Truck backfires lurches loss of power

Asked by Dire Jun 03, 2022 at 12:23 PM

Question type: Maintenance & Repair

97 2500 chevy cheyenne
Lurching, backfires, loss of power
Attempts to repair: New fuel pump, new fuel filter

1 Answer
39,845

beatupchevy answered 2 years ago

What do the plugs look like ? Get a timing light on it and see if the mark jumps around when you rev the engine , your timing chain may be totally worn out , a higher tech scanner may be needed to be accurate

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