Fuel smell in oil ?

bkosonen

Registered User
Why would my oil smell like fuel? I changed the oil and it had a strong smell of fuel, I think this has tO do with the miss at WOT I'm getting. Could it be a cracked injector or stuck one? Anyone have this problem?
 
COULD BE INCORRECT AIR AND FUEL RATIO (TOO RICH), FAILED FUEL PRESSURE REGUALTOR, INJECTOR PROBLEM OR BAD RINGS WILL CAUSE THIS.

I WOULD FIRST SUGGEST MORE FREQUENT OIL CHANGES TILL PROBLEM IS LOCATED.

PULL VACUUM LINE OFF fpr AND CHECK FOR STRONG FUEL ODOR THERE. IF REGULATOR RUPTURES IT WILL SEND FUEL INTO LINE INTO INTAKE AND CAUSE THE AIR FUEL RATIO TO BE WAY OFF. AND COULD WASH THE CYLINDERS DOWN.

TO CHECK THE INJECTORS AT REST RUN MOTOR, THEN SHUT OFF AND PINCH OFF OR BLOCK RETURN LINE TO TANK. PUT FUEL GUAGE ON SCHRADER VALVE AND OBSERVE FOR 30 MIN. THERE SHOULD BE LITTLE OR NO BLEED DOWN IN THAT TIME. YOU MIGHT HAVE TO REPEAT THIS TEST AS HOOKING GUAGE TO LINE MAY LOWER PRESSURE. IF THERE IS BLEED DOWN THEN PINCH OFF SUPPLY LINE (OR BLOCK IT) YOU CAN ISOLATE THE BLEED DOWN TO VARIOUS PARTS OF THE FUEL SYSTEM.

IF INJECTORS ARE HANGING OPEN WHEN RUNNING THATS A MORE COMPLEX TEST.
 
if your check engine light comes on - I would assume so. My car had a bad FPR and it is badass for a bit. When the check engine light comes on and stays steady, I am assuming it is going into a "limp" mode, as I notice a change in temp. air/fuel ratio (just listen to the exhaust), and acceleration. It turns a really cool car into one not so cool in like 10 min or so. Replace the FPR no matter what. EVERYONE REPLACE THE FPR'S!!! lol
 
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