Vehicle will not stay running

Tiny
JO MORALES
  • MEMBER
  • 1999 CHEVROLET TAHOE
  • 5.7L
  • V8
  • 2WD
  • AUTOMATIC
  • 175,000 MILES
Hi, I replaced fuel pump, fuel fuse relay, rotor distributor, ignition coil. Spark plugs and fuel filter. Car would turn on for two seconds then off. It kept doing this numerous times and a neighbor went to check fuel pressure and pressed on it then engine lit up. I quickly hosed it and no one was hurt. All wires are fine cause only lasted about five second on, but I do not know what to do anymore.
Friday, August 31st, 2018 AT 2:28 AM

3 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good morning.

Is the theft light or security light on?

When you turn on the key, the lights should come on then go off. If it does not, then you have an issue with the security system.

If it does go off, then you need to check the fuel pressure to see what the value is. The system needs a specific pressure to keep running.

Is the check engine light on?

Roy

https://www.2carpros.com/articles/car-cranks-but-wont-start

https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator

https://www.2carpros.com/articles/how-to-test-an-ignition-system
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Friday, August 31st, 2018 AT 2:53 AM
Tiny
JO MORALES
  • MEMBER
  • 7 POSTS
No theft light on or check engine light.
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Friday, August 31st, 2018 AT 3:32 AM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good morning.

From the video you provided, it sounds like the battery is dead. Check the battery as that may be the entire issue.

Roy

https://www.2carpros.com/articles/car-battery-load-test

https://www.2carpros.com/articles/how-to-charge-your-car-battery
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Saturday, September 1st, 2018 AT 6:17 AM

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