1999 Chevy Tahoe

Tiny
JOSEPHDADKINS
  • MEMBER
  • 1999 CHEVROLET TAHOE
Engine Performance problem
1999 Chevy Tahoe V8 Four Wheel Drive

my tahoe runs real ruff at low rpm's runs smooth at 2000 rpm's or higher, I put new wires, plugs, dist, ignithion is firing, its on time, ekg valve is open. Tighthened intake, checked vacume lines, seem ok? Only saw two on intake? What next?
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Thursday, December 17th, 2009 AT 3:09 PM

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Tiny
PEAR69
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What is the fuel pressure. What intake bolts did you tighten? If you are talking about the lower intake bolts (the ones that bolt into the head) I hope you didn't tighten them over 135 INCH pounds -- that is around 10 foot pounds. (VERY LITTLE). The upper intake bolts (the ones that hold the plastic cover on) torque should be even less -- 88 INCH pounds or around 6 foot pounds.
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Tuesday, December 22nd, 2009 AT 3:46 AM

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