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1995 Tahoe

Tiny
JGEDGOUDAS
  • MEMBER
  • 1995 CHEVROLET TAHOE
  • V8
  • 2WD
  • AUTOMATIC
  • 93,000 MILES
How does the choke work on a 1995 Chevolet tahoe 5.7L? When I start my truck my truck and its cold it starts but then dies 1 or 2 seconds after.
I have to push the gas to get it to stay running.
I have changed the plugs, wires, distributor cap, rotor button, Throttle Position Sensor, Idle Air Control Valve, and used several treatments of injector cleaner. It also does not idle up when it starts when its cold. Can you please help me?

Thanks,
Judd
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Tuesday, December 14th, 2010 AT 1:03 AM

3 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
First you don't have a choke on this. It's fuel injection so it enriches the mix. Twwo things to try, turn your key on and wait for the fuel pump to stop mkaing noise-actually about 2-3 seconds. Change your fuel filter and check yoru fuel pressure. It should be 55psi minimum
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Tuesday, December 14th, 2010 AT 1:13 AM
Tiny
JGEDGOUDAS
  • MEMBER
  • 2 POSTS
I have already changed the fuel filter and have waited for pressure to build still the same thing. Where do I check the fuel pressure at?
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Wednesday, December 15th, 2010 AT 12:40 AM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
There should bea tap in placeon the fuel rail. It will look like a tire cap. You'll need to hook the gauge up there. Then start th truck.
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Wednesday, December 15th, 2010 AT 12:48 AM

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