Problem Reports
Pontiac Grand Prix
Report: Check Engine Light Due to Gas Cap Issue
Pontiac Grand Prix Problem
Model Years Affected: 2004, 2005, 2006, 2007, 2008
Average Mileage: 105,955 mi (28,000 mi - 185,148 mi)
Illumination of the Check Engine Light can be caused by a loose or worn gas cap.
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Visitor, 2008 Pontiac Grand Prix, 102,000 mi
i had 2 codes one catilac converter had that repaired po455 code had that checked smoke test found no leak went to gm dealer got new gas cap how long does it take before check engine light goes off
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Visitor, 2004 Pontiac Grand Prix
check engine light is on. I get a message to check gas cap. I replaced the gas cap but am still getting the same message.
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Visitor, 2007 Pontiac Grand Prix, 83,147 mi
Check gas cap, not fixed
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Street Sports Bossman, 2006 Pontiac Grand Prix, 185,148 mi
EnthusiastNew gas cap did not fix the problem. Throwing code P0455 - EVAP system leak (large) - customer had to take car on trip and will drop it back off when they return.
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Visitor, 2006 Pontiac Grand Prix
Check engine light came on. Problem was corrected by installation of a new gas cap and gas line filter.
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jerryh20, 2004 Pontiac Grand Prix, 90,000 miRookie
car indicated gas cap failure on service screen - replaced cap and warning cleared itself.
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Visitor, 2004 Pontiac Grand Prix, 86,000 mi
Check gas cap indicator keeps coming up. Checked the cap several times, then replaced the cap. Still comes on.....
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Visitor, 2006 Pontiac Grand Prix
new gas cap purchased from the dealer keeps getting loose in 2006 Pontiac grand prix
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iaminkstercity, 2004 Pontiac Grand Prix, 130,000 miEnthusiast
replaced the gas cap and the light went off for about a week then came back on, now it goes off about once a week then is back on later that day
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Visitor, 2008 Pontiac Grand Prix, 28,000 mi
Removed and re-installed gas cap.
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