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Check for a gasket or O-ring on the cap ( it should have one ), also check crankcase ventilation.
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What causes a warning light to come on saying check gas cap on a 2005 Cadillac?
The EVAP system detects a leak. Many times a loose or faulty gas cap causes that.
If you put a new fuel cap on it may fix the emission control system leak?
Every once in a while it will fix your evap leak if you replace the fuel cap, but usually the leak is somewhere else. A good repair facillity will have a smoke machine that can be used to fill the system with smoke and locate the leak by seeing where the smoke comes out.
What causes a fuel cap code to come up on a 2011 dodge grand caravan?
A vapor leak in the fuel system.A vapor leak in the fuel system.
How do you fix code P0455 for chrysler town and country 2000 evap code?
P0455 - large evaporative emissions leak.Look for any large vapor leak from the fuel system.Normal causes are loose gas cap, cracked or broken vacuum hosesP0455 - large evaporative emissions leak.Look for any large vapor leak from the fuel system.Normal causes are loose gas cap, cracked or broken vacuum hoses
Why does removing oil cap stall engine?
Removing the oil cap with the engine running causes a vacuum leak in the positive crankcase ventilation. This causes too much air to enter the cylinders at once, which results in a stalling engine.
What causes an EVAP large leak on a 2002 Chrysler Sebring lxi 6cy?
Common causes are a loose gas cap or a cracked hose between the fuel tank and engine.Common causes are a loose gas cap or a cracked hose between the fuel tank and engine.
How can you stop a power steering fluid leak from around the pump cap of a ford escort wagon lx?
Sounds like you are overfilling the pump.Answerfluid should not be coming from around the cap,it must be too full of fuild.pull out the dip stick and look at the markings on it.and fill it only to the top of the highest mark. that's about 2 and a half inches below the cap.if that don"t stop it then get a new cap.
Why does engine turns off when oil cap is removed?
The engine turns off when the oil cap is removed because the engine is designed to do so. When the oil cap is removed a vacuum leak is created which causes the engine to turn off.
What causes a 2002 Hyundai Elantra Evaporative emission Control system leak detected gross leak?
The first thing to check is the gas cap to see if it is on tight and the gasket is in good condition. After that, it gets tricky.
How can you tell if you have a cracked head gasket on a 1992 ford exployer?
Loss of coolant with no apparent leak, engine overheating, white smoke from the exhaust pipe, overfull oil level, a white foamy substance on the underside of the oil fill cap, and air bubbles escaping from the radiator fill cap with engine running.
Where should you start to repair trouble code p0455 and p0442 evaporative emission system leak detected p0455 is gross leak no flow and p0442 is small leak?
Two common causes are loose gas cap and cracked hoses between the tank and engine.
Why is the check fuel cap light on on a 2002 explorer?
because either the cag cap is left loose, the seal around the cap is bad, or there is a severe vapor leak in the fuel tank or filler neck area.
