I have a 2003 gmc envoy xl it acts like it don't get enough gas (with this whoo whoo) but when i give it gas it stops what could it be

Asked by Jun 04, 2017 at 08:53 AM about the 2003 GMC Envoy XL SLT

Question type: Maintenance & Repair

my gmc 2003 envoy has this whoo whoo like not enough gas but when I give it gas it stops what is it

2 Answers

620

Too much slack in timing chain or phase timer not functioning properly

I have a 2003 evoy it is making a metal to metal sound while driving.what could this be?

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