chevy express 2500 5.7

Van idles ok but when I try to drive just lurches forward. No power

1 thought on “chevy express 2500 5.7”

  1. Check for any check engine light codes first.

    Does this also happen in reverse? or if gear selector is put in a lower gear.

    Check your Park brake as it may be sticking.

    does engine rev up and van won’t go?
    engine bogs?

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