no codes

  1. G

    Sputtering/misfiring below 2500rpm

    2006 GT manual, 210k miles. I'm having an issue, mostly once the engine is warm, where I have a misfire/sputtering below about 2500-3000 rpms. No codes. Once the car gets hot, if I drive it for about an hour, it will hard start. I installed a new fuel pump. Upgraded said fuel pump. New throttle...
  2. 1

    Engine Check engine light with no stored codes

    Looking for some help on a check engine light issue. 1993 mustang cobra Smog delete Threw all the normal codes for smog delete. Chipped it. Now no more smog codes. Replaced 3 capacitors on A9L compu After chipping had a code for idle out of limit and map out of limits. Set timing (10 btdc)...
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