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should I replace the ignition coils

  

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2004 Isuzu Ascender

Hi Scotty! My ascender / trailblazer last night had a really bad misfire on cylinder 4 after it stalled. Upon examination it had it bad ignition coil, replaced and noticed there were still a couple original ones on there. The car has over 200k miles. Should I just go ahead and replace it and could tyis explain my gas mileage of 11/mpg in city and 12 in highway?


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if they're not broken, don't fix them

Posted by: @thomasxcarr

could tyis explain my gas mileage

No. They either work or they don't.


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