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GMC
Sierra Hybrid
Engine
Symptoms
Misfire
Misfire
2001 GMC SIERRA HYBRID
245,000 MILES • 8.1L • V8 • 4WD • AUTOMATIC
STEELEMAN63
MEMBER
1 POST
FOLLOW
Started up this morning and had a miss and when I revved it up it tried to clear up and then check engine light flashed twenty six times.
Jan 3, 2018 at 4:45 PM
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STRAILER
CERTIFIED EXPERT
53,854 POSTS
Hello,
This sound like you have a misfire which is probably caused by the spark plugs and wires that need to be replaced.
Here is a guide to help you:
https://www.2carpros.com/articles/how-to-change-spark-plugs
We should run the codes to see what comes up to confirm the issue.
https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing
Please run this test and get back to us.
Cheers, Ken
Jan 5, 2018 at 12:36 PM