Recent content by zzzzzap

  1. Z

    Intermittent misfire or shudder

    I have an 07 Tahoe 5.3 with 116,000 miles. It recently began to shudder under a load such as going up hill with slight acceleration. At first I thought it may be the transmission but it feels more like a lack of power or misfire. It's not setting any codes. I feel it in the steering wheel and in...

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