My alternator dies so we replaced and it had not ran right since
30

Asked by asherkock Feb 07, 2015 at 09:33 PM about the 2003 Chevrolet Blazer LS 4-Door 4WD

Question type: Maintenance & Repair

as soon as we changed the alternator on my 2003 trailblazer it has not ran right. It is very
sluggish when taking off. and it is using alot more gas. the fumes of gas fill the entire car.
i have replaced so far c02 censer camshaft censer coil packs plugs cleaned the cat
converter and the carb any suggestions the thing ran fine before the new alternator????

9 Answers
60,315

Andrew answered 9 years ago

Try disconnecting the battery for a few minutes and see if it makes it any better

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asherkock answered 9 years ago

ok ill try that we did right after replacing the alt but have not since all the other things thank you

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30

asherkock answered 9 years ago

yes all the codes were misfire codes and thats why the censors were changes but now there are no codes comming up but still running bad tries to unhood battery to reset the cpu but that did not work either

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10

Brendon answered 7 years ago

I just changed my alternator and I am having missfires now the day after. And it is very rough at idle. Any help?

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