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Problem for Isuzu 1997 Trooper

1997 isuzu trooper p300 code keeps returning

By ianclarke117 on Jun 05, 2009

" "

I replaced the ignition coils and spark plugs. fuel pressure is good. removed plenum and checked gasket and injectors.ok cleaned egr system. compression is good. sometimes code p305 comes but nothing is wrong with plug. replaced o2 sensors and ecm. need help $700 in the hole already

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Solution #1

posted on Jun 05, 2009

jessu179

Rank: Guide
Rating: 80%, 3 votes

did you unplug the battery when the work was been done allowing the car main cpu system to reset itself if not u may have to go to a dealer of your car to have them reset cuz car computer doesent know work was done

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