1997 Chevrolet Tahoe 97 Chevy Tahoe

Tiny
CROSSINGBOYSLIM
  • MEMBER
  • 1997 CHEVROLET TAHOE
  • 5.7L
  • V8
  • 2WD
  • AUTOMATIC
When I spray gas in the throttle the truck stays on but it cuts right back off what could be the problem
Monday, August 3rd, 2015 AT 11:35 AM

4 Replies

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
I'd start with the basics. Use a gage and check proper fuel pressure. Check for fuel injector pulse, engine cranking. Can you check for applicable trouble codes? To check codes, yourself, at the least, you need an obd2 code reader.

Check for rpm signal and your security system. There could be other issues?
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Monday, August 3rd, 2015 AT 11:58 AM
Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Just to add, if you have the spider fuel system, that system is noted for problems. Key on engine off 60--66 psi.
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Monday, August 3rd, 2015 AT 12:06 PM
Tiny
CROSSINGBOYSLIM
  • MEMBER
  • 5 POSTS
I USED A OB2 READER IT PULLED UP NO CODES MY FUEL PUMP COME ON BUT I DON'T KNO IF ITS PUMPING
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Monday, August 3rd, 2015 AT 1:23 PM
Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Yeah, you need to use a gage and check proper fuel pressure.
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Tuesday, August 4th, 2015 AT 2:23 PM

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