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2004 Chevy Tahoe Engine cutting Off

Tiny
PRATT676
  • MEMBER
  • 2004 CHEVROLET TAHOE
  • V8
  • 2WD
  • AUTOMATIC
  • 70,000 MILES
My tahoe will cut off (stop running) for no apparent reason. I checked the air filter and the housing unit around it and both look fine. What could be making it cut off like this?

Bill
Sunday, February 1st, 2009 AT 12:31 PM

3 Replies

Tiny
2CARPRO JACK
  • MECHANIC
  • 11,533 POSTS
Could be a few different things, when it cuts off, will it start right back up? if not need to check for spark and fuel pressure to see what is missing (see videos below). If the check engine light is on, you should have the PCM scanned for codes to give us an idea of what the PCM has seen fail

https://www.2carpros.com/dia/test_fuel_pressure.htm

https://www.2carpros.com/how_to/how_to_test_an_ignition_system.htm
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Monday, February 2nd, 2009 AT 8:06 AM
Tiny
PRATT676
  • MEMBER
  • 2 POSTS
When it cuts off, it will start right back up and it does not have a check engine light on.
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Monday, February 2nd, 2009 AT 8:16 AM
Tiny
2CARPRO JACK
  • MECHANIC
  • 11,533 POSTS
Need to set up some test equipment to see what is causing it. Could be any number of sensors shorting out. Fuel pressure and spark need to be monitored. Does it only do it hot?
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Monday, February 2nd, 2009 AT 8:18 AM

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