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rough idle

  1. Intermittent rough idle

    I’m curious if anyone has experienced or diagnosed the potential cause for an intermittent rough idle while in drive or sports mode with a gen 3 coyote that has an automatic transmission. It probably started about 5-6 weeks ago for me. There has not been a single check engine light or code...

  2. Help! Misfire again after Ford visit.

    Hello all, I have a 2019 Mustang GT 10 Speed. Car is not tuned and i have been afraid from all the issues I've had with it. I have had rough idles, stalling and bad shifts. Took it to ford dealers and they first diagnosed it by replacing Solenoid, told me to comeback if car was still...

  3. Random rough idle and stalling

    2015 GT mt82 car will sometimes randomly start idling super rough up and down when stopped. The AFR on the dash goes crazy jumping from 15+ down to low 11's when I push the clutch in the idle mellows out and will return to somewhat normal (still will idle a little rough with clutch in) this...

  4. Bad head gaskets on new Gen 3 coyote?

    I purchased my 2018 GT as a RAV (with an extended warranty) just a few months ago. Ran great for the first month or so. But, a couple weeks ago, I was driving around town and my car started running rough, and the low oil pressure alarm blinked. Pulled over, checked oil, looked good. I took it...

  5. Cold Start Misfire

    Hello guys! My 2016 Ecoboost ghost misfires and shakes a bit when RPM drops after cold start until the engine warms up after that it runs well without any issue plus It doesn't give me any trouble codes, this happened after a head-gasket replacement and engine rebuild. Listen closely to the...

  6. Heavy smoke and misfire codes 2.3T

    I was on the way home from doing a few datalogs on my new tune revisions from pdtuning when heavy smoke began to come out of my exhaust so i pulled over and left my car on and it repeated to smoke for another few minutes. On the way home all of my temps seemed fine and my oil pressure was...

  7. 2015 GT Stalling at Idle

    My 2015 GT (63k Miles) just started stalling at idle (The issue has progressively gotten worse past few days). From what i can tell the car has to warm up and then as soon as i pull up to a light and put the car in neutral, after about 10-15 seconds the car will exhibit RPM drops and actually...





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