Question about 1989 Oldsmobile Cutlass Cruiser

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Is it vapor locking or not? All else shows okay.

Is it vapor locking or not? All else shows okay.

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It acts like vapor lock...... its in the fuel recovery system.... its either the purge valve which is on the engine and easy to change (3 bolts and 3 hoses) or its the cannister which is in the gastank and a chore to replace..... i recommend replacing both. its not that expensive. parts are readily available

Posted on Dec 11, 2011

  • Roger Schmitt Dec 11, 2011

    altho vapor lock should not take more than a few hours to clear up in most cases

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Vapor lock just doesn't happen on newer cars that are fuel injected like yours, it was carburetor equipped cars that vapor locked

Posted on Jun 25, 2009

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1 Answer

Having trouble with vapor locking


Vapor lock can be caused by many different things, all coming down to the same root cause: too much heat in the fuel feed lines.

Low fuel pressure can cause the amount of heat needed to vapor lock to be lower than normal, so checking fuel pressure is important. Fuel pump going out feels a lot like vapor lock.

Engine overheat can also cause vapor lock. Clogged fuel filter can cause vapor lock. The fuel line should be routed away from the exhaust system.

Feb 29, 2016 | Cars & Trucks

1 Answer

What makes it vapor lock


If it is a gas engine, its almost impossible to get vapor lock.
Vapor lock is when liquid gasoline turns to a vapor which will not flow thru a carburetor. The usual cause was hot fuel lines going to the carb.
Since the early 1980s engines have used fuel injection which uses liquid fuel under pressure.

Mar 30, 2015 | Dodge Ram 1500 Cars & Trucks

1 Answer

Where do find the vapor lock on my 1999 Buick century


Vapor lock occurs when the gas in a fuel line turns from liquid to vapor, before it reaches the engine. The first signs of vapor lock are normally when your engine begins to run roughly. The engine may sputter and hesitate. It will then stall completely and refuse to restart. It may seem like the car is out of gas or the fuel pump has failed. While these are possibilities, vapor lock may be the problem.

Jan 30, 2015 | Buick Cars & Trucks

1 Answer

What causes 1995 isuzu vapor lock problems?


Fuel injected engines cannot get vapor lock. First you need to explain how you came to the conclusion if vapor lock. But this is an old post and probably will stay dead.

May 20, 2014 | 1995 Isuzu Pickup

1 Answer

Can vapor lock in the cooling system cause the engine to not spark and through off the camshaft sensor on a scanner in a 2001 dodge dakota sport 4.7 L v8 magnum manual transmission


No.
To begin with, there is no such thing as vapor lock in the cooling system. Vapor lock is when liquid gasoline vaporizes due to excessive heat. If the engine got hot enough to turn coolant into vapor the engine would seize up.
Do you have trouble code numbers ?

Jul 29, 2013 | Cars & Trucks

1 Answer

When i go on a road trip and the temp outside is 100% or more my car will vapor lock i have took it to 3 different dealers and they say nothing is wrong with it the car has 89,000 miles on it and still...


If you are serious about 'vapor lock', then this symptom will/would show up during a fuel pressure test/check. Did they check this? The fuel pressure on the 2003 Elantra is 350 kpa (3.5 kg/cm, 49.8 psi). At this pressure, there would be NO vapor lock. Now, if the fuel pump is 'INTERMITTENTLY' dropping in fuel pressure, it will 'fuel-starve' the engine & the engine management fuel ADAPTIVES will show a shift in the fuel trims (lean condition) by adjusting the fuel trim adaptives to + (more fuel) by keeping the injectors open longer. However, this may not be the problem. There are numerous systems which could be the cause, OR two or more systems contributing to the problem. The best advice is to have this condition properly diagnosed. Since you've taken it to 3 different dealers already, perhaps you should find a 4th.

Jun 28, 2011 | Hyundai Motor 2003 Elantra

1 Answer

Acts like vapor lock


when they went to fuel injection the fuel that was not used returned to the tank thus cooling the fuel and ending vapor lock, my question is did you do a fuel pressure test? and di you do a fuel leak down test? and the first thing I would do is change the fuel filter. with ethanol in the gas it kills the filter. I have to replace mine every three months they just plug up from that junk. Other than that the only other thing would be a coil breaking down when it gets hot the coil shorts out when cool it starts so check those things first. be sure fuel pressure is 50 to 60 PSI and does not drop below 30 PSI for at least a minute, if it does the fuel pump check valve is bad, also the fuel sock could be bad as well.

Jun 25, 2009 | 1989 Oldsmobile Cutlass Cruiser

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