2001 GMC Yukon XL 1500 Q&A

2001 GMC Yukon XL 1500 Question: How do I sto p the engine from cutting back or skipping?

The check engine light comes on along with the engine skipping or cutting back on hills. How do I stop the skipping and cutting back on the hills. -
Answer 1
It sounds like you have an engine misfire under load. With the check engine light on a fault code is stored in the power train control module. Reading the codes stored in the pcm should help get to the cause of your misfire. -