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99 CAMARO RUNS ROUGH

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  • 99 CAMARO RUNS ROUGH

    Hey Guys,
    I’m new here, so bear with me. I have a nice 99 Camaro, with a 3.8, 6 cyl., 5 speed manual, and no modifications. The car has been well taken car of, but does have 100,000 miles on it. I recently had a light come on and the code indicated a misfire on #6, and of course the car was not running right. I went ahead and replaced the coil for the #6 cyl., with a twenty - something dollar, after market coil from Advance Auto. It just so happens that the other two coils look identical to the one that I replaced, so I guess that they are all three the same after market brand, and someone had replaced all three before I got the car, in May of this year. I still had the same problem with the car, so I took it to the shop to have new plugs, and plug wires put in. That seemed to fix most of what was wrong at the time. No light, and it will run ok-that is until it warms up to its normal temp, which is about 200 degrees. It begins to act like it is starving for power, especially when the air conditioner is on. Before it warms up though, it runs like its supposed to, and has a lot of get up and go. There is no “Check Engine Soon” light yet. The gas mileage is terrible as well. I over heard a mechanic saying
    “you don’t want any of that after market stuff, just stick with the dealer”. This was in reference to coils. Does anyone think that possibly the after market coils could be the problem, or does anything else ring a bell? Just like everyone else, I like to do as many of the repairs on my cars as possible and always try to avoid going to the repair shop, so I was hoping that you all might have a few ideas. By the way, I had a lot of trouble ever logging in to this forum, when I first joined. I figured out that I had to enable the “cookies” for this site, to be able to do it. Just thought I would mention that in case anyone else had the same problem.
    So, anyway, any advice would be appreciated.
    Thanks,
    Bruce


    Coming soon: A Firebird graphic opposite the Camaro graphic-

  • #2
    lose the caps...

    hmmm...no SES...new wires, plugs and coil...I'd double check the wires, make sure they're not arching, make sure the plugs were gapped correctly and make sure the coils connectors are clean and dry...

    it could also be fuel delivery...

    Christopher Teng

    1999 · A4 · 3.73's · Auburn LSD · Whisper Lid · K&N · Pacesetter Headers/Y-pipe
    Magnaflow Cat & Catback · MSD Coils/Wires · Bosch +4 Plugs · EGR Bypass
    B&M SuperCooler · 160* Stat · Descreened MAF · SLP CAI · BMR STB & SFC
    Strano Sways · Eibach Springs · Bilstein HD Shocks · Hawk-Pads · Brembo Blanks
    Speedlines · Nitto 555s · Texas Speed Mail Tune

    Lots of Weight Savings · Stubby Antenna · Corbeau TRS · Zaino · 273K

    F-Body Dirty Dozen

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    • #3
      Just thought of something

      A thought just hit me-I have no idea when the fuel filter had been changed last. I think that I will try that as well.
      Thanks,
      Bruce


      Coming soon: A Firebird graphic opposite the Camaro graphic-

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