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wont go ogf
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asked
Feb 25, 2017
by
anonymous
Replaced plugs wires coils and throttle body. Tailpipe shaking bad. Cleaned MAF check engine light wont stay off. Used injector cleaner and high test gas from shell. What now?
Vehicle:
2008 pontiac grand prix 3.8
p0300
code
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answered
Apr 19, 2017
by
Carguy1
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13.5k
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HI there
Next step is to check the fuel pressure and check for vacuum leaks on the intake manifold. If nothing is found to be wrong, do a compression test on the engine.
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answered
Apr 19, 2017
by
Carguy1
(
13.5k
points)
HI there
Next step is to check the fuel pressure and check for vacuum leaks on the intake manifold. If nothing is found to be wrong, do a compression test on the engine.
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