Power loss

Asked by GuruV199Z Aug 26, 2018 at 07:02 PM about the 2002 GMC Yukon XL 1500 SLT 4WD

Question type: Maintenance & Repair

What would cause it to not go when you give it
gas? Drives fine at half throttle or lower but won't
get proper power once you pass half throttle.

2 Answers
9,765

brotherben answered 6 years ago

Check your fuel pressure. It could be your fuel pump, a fuel leak, a clogged line, or a malfunction in your injectors.

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