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misfire cylinder 4
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  1. General
    I bought a 03 Envoy, ran fine upon test drive. 210,000 miles. 2 days later, starts sounding like it doesn't want to shift into higher gears, rpms up over 3000 and sounds like winding. Occasionally lights dim when it is acting up. Sometimes if I release gas pedal when wont shift, it will help,not...
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