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Thread: Default C6 MAF and Schematics and diagnostics

  1. #61
    Tuner in Training
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    Oct 2023
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    Seems like all my engine block grounds had poor path to ground. Adding a large gauge wire to my chassis (around the firewall and under the header) seems to have fixed it. Wonder what the root cause is?

  2. #62
    Senior Tuner
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    Nov 2017
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    Sounds like root cause is a bad ground? You can't get more root cause than that.

  3. #63
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    Quote Originally Posted by gtstorey View Post
    Sounds like root cause is a bad ground? You can't get more root cause than that.
    Sure, but it's a factory ground. Just wondering what might be causing the poor path to ground if there are 3 factory ground points on the aluminum engine block.

  4. #64
    Senior Tuner
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    Nov 2017
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    Either the connections are bad/dirty/corroded, wire is corroded/broken or missing a wire.