Oil change question??
#1
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Oil change question??
I was changing my oil last night and before I put the filler cap back on for some reason I smelled it. Well, I smelled a hint of gas and so I asked my wife to see if she smelled gas on it and she said yes. So my question is what does it mean when you smell gas on your oil filler cap??
#2
PT's Slowest Truck
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Some hydrocarbons will make their way into the oil no matter what, that's normal. If it smells like raw fuel, I'd check for a possible rich condition...check the spark plugs and see if they're black. Other possibilities are a leaking fuel pressure regulator or an injector leaking down. Either of those problems should cause a rough start condition though.
#4
PT's Slowest Truck
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Originally Posted by 1SlowHoe
How do you test for a leaking injector?
You could always check the cylinders with a boroscope after the vehicle has been sitting for a while...if a certain cylinder may have a suspected leaky injector, turn the motor over by hand until that intake valve opens, then stick the boroscope in the spark plug hole and check for the presence of fuel.
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