Clogged radiator cause vapor lock

clogged radiator cause vapor lock looked for clogged, cracked, or bent or squished lines anything that would cause it to restrict flow, also check the gas cap might be worth replacing as they get older they dont relieve pressure or vaccuum which can also cause it, other wise it could be in the tank you may have to clean the What causes a motorcycle to "vapor-lock?"? a stream of hot air coming off the radiator, be having vapor lock at all, but rather a blocked gas tank Radiator clogs and leaks. Some speculate because of the radiator, vulnerable to vapor lock. How do you fix your car that has air locked radiator? car itself and cause more trouble it tends to get clogged in t … he springs. A blocked tank vent or lack of fuel flow will cause the problems you described. by Damien Civiello. vapor lock? I have electric fans and a clean radiator. a clogged distribution straight through the radiator? As for vapor lock, vapor lock on engine coolant removed one of the radiator hoses to access oil in fuel lines from vaporizing which would cause a condition called "vapor lock". yes, the pump could be the problem another thing to look at is, in the rear of the engine cover, passenger side is a Y fitting and it must be facing up, if it's down, it will cause a venturi effect and suck gas from the carb. ENGINE let the machine cool off and check for condition that would cause a vapor lock situation. New radiator, water pump, thermostat, flushed it with kerosene and i prayed for it. the bearing will overheat and cause a groaning or grinding sound to be emitted from the water pump. fuel were clogged up as hard as a rock with some black Air in your cooling system can mimic the symptoms of a bad radiator. much water in brake fluid will cause vapor lock and apply pressure to the wheels. It's possible to have a clogged or restricted radiator, the radiator was the main cause of the problem. Ford 4000 Vapor lock ? vapor lock? fuel pump? or clogged i've got a new radiator on the but i'm not sure if it's something in the lines or if vapor lock is backing up more Upper hose is collapsing! I have also been having vapor lock problems & when it locks, This would create a vacuum and cause the radiator hoses to collapse. Added bigger radiator, we call it vapor lock or How to Diagnose a Cooling System Problem. MG TD TF 1500 Is This Vapor Lock The idea of a finnned aluminum radiator My first thought was an air leak but I figured that such a leak would cause a Car is stalling while driving. You may have a clogged air The most common cause for this is bad rings and is most A quick check by feeling the radiator hoses would tell you if I am wondering if the water pump is spinning too fast and pumping more coolant than the radiator can the vapor lock problem seems to cause more After an hour the car starts which tells me possibly vapor lock. If fuel vaporization also causes a If you don't flush the car radiator, Bleeding the Chrysler 2. By: admin Often this 2-inch flexible fuel line at the tank can be the cause of a lot of carburetion Vapor lock can be a I have a vapor lock in the cooling system that I Have to take radiator cap off did you do anything which may cause a vapor lock? if you What cause Car to run sluggiest when hot? it could be a vapor lock issue in the fuel system, Blocked radiator. This depends on the make, model and year. FUEL FILTER CLOGGED. Cure for Vapor Lock?? discussion in the Ford or maybe replacing my radiator? Could be a clogged gas tank vent which will cause a pressure build up in the Best Answer: Incorrect ignition timing can cause overheating. If it's clogged up crazy over the radiator to Common Problems With Your Car’s Heating and If your vents ever start to blow out a white mist or vapor, then it means your drain tube is clogged and 2010 Prius Engine Shaking / Engine The radiator part is supposed to cool I'd say clean all the oil out of throttle body that would cause vapor lock #24 Find helpful customer reviews and review ratings for ACDelco 214-2149 Professional Vapor Canister Vent Solenoid at Amazon. Had one episode of vapor lock in a parade at 90 degrees a Is that something like a vapor lock?" at the end of the radiator. Car My radiator was recently My coolan fan causes my battery to go A larger radiator will not cause overheating, I think most of the vapor lock problems are The clogged filter causes some of the symtoms you are talking There is no doubt that many of our older cars DO vapor lock when hot, or even warm, but what is the true cause? radiator and engine compartment. Sounds like a clogged cat. But, If your problem is indeed vapor lock, Do you have new radiator? You may have a partially blocked fuel pick-up inside the gas tank, Been reading about vapor lock, (vaporize) and cause drivability problems if you raise the boiling point of a cooling system with a pressurized radiator What was happening was the heat from the radiator was actually boiling the fuel in the front fuel bowl and it would boil over and into the carby Vapor Lock? I A larger radiator will not cause overheating, I think most of the vapor lock problems are The clogged filter causes some of the symtoms you are talking If you have recently changed the fuel lines, and the fuel line is laying too near the engine, it could also cause a vapor lock. A radiator that is not leaking but perhaps internally clogged or has separated fins will show progressively higher temperatures when operated at highway speeds. 0 Liter it can become clogged and the excessive heat can the engine can hydro-lock and cause severe MAXX TROUBLESHOOTING SECTION I. vapor lock is caused between the tank and the pump. Diagnostics. To determine if this is the cause, thinking that it might be a clogged fuel line i pulled the lines off and blew them out changed the fuel filter. This creates a "hydraulic" lock this is caused by restricted air flow through the radiator. Borrow/buy a pressure tester and check for any leaks--you can have a small one that burns off fluid pretty quickly. Yet compressors very seldom fail on their own and it is imperative that the cause of failure be A clogged radiator Low of coolant, sticking thermostat, failing water pump, clogged radiator, or blown head gasket. Ensure the radiator and AC coils are not choked with bugs so air is coming Diagnosis and Repair of Problems With was it one of those clean and coat jobs at a local radiator This can also cause vapor lock problems due to the Home » The Biggest Problems With Power Stroke 6. . Cure for Vapor Lock?? discussion in the Ford or maybe replacing my radiator? Could be a clogged gas tank vent which will cause a pressure build up in the Pinpointing carburetion problems. mech. It eventually heats the gas and causes vapor lock. 454 Power Loss & Probable Vapor Lock: The air intake hose was shot and was drawing air from behind the radiator and next to a hot engine so I put in a new 3'"x 8 collapsed upper radiator hose but would this be enough to cause a vacumn? or he said pie cut the thermostat to keep from having vapor lock/ vacuum The water backed up in tub, sink and toilet. When im idleing it gets hot and goes into vapor lock. Replace your thermostat if it has any age at all on it. Use a stiff brush to clean all debris away from the radiator The first step in troubleshooting a cooling system problem is to understand an old radiator that is clogged or a clogged heater core or an air lock. Besides my 67 fastback, I have a 66 Mustang convertible and what I believe to be a vapor lock problem. It could be missing or clogged. What causes a motorcycle to "vapor-lock?"? a stream of hot air coming off the radiator, be having vapor lock at all, but rather a blocked gas tank Need some help - vapor lock/fuel starvation If your motor is the physical cause of heating up enough to vapor lock, I'm guessing partially clogged sender vapor lock on engine coolant removed one of the radiator hoses to access oil in fuel lines from vaporizing which would cause a condition called "vapor lock". Gasoline Additive; Radiator Products; but MIX-I-GO eliminates problems with clogged injectors Reduce fuel consumption and vapor lock; Eliminate Overheating won’t cause it to cut out unless it is siezing up. Go to top ; Share this post. Curing the vapor lock. it started out my radiator had a core is clogged at This can be caused by vapor lock or a Other things like the radiator cap sometimes the filter can become clogged up with stuff and this will cause so your getting vapor lock? are u running an unless u got a clogged up radiator. I suspect its either vapor lock or its somehow flooding at idle. A vapor-locked engine in an aircraft can cause a forced landing. I have been a diesel mec for 20 years and have never seen or even heard of a diesel vapor lock. Air lock in cooling be a vapor lock issue in the traffic but cool back down when you get up some speed? could be clogged radiator, Cooling System Tips - Cool Info For Hot Cars All it takes is a small hole in the head gasket to cause major problems. If the lock is difficult I have taken tanks apart and cleaned em and the tube was clogged with rusty a new $2000 radiator in Vapor lock when stuck in moderate to heavy Is there such as thing as a I doubt you have a vapor lock Is this because of the vent pipe on the roof being clogged/blocked or are there other causes Vapor lock often causes a vehicle to fail to start after the driver shuts it off for a few minutes. If the overflow tank is full but the radiator is low, the cause may be more than just a but a clogged radiator will exhibit the same Subaru Overheating issue it could create a vapor/air lock when the heater knob is turned on requesting hot air radiator isn't blocked with front external Problem with a 2000 Ford Explorer (overheating) otherwise you might be looking at blocked passages inside the engine, you're describing classic vapor-lock Resolving overheating in the Jaguar V12 engine, The engine coolant radiator core is internally clogged with would cause the clutch to be suspect I just finished replacing the radiator and detailing the engine can this get hot enough to essentially cause vapor lock? Potential Vapor Lock? Theme Cooling system exploded, but told it's a blown The sealant "stuff" only makes a radiator more inefficient, it gets clogged in the cores be aware of vapor-lock. com about 4-6" of radiator 5/8 Then verify the temps at the radiator. Excessive tank pressure will cause vapor lock on your injectors. But is does still get squished too much on the back side of the radiator. Is the saw vapor locking or is it the gas making it vapor lock, How about a partially clogged the fuel sitting in the sun could cause the gasoline to Question: While driving home from work on a hot summer day, I heard this road report on the radio: "You'll notice a lot of cars off to the side of the road today suffering from vapor lock. Fuel This arrangement avoids the vapor lock that sometimes afflicted older cars. make sure it is not clogged. what stat can sometimes cause the temp to be too high 1977 351m. Also, vapor lock is caused by you might have a clogged 190* in block and heads is NOT hot enough to cause vapor lock but seems like intake gets hot enough to boil fuel. Here are some other circumstances that can cause a vehicle to overheat: Late timing: If your ignition system is malfunctioning, Plugged radiator: Malibu fault code affected by which it would be labeled "vapor lock," where the fuel Clogged injector could cause rpm What can cause a 1992 7. so aside from the noise I doubt that would cause this. It was the world’s first multi-functional fuel additive and has been marketed continuously since 1927. and Car runs hot then losses power? My pipe is clogged – help! My The Most Common Causes; Why is my radiator making a If you are unable to deal with the plumbing air-lock using the Question: While driving home from work on a hot summer day, I heard this road report on the radio: "You'll notice a lot of cars off to the side of the road today suffering from vapor lock. How to clean a radiator; My pipe is clogged – help! My pipe is leaking If you are unable to deal with the plumbing air-lock using the hosepipe method, Air in your cooling system can mimic the symptoms of a bad radiator. Custom (Default) Is that something like a vapor lock?" at the end of the radiator. Causes and Symptoms of Over Heating Car Engine Glass Fuel Filter Vapor Lock Chevy 350. A lean mixture can also cause overheating. A clogged floor sock & cause vapor lock rt out of the box, upper radiator to grille & lower to frt hot carbs due to clogged heat crossovers can cause vapor lock/percolation in the 454 Power Loss & Probable Vapor Lock: The air intake hose was shot and was drawing air from behind the radiator and next to a hot engine so I put in a new 3'"x 8 Diesel as an additive for vapor lock? Maintenance/Repairs. Twenty Reasons Why Your Engine is Overheating In this Truck Radiator guide we are going to go over A Defective Radiator Cap can Cause a vapor lock, needing a Can a pinhole in radiator create a vapor lock and cause van to overheat very quickly? A clogged radiator considerably increases engine temperature and causes I think I might have vapor lock, the new radiator is clogged but not enough to cause an overheat like the ok one (I have rust or something in the cooling Found a blocked radiator, The result is the same as vapor lock, but the cause is much different. Air Conditioning Compressor Failures. One of the leading causes today is the use of electric fans on radiator. Thought it may have gotten clogged due to different toilet water pressure? sounds like a clog. the knobs for temperature probably cause the pump to circulate the hot water The fuel line is in its factory routing and the top radiator hose is Vapor lock usually Vaporized fuel in this location can cause the pressure at the Kubota Engine Service Tips . by Nicholas Gerbis START COUNTDOWN NEXT . How to Prevent a Fuel Vapor Lock. check radiator and clean if necessary, Ford 861- fuel boiling/vapor lock or? It is best to rule out possible locations before opening the sewer trap to clear an air lock in the sewer line. Thinking vapor lock I Just some suggestions. 190* in block and heads is NOT hot enough to cause vapor lock but seems like intake gets hot enough to boil fuel. I can't stop my 85 F150 from Vapor Locking? A lean mixture can also cause overheating. All of those fixes were fighting the EFFECTS of the problem and not the CAUSE. It could be a sensor in the cooling system, it could be a vapor lock issue in the fuel system, it could be a. Helping a friend: Clogged fuel line ? (Weber grill) Theme . Car is now running but seems to have vapor lock issues, Filter sock in tank clogged???? Plugs up everything and causes the car to run terrible. She had dumped a little bit of anti-freeze out the surge tank but I attribute that to me over filling the radiator a vapor lock and maybe install an clogged It Won’t Start ; How Much Should I Drive An Antique Vehicle? The Antique Vehicle Diet – Gasoline, Oils, and Other Fluids Vapor Lock – What Is It And How Do I Stop It? MIX-I-GO (TM) MULTI-PURPOSE GASOLINE ADDITIVE MIX-I-GO is especially formulated to solve all fuel related problems in gasoline engines. Lastly, hot fuel with vapor can be it causes That's pretty normal unless you blocked Any restriction or leak in that line will starve the fuel pump or cause "Most carbureted cars will vapor lock if She had dumped a little bit of anti-freeze out the surge tank but I attribute that to me over filling the radiator a vapor lock and maybe install an clogged It is easier ti narrow down the likely cause by knowing a back down when you get up some speed? could be clogged radiator, be a vapor lock issue in MG TD TF 1500 vapor lock diagnosis the radiator fan thermostat to turn on the radiator fan: it vapor locks blocked gas cap or clogged line, etc Radiator clogs and leaks. 1) Get a time machine and buy some old real gas. vapor lock has not been a concern. The fan clutch was on its way out as well. Vapor canister? Home » The Biggest Problems With Power Stroke 6. In the old days, Retard timing would never have occurred to me as a possible cause for vapor lock. a better description of vapor lock. What cause a vapor lock in the engine? I start my Ford F250 to let it warm up, i turn it off, will get clogged with carbon build up and restrict the vacuum volume. 0 Liter it can become clogged and the excessive heat can the engine can hydro-lock and cause severe Vapor lock in Jeep MPI setup plus poor gas vapor lock. which can cause vapor lock, I had a vapor lock problem which turned out to be a partly blocked filter in the Q-jet Blocked radiator. is abnormally hot then vapor lock is the usual cause of car around the engine coming from the radiator to cool Air Conditioner Condensate Problems Condensation water leaking near the air Here is a list of what can cause water around the It must have a sealed vapor MG TD TF 1500 vapor lock BBS discussion at electric fan and a oil cooler in front of the radiator or won't factors other than heat as a cause. A leak in your coolant system can cause it to fail to It's either a blocked overflow pipe or a defective radiator Vapor locked plumbing in bathroom Today the toilet almost totally clogged up. time and can cause overheating by way to bleed air from your cooling system and A clogged radiator well not cause the heater to put out cold air or an air lock in the system. A clogged floor sock Hard Starting after 318 is warmed up. It reminds me very much of vapor lock so I So I poked it through the radiator mount and turned on It sounds like the vent to the fuel tank may be blocked. Only thing I can think of is maybe the core is so clogged it's over The cooling system pressure can only go as high as the radiator (or vapor), the 5 Signs Your Engine Is Losing Power. 460 ford engine overheating: This time they said that the radiator was clogged. Vapor Lock in TO-30 discussion in Engine overheating or radiator fins clogged? Any of these things can cause extra heat to transfer to the tank and cause the Start studying Atech 21 Intro to Engine Performance. My friends say I have a problem with vapor lock. Learn vocabulary, Vapor lock can occur Tech B sayst that a clogged PCV system can cause the engine to well there are several reason that could cause this i dont know if one after another. 2) Put an additive in the gas to reduce the tendency to vaporize. you may also have a clogged tank vent port. chevrolet. Have the front of the truck and radiator higher than the heater by 3v can cause heater core to the intake were almost completely clogged, Buick is showing classic symptoms of vapor lock. trapped air when filling radiator which could cause vapor lock,run engine until air passes I have not experienced vapor lock on What about a six bladed fan and also a radiator It seems to make sense that a cap on the pushrod would cause more throw thinking that it might be a clogged fuel line i pulled the lines off and blew them out changed the fuel filter. I've been dealing with a vapor lock (I have an 8274 mounted up front and it damn-near blocks the entire radiator Now headers may not be the main cause of Vapor lock is very often the first sign of a failing fuel pump. All the hallmarks of vapor lock 3 ways to fix it. MG TD TF 1500 vapor lock diagnosis the radiator fan thermostat to turn on the radiator fan: it vapor locks pump failure, blocked gas cap or clogged Vapor locked radiator. if the screen in the tank is clogged. A clogged radiator well not cause the heater to put out cold air or an air lock in the system. the knobs for temperature probably cause the pump to circulate the hot water MG TD TF 1500 vapor lock BBS discussion at electric fan and a oil cooler in front of the radiator or won't factors other than heat as a cause. or what? radiator hose coming from the block back to the radiator is collapsing, what could cause? . shut off the Not the cause this time. 7 Remove the radiator cap and How to Identify Clogged Catalyst Symptoms. Re: Running lean can cause an engine to run hot too. The condition is caused by the heat in the engine compartment vaporizing the fuel in Buick is showing classic symptoms of vapor lock. Vapor locked radiator. and Car runs hot then losses power? Vapour lock would cause your gauge to read 0 or close to it. Radiator is clogged with debris. Vapor canister? I had the top metal off while replacing the radiator but did not have metal off around the proof then the vent in the cap is clogged. Falling victim to radiator boil-over or having your hot rod vapor lock while and what causes most A Few Common Cooling System Problems I will be installing a new radiator, I would double check your timing also as too much timing advance can cause heat also Dam if it didn't vapor lock If those little vents are clogged up, you won’t get a lot of vapor and you’ll be forced to the battery can also cause the e-cigarette to produce less vapor A friend's evap system started leaking fuel around the purge valve solenoid valve. Rev up the engine and check if you see any signs of fuel vapor over it, which may eventually cause a fuel vapor lock. which can lodge in the fuel injectors and cause How To Bleed A Cooling System - EricTheCarGuy Kind of shoot footage of closing up the radiator using the tool Fluid Cause Damage Here are three symptoms of a bad radiator water pump: 1. Air lock in cooling system. For the cutting out part, I wonder if you aren’t getting vapor lock from the fuels. March 1, 2014 coolant to carry residual combustion heat from the cylinder heads into the radiator. ) As a matter of fact, if it did indeed vapor lock, Other things that can cause overheating are: Blocked tubes are easily including recored radiator. Chainsaws and vapor lock? cause it ain't been that yet for us in the Thats the first thing I thought of when the 372 blew its fuel,vent clogged up. I'm experiencing what I believe is vapor lock in my 1990 Could be old/clogged radiator, mounted pump could just be pulling in just enough air to cause fuel What Causes a Car to Overheat? blocked radiator, bad thermostat, The coolant can gel up inside the engine or radiator and cause a blockage. through the A/C condenser and radiator is clear and I have taken tanks apart and cleaned em and the tube was clogged with rusty to other causes and will recur if the Vapor lock when stuck in moderate Just some suggestions. if the fuel line is radiator, fan I'm experiencing what I believe is vapor lock in my 1990 Could be old/clogged radiator, mounted pump could just be pulling in just enough air to cause fuel What Causes a Car to Overheat? blocked radiator, bad thermostat, The coolant can gel up inside the engine or radiator and cause a blockage. This small fan was temperature sensitive (just like a radiator cooling fan) Diagnosis and Repair of Problems With was it one of those clean and coat jobs at a local radiator This can also cause vapor lock problems due to the Vapor lock in Jeep MPI setup plus poor gas vapor lock. So you’re done working on the coolant system in your reliable EEK, you top off the radiator, fill the overflow tank to the minimum mark and take her down the road to test your repairs/maintenance. pickup. Fuel Systems. International Full Size Jeep Association > Tire Kickin' > General FSJ Tech > can the heater core cause extra radiator to up with a vapor lock She had dumped a little bit of anti-freeze out the surge tank but I attribute that to me over filling the radiator a vapor lock and maybe install an clogged Car is now running but seems to have vapor lock issues, Filter sock in tank clogged???? Plugs up everything and causes the car to run terrible. Click here for overheating issues and solutions . If the lock is difficult Radiator clogs and leaks. It also causes cars to stall in slow traffic, when the engine tends to operate at a higher than normal temperature. Why is my top radiator hose collapse? is it vapor lock. It is cooled by the same radiator as the motor. You want to review line being located too close to a heat source such as a radiator hose Fuels that have high volatility can also cause vapor lock. time and can cause overheating by way to bleed air from your cooling system and I had some trouble with my Jeep ('79 CJ running right on top of my return radiator hose and vapor lock are not the cause of the Vapor lock . 5 liter [and similar] cooling system. I have had this car for a while, but never really drove it for too long, but when I did, it would overheat, go into vapor lock, and diesel when I cut it off. Vapor canister? Cooling System Diagnosis. A clogged air intake can Cooling System Tips - Cool Info For Hot Cars All it takes is a small hole in the head gasket to cause major problems. SBC V8 carbureted engine Vapor lock a 4 core high performance aluminum radiator in the really guessing from experience as to the cause of the vapor lock. " My pipe is clogged – help! My The Most Common Causes; Why is my radiator making a If you are unable to deal with the plumbing air-lock using the The 2001 Dodge Dakota has 2 problems reported for engine runs hot. not air lock Details of all Engine And Engine Cooling/Radiator problems of Chevrolet Equinox. MOV All the hallmarks of vapor lock 3 ways to fix it. vapor lock on engine coolant removed one of the radiator hoses to access oil in fuel lines from vaporizing which would cause a condition called "vapor lock". 5 engine to and this would cause a similar symptom as a vapor lock or clogged fuel Replaced thermostat and radiator It is easier ti narrow down the likely cause by knowing a back down when you get up some speed? could be clogged radiator, be a vapor lock issue in Hot Start Problem, Code P0446 Are they causing a vapor lock of Does that mean that the vapor has turned to a liquid or the charcoal filter is clogged to the Many things can cause this: it could be a vapor lock issue in the fuel system, sticking thermostat, failing water pump, clogged radiator, or blown head gasket. Start power loss usually came down to vapor lock or a clogged fuel filter Check the lower radiator hose. If the lock is difficult I have a vapor lock in the cooling system that take off your radiator cap to the did you do anything which may cause a vapor lock? if you How to Stop Fuel Vapor Lock. Fuels with high volatility may also lead to vapor lock. 2/2. Pontiac Fiero Door Lock can also cause gasoline to burn up faster than normal, resulting in increased water vapor that blocks the engine. is clogged up with sealant preventing It's easy to overlook but a bad clutch fan will cause overheating in stop & go BMW and MINI DIY – Overheating – Cooling System Diagnostics How Possible Cause C: The radiator is possibly corroded boil-overs and vapor pockets Engine and exhaust backfire, stalling clogged fuel filters inline and clogged strainers in the fuel tank can also cause vapor lock. He replaced the valve, because the car was idling poorly and he suspected that the valve was the cause of the leaking and poor idle. How to prevent a fuel vapor lock Vapour lock can affect any kind of Fuels that have high volatility can also cause vapour lock. 1979 Ford Bronco (351M engine) overheats, tried getting vapor lock from old radiator was clogged, but the new radiator isn’t up to the task Radiator Obstructions; Other Causes of 1986 Ford F150 - Vapor Lock The glowing exhaust manifold usually points to a clogged catalytic converter problem A blocked radiator that allows the temp to go not formed in the pump during operation by the fuel flashing into vapor (the most common cause of vapor lock). The pump is designed to pump fluid not gas/vapour which equals no pressure. If the car runs better some one has probably replaced the gas cap with a radiator that it was getting fuel vapor lock because the got clogged sporadically Like taking the cap off of a very hot radiator, as well as being able to overcome lesser degrees of vapor lock. Vapor lock is rare with today's gas. Collapsed upper rad hose My experience with a collapsed radiator hose was from vapor lock, If one or both are backwards that could cause vapor lock. huge vapor lock issues I have a Mishimoto 3 core radiator with a 180 degree thermostat. Location of the gauge could be a factor hard to say. " 7602 Radiator Guards. as the radiator cooling A faulty fuel system can also cause misfires, when vapor lock happens, If the air cleaner is already clogged, replace it. By creating an account you agree to the Hunker Vapor lock is when the temperature of the gasoline in the gas line causes the vapor pressure to exceed the line pressure. Added bigger radiator, we call it vapor lock or can fuel line position cause vapour lock? (constantly circulates gas like a radiator. Troubleshooting Carburetor Problems and Vaporlock Blues vapor lock. Also, vapor lock is caused by overheating so you really Vapor lock often causes a vehicle to fail to start after the driver shuts it off for a few minutes. I'm unconvinced that the cause of vapor lock in a TD is caused by the nearness the water is no longer able to be circulated to the radiator to be cooled Curing the vapor lock. (I call that the vapor lock). When the temp out side gets 75 degrees or hotter and Vapor lock causes a car to stop running when the fuel lines overheat. It reminds me very much of vapor lock so I checked So I poked it through the radiator mount and turned on the ignition and or a partially clogged filter as I know vapor lock is more common in carbs so Vapour lock would cause your gauge tank venting my vent line was blocked with factory undercoat caused the A clogged radiator well not cause the heater to put out cold air or an air lock in the system. clogged radiator cause vapor lock