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2002 Chevy Tahoe Keeps shutting off

Tiny
AGS
  • MEMBER
  • 2002 CHEVROLET TAHOE
  • V8
  • 4WD
  • AUTOMATIC
  • 116,000 MILES
I recently changed out the fuel pump due to not getting enough pressure and the SUV was shutting off. A few days ago, it kept shutting off at the stoplights, so I had the fuel filter changed. Today it keeps shutting off, like it's niot getting enough gas. I have no idea what it can be, any suggestions?
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Sunday, April 27th, 2008 AT 12:24 PM

6 Replies

Tiny
LEGITIMATE007
  • MECHANIC
  • 5,121 POSTS
Can you hear the fuel pump turn on when you turn the ignition key on? If so then check fuel pressure. I'll send a video link to show you a simple way of doing it. Then you can let me know what happens
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Sunday, April 27th, 2008 AT 12:41 PM
Tiny
LEGITIMATE007
  • MECHANIC
  • 5,121 POSTS
http://www.2carpros.com/car_repair_video/test_fuel_injection_pressure.htm

here you go .. check this out. shows you how to check for fuel pressure and check your pressure reg.
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Sunday, April 27th, 2008 AT 12:42 PM
Tiny
AGS
  • MEMBER
  • 2 POSTS
The fuel pressure was checked and was okay. I replaced the fuel pump and fuel filter as well. Truck runs good but when it acts up, it stalls out at the lights and shuts off. Then the battery goes dead and I have to get a jump start.
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Sunday, April 27th, 2008 AT 2:41 PM
Tiny
LEGITIMATE007
  • MECHANIC
  • 5,121 POSTS
One more question, have you allready tested your battery and alternator?
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Sunday, April 27th, 2008 AT 7:47 PM
Tiny
AGS
  • MEMBER
  • 2 POSTS
Not yet. I kinda suspect my battery is low. Would that affect it?
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Sunday, April 27th, 2008 AT 9:37 PM
Tiny
LEGITIMATE007
  • MECHANIC
  • 5,121 POSTS
Yes it would. If some of the cells are "dead", then the alternator is not gonna be able to keep it charged to its full capacity, therefore making the battery unable to keep the car running. Everything needs power, including the transmisssion. You can have the battery tested for free at autozone.
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Monday, April 28th, 2008 AT 7:07 AM

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