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Poor Mileage
PONTIAC GRAND PRIX ENGINE POOR MILEAGE
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Found 10 results
1999 Pontiac Grand Prix Very Poor Gas Milage
I Have A 1999 Grand Prix 3.8 That Is Not Supercharged. Im Getting 13 Mpg With It And I Know It Should Be Much Higher Than That. The Car Runs...
Asked by
ford719
·
5 ANSWERS
1999
PONTIAC GRAND PRIX
1997 Pontiac Grand Prix Loss Of Fuel Economy
I Have Experienced A Significant Loss Of Fuel Economy. Egr Valve Is Good, Mass Air Flow Is Good, No Fuel Leaks, Fuel Pressure Regulator...
Asked by
Brandi1975
·
4 ANSWERS
1997
PONTIAC GRAND PRIX
2001 Pontiac Grand Prix GT Very Poor Fuel Economy
2001 Pontiac Grand Prix 6 Cyl Front Wheel Drive Automatic 114 Km Miles My Grand Prix Sat For Two And A Half Years. I Changed All Plugs...
Asked by
turtle123
·
2 ANSWERS
2001
PONTIAC GRAND PRIX
2005 Pontiac Grand Prix POOR MILEAGE
After Changing And Overfilling My Crankcase By A Quart Of Oil And Taking A 450 Mile Trip With It Overfilled. I Started Having Poor Mileage...
Asked by
RAYJACK8950
·
1 ANSWER
2005
PONTIAC GRAND PRIX
High Fuel Consumption And A Slight Mis
My Car Is Using Hundred Miles Per Tank Less Than I Was Getting A Few Has No Kickdown Power Will Not Get Up And Go Other Than That Runs Fine...
Asked by
Idalia Oviedo
·
1 ANSWER
1995
PONTIAC GRAND PRIX
2000 Pontiac Grand Prix Bad Gas Mileage
My Car Gets The Gas Mileage It Should From Full To About 3/4ths A Tank From 3/4ths To Half I Get Maybe 20 Miles And Then From Half To A...
Asked by
rdwuestewald
·
7 ANSWERS
2000
PONTIAC GRAND PRIX
Bad Gas Mileage
I Have A Question Regarding Our `02 Grand Prix. Normally We Get Around 25-34mpg Or 400-425 Miles On A Tank Of Gas And Recently We Have...
Asked by
cmgold
·
1 ANSWER
2002
PONTIAC GRAND PRIX
2001 Grand Prix Getting Bad In-town Mileage
Hi. My 2001 Grand Prix Has 230,000 Miles On It And Still Runs Well. Lately I Have Noticed That My In-town Gas Mileage Has Been Awful. If I...
Asked by
T-Bake
·
1 ANSWER
2001
PONTIAC GRAND PRIX
2004 Pontiac Grand Prix
I Have A 2004 Pontiac Grand Prix With 40,000 Miles. The Emmission Light Came On And Is Staying On Solid. I Read The Owners Manual And...
Asked by
Doughboy
·
2 ANSWERS
2004
PONTIAC GRAND PRIX
I Have Seen Some Of These Performance Chips That Are...
I Have Seen Some Of These Performance Chips That Are Claimed To Boost Torque And Mpg, Do Any Of These Actually Work Or Worth It? I Have...
Asked by
charlie1229
·
1 ANSWER
1998
PONTIAC GRAND PRIX
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