Question about 1999 Chevrolet Tahoe

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My 1999 Tahoe stopped running while in drive after I had driven it for 20 min. It turns over but refuses to start. I listened for the fuel pump to prime when I turned the key but didn't hear it at all. It started fine this morning at lunch and when I left work but then died at an intersection light while idling. What is going on?

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  • Chevrolet Master
  • 8,984 Answers

Fuel pump relay may be failing. Try switching it with the horn relay.

Posted on Nov 13, 2017

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6 Suggested Answers

6ya6ya

6ya staff

  • 2 Answers

SOURCE:

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Posted on Jan 02, 2017

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airjer995

Jeremy W.

  • 5332 Answers

SOURCE: My tahoe willonly start in

The first thing you need to check is fuel pressure with a fuel pressure gauge. You need a minimum of 56 PSI (preferable a lot more) for the vehicle to start.

If fuel pressure is low than the pump is usually the problem.

The CPI injection has poppet valves that deliver the fuel to the back of the intake valves. The poppets require the minimum fuel pressure to open. If the pressure is off by less than a couple of pounds the poppets will not open.

Priming to get the vehicle started and then the vehicle continues to run is a classic symptom for this problem. Since the poppets are under vacuum with the engine running they require less pressure to open.

I’m happy to assist further over the phone at https://www.6ya.com/expert/jeremy_d728a59f986299fa

Posted on Oct 01, 2010

Molson02536

Harvey N Tawatao

  • 3854 Answers

SOURCE: Engine will die

There is a Communication problem between the Transmission Control Module (TCM) and the Engine control module. That is the bad news and is why it's shutting down the engine. 
The good news is i believe there is a TSB recall on the 2004 - 2007 chevy aveo for the P0700 problem so it should be covered under warranty. 
Believe the TSB# 05-06-01-030D
Good luck and hope this helps and hope it's not a bad ECM. Check the wire harness to the ECM and TCM, look for broken wire or the harness it self gone apart. 

Posted on May 24, 2009

Richard Scordino

  • 6982 Answers

SOURCE: 1999 Chevy Tahoe won't Start. Motor will not turn over.

I'm assuming that by turning over, you mean that the engine fails to turn with the starter . Check your battery for 12v and make sure all connections are clean and secure. If battery has less than 12v charge it and check the charging system after re-starting. Lights and radio do not pull the same amperage as the starter and may not tell you much about battery condition. If you have full battery voltage, check the starter for 12v at the battery connection and the small (trigger wire) for 12v with the key turned to start position. If you have both, likely starter has failed.

Posted on Jun 06, 2009

scott

  • 532 Answers

SOURCE: 1994 chevy s10 blazer turns over, won't start

try replacing the fuel regulator,or is the oil cap on tight?the fuel regulator works on base vacumm

Posted on Sep 07, 2009

Anonymous

  • 359 Answers

SOURCE: I have a 2003 Chevy Tahoe. No problem this

have the codes pulled this will get you in the right direction most autozones and the like do it for free

Posted on Dec 15, 2009

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