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Thread: Cranking no start with cold weather

  1. #41
    Tuner in Training
    Join Date
    Sep 2023
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    22
    Quote Originally Posted by edcmat-l1 View Post
    Where is the battery mounted? How large are the battery cables? How long are they? What is the CCA of the battery?
    The battery is mounted drivers front just like a stock gmc 2500, cables are all stock sizes and lengths battery is 850 CCA AT 32 degrees and 690 at 0 degrees

  2. #42
    Tuner in Training
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    Sep 2023
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    also took another log with some more channels added can anyone see anything out of the ordinary which I am not?
    Attached Files Attached Files

  3. #43
    Senior Tuner
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    Mar 2022
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    Indiana
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    MAP reads 87kPa with the engine just sitting there. There are a few quick blips with one of them reaching 101kPa.

  4. #44
    Tuner in Training
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    Sep 2023
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    22
    looking at the previous logs when it ran, MAP reads about the same just sitting there. So far I have checked spark again, checked compression on all cylinders, checked fuel pressure, and made sure timing is correct with timing light. all checked out good, kind of stumped on this thing

  5. #45
    Tuner in Training
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    Sep 2023
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    22
    SOLVED. Got the truck up and running a few months ago by tearing down to check timing and found that the cam was a few teeth off from the crank. Set the timing correctly and truck started and ran began tuning then shortly ran into same thing and found the brand new cam sensor had failed, got a new one and have done plenty of road logs and learned a lot along the way from this forum and many others. now I am just trying to resolve a flashing check engine light at idle sometimes and always around 70 mph. Doesn't feel like it has a miss fire and stores no codes. Just thought I would update you all. Thanks for the help.