1991 Cadillac Deville decrease in gas milage

MOODOE79

MEMBER
1991 CADILLAC DEVILLE
V8
FWD
AUTOMATIC
167,000 MILES

My gas milage has been cut in half and I have developted a miss when ever I get on the throttle.I have tryed stp fuel injector cleaner and fuel treatmant. Nothing has worked please help me figure out.

Thursday, February 14th, 2008 AT 7:45 AM

1 Reply

BUZZSAW

MECHANIC
1,198 POSTS

Its time to replace thoes injectors

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1991 Cadillac Deville decrease in gas milage

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