QuestionQUESTION: hi i have a 90 deville and 4 about 2wks ive been smelling gas and seeing some white smoke from tail pipe .plz help me.ive took it 2 about 3 mech and they say they see no leak.
ANSWER: What your more likely smelling is anti-freeze being burned thru the engine and out the exhaust which is caused by faulty head gaskets that need to be replaced.
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QUESTION: so what is that .do i need 2 replace the head. and will that
cause it 2 eat up my gas
ANSWER: NO you do NOT replace the head, You replace the HEAD GASKETS.
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QUESTION: 1 let me say thank u 4 ur help .what can be eating up my gas all of suddenly ? and codes e31 is coming up which is shorted map sensor circuit what do i do? and e49, e74, e97
I know what they are but what do i Do
AnswerReplace the mAP sensor, Clear (erase) ALL the codes from the computer via the climate control panel and see if any codes come back when you restart the engine.
NOTE: Disconnecting the battery will NOT clear (erase) the codes. You MUST use the climate control panel.
