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Now today the Service Engine Soon light is on

Tiny
FARRAHG424
  • MEMBER
  • 2000 CHEVROLET TAHOE
  • V8
  • 2WD
  • AUTOMATIC
  • 114,490 MILES
For the last month my truck has been turning off by itself. It only happens when I just turn the truck on after it has sat for a long while. I can tell that once started it hesitates and then once I start moving slowly it will turn off. Once I restart it it is fine. Now today the Service Engine Soon light is on. Not sure what it is.
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Thursday, March 6th, 2008 AT 2:13 PM

1 Reply

Tiny
SQM
  • MECHANIC
  • 6,383 POSTS
Hello,

This drivability issue can be due to several factors. Dirty throttle body, faulty throttle position sensor, inadequate fuel pressure etc.
Cleaning out throttle body can improve drivability issues.

Here is a helpful guide:

https://www.2carpros.com/articles/throttle-actuator-service

Since the check engine light is illuminated the first step would be to have the vehicle scanned and retrieve the trouble codes. This can help with the diagnostics.

Here is a video shows how to scan for codes:

https://youtu.be/vMwTzURWXmk

Please let me know what code(s) you get.

Thank you.
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Thursday, October 28th, 2021 AT 2:04 PM

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