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Thread: Cranking no start with cold weather

  1. #41
    Tuner in Training
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    Sep 2023
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    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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    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