Pontiac Firebird Engine Poor Mileage

Browse Pontiac Firebird Engine Poor Mileage questions and answers. Choose a question that matches your symptoms.

4 discussions

Only Getting 5 MPG, Excessive Fuel Consumption

1999 PONTIAC FIREBIRD

Car Listed Above 3800, Just Replaced Heads On Motor And Car Seems To Be Running A Little Rough. Blamed It On 4-month-old Bad Gas, Filled The...

19 ANSWERS

1 IMAGE

Asked by Totalmc

1993 PONTIAC FIREBIRD

Engine Performance Problem 1993 Pontiac Firebird 3.4l 6 Cyl Two Wheel Drive Manual I Have Bad Gas Milage (12mpg) And A Rough Idle. My...

4 ANSWERS

Asked by patMX31995

1990 PONTIAC FIREBIRD

On My 90 Firbird 3.1 V6 It Idles Rough After Warm Up But Drives In The Higher Rpms Fine Has A Little Surging While Driving.but Bad Gas...

10 ANSWERS

1 IMAGE

Asked by flamenbird87

1989 PONTIAC FIREBIRD

I Was Wondering What Parts I Would Repair/replace/modify That Would Give My Car Better Gas Milleage :evil:

1 ANSWER

Asked by Ramseydick

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