1996 Chevy Tahoe Engine fails to start

147,000 MILES • V8 • 4WD • AUTOMATIC
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JMBENEDICT02
  • MEMBER
  • 1 POST
Engine starts hard, and sometimes fails to start. Usually when the outside temp is cool, and there is moisture in the air. Once it has been started, if turned off, it starts right up. The fuel pump, filter, and regulator have been replaced. New wires, plugs, cap and rotor. Fuel pressure is between 55-58 psi. No trouble codes on reader. Any suggestions????
Aug 9, 2008 at 12:42 PM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
Retest the fuel pressure and check the coolant temperature sensor and idle air control valve/MAF/MAP sensors. Fuel pressure is between 55-58 psi see below


https://images.2carpros.com/forum/automotive_pictures/12900_fuel_1.jpg

Aug 9, 2008 at 12:57 PM
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