1998 Chevy Tahoe what is wrong

Tiny
CHRIS FENDLEY
  • MEMBER
  • 1998 CHEVROLET TAHOE
  • V8
  • 2WD
  • AUTOMATIC
  • 156,000 MILES
It has a bad miss to it while you drive down the road and while it is in park it has 50 to52 pounds of perrsure I changed fuel reglater fuel inj. System spark plugs. What could be my promble.
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Friday, April 17th, 2009 AT 10:14 PM

4 Replies

Tiny
2CEXPT
  • MEMBER
Your fuel pressure is way too low should be 60-66psi for a 5.7L engine
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Saturday, April 18th, 2009 AT 2:21 AM
Tiny
CHRIS FENDLEY
  • MEMBER
What could it be after I changed all those parts, could it be the fuel pump
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Saturday, April 18th, 2009 AT 5:23 PM
Tiny
2CEXPT
  • MEMBER
Check the fuel filter and intank pick-up sock if its clogged up-if not replace the fuel pump
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Saturday, April 18th, 2009 AT 5:53 PM
Tiny
CHRIS FENDLEY
  • MEMBER
I will try that THANKS
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Saturday, April 18th, 2009 AT 6:15 PM

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