Question about 1999 Pontiac Grand Am GT
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Posted on Jan 02, 2017
SOURCE: changing timing chain
Very in depth job recommend take it to a shop this car probably has variable valve timming you will need a manual if you want to attempt to re allighn timing marks.
Posted on Oct 16, 2008
I have the full procedure with diagrams. If you send me your email, I will send you what you need. email@example.com
Posted on Sep 16, 2009
P0300 is a generic misfire code, it doesn't specify a cylinder (eg. P0301 cylinder #1, P0304 cylinder #4). Therefore its not likely realted to one cylinder like a plug, coil or one fuel injector, likely something related to all cylinders, possibly a bad 02 sensor reading (most likely), a fuel pressure regulator, low fuel pressure or partially plugged fuel filter. Change the fuel filter cheapest and easiest, then look into 02 sensor.
Posted on Feb 02, 2011
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