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hard miss on cold engine startup ??

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Old Apr 16, 2021 | 04:12 PM
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Default hard miss on cold engine startup ??

  • cant tell if its a miss or just a exhaust pressure thing on cold engine start after a minute of idle and revving a few rpm. only 4k miles. any suggestion on what might I be feeling. seems to not happen after warm up. any help thanks.
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Old Apr 16, 2021 | 05:05 PM
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I had the same problem with my 16 Stingray A8, if it sat a week or so, I don't know what it was, I always figured it was moisture or condensation in the fuel system, but it would have a dead skip when I cranked it up. I would drive it down the road and open it up a few times, then the skip was gone. Never showed a code or anything else and would not do it if I drove it regularly. I think if I had driven it more often, it never would have happened.
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Old Apr 16, 2021 | 06:35 PM
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Originally Posted by larrybee
  • cant tell if its a miss or just a exhaust pressure thing on cold engine start after a minute of idle and revving a few rpm. only 4k miles. any suggestion on what might I be feeling. seems to not happen after warm up. any help thanks.

This could be a few things !!...I see you’re near Pittsburgh...if you want you can take the car to Danner Automotive in Bethel Park...James Danner is the owner...his brother Paul is the diagnostic guru and has a great YouTube channel... without the right equipment you’ll be wasting money shotgunning parts !!
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Old Apr 16, 2021 | 09:39 PM
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I just purchased the car and thought maybe some one put some cheap 87oct gas in it ??
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Old Apr 16, 2021 | 09:52 PM
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might look into that thanks
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