Have 1999 305 van gmc boogies out when driving and back fires through the exchaust and loss of power

Asked by Jun 17, 2017 at 11:59 AM about the 1999 GMC Sierra

Question type: Maintenance & Repair

1 Answer

257,375

Boogies? Backfiring indicates a timing issue.

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    Js08016
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    dandyoun
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