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backfiring and missing

This is a discussion on backfiring and missing within the General Help forums, part of the LSx Technical Help Section category; My car started this today on my way home from work. Drove there this morning fine and when i got ...

  1. #1
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    backfiring and missing

    My car started this today on my way home from work. Drove there this morning fine and when i got in it to come home i noticed it idled funny when i started it. then when i got on the road it started shuttering pretty bad from a miss and backfiring through the exhaust. any ideas coil pack? ignition
    module what do you think?

  2. #2
    expensive tires az gt eater's Avatar
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    04 2500 4x4 crew cab

    Check the codes. The connector is right at your right knee. Could be an o2, could be mass arflow sensor, etc. You can usually get them checked for free at auto parts stores. Or buy one. It works on all OBDII cars.

  3. #3
    Mustang Eater Ls_won's Avatar
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    2000 z28 6 speed

    Clean your maf, that usually clears alot of it up, see if you have any loose boots on the plugs or coils, if it is misfiring really bad your ECU should pick up a misfire code. Check the codes and see what you pull.
    2001 B4C Totaled 4/25/11
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  4. #4
    Smiles for 9.5 Years cammed goat's Avatar
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    I agree. Start off with cleaning the MAF. Let us know if the problems persist. Also...if your MAF is dirty, you might not get any codes.

  5. #5
    Moderator 35th-ANV-SS's Avatar
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    Was the check engine light blinking? Blinking SES indicates multiple misfires.

  6. #6
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    Have you done anything to the car recently such as routine maintenance or an install?

  7. #7
    Junior Member somz28's Avatar
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    Quote Originally Posted by 35th-ANV-SS View Post
    Was the check engine light blinking? Blinking SES indicates multiple misfires.
    how do you fix this problem? i just installed LTs, ypipe and magnaflow exhaust and i took the car out for a drive and got on it and this happened?!!?

  8. #8
    Moderator 35th-ANV-SS's Avatar
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    I would start by checking for a vacuum leak on the exhaust.

  9. #9
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    luckily mine was a simple fix. New plugs and wires and shes runnin fine

  10. #10
    Smiles for 9.5 Years cammed goat's Avatar
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    Good to hear!!

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