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First time and you crank too long

Tiny
ALANE1955
  • MEMBER
  • 2005 CHEVROLET IMPALA
  • 3.4L
  • V6
  • 2WD
  • AUTOMATIC
  • 140,000 MILES
I have to try to start the car twice the first time it cranks and runs for a second the second time starts and runs fine. If it does not start the first time and you crank too long the second time it will not start and the security light flashes.
Wednesday, October 24th, 2018 AT 11:35 AM

8 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good afternoon

The first thing I would check is the fuel pressure. it may be losing its prime overnight indicating the check valve in the fuel pump has failed. the first crank may be priming the system for the second attempt.

Roy

https://www.2carpros.com/articles/engine-cranks-excessively-before-starting

https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator
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Friday, March 12th, 2021 AT 9:37 AM
Tiny
ALANE1955
  • MEMBER
  • 6 POSTS
It has good fuel pressure it will take 2 times to start it even if I start it and let it run and shut it off and try to start it as soon as its off
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Friday, March 12th, 2021 AT 9:37 AM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
OK, what is the fuel pressure?

Is the check engine light on? If it is, do you know the codes?

Roy
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Friday, March 12th, 2021 AT 9:37 AM
Tiny
ALANE1955
  • MEMBER
  • 6 POSTS
No codes no check engine light. Runs fine when it starts
I have replaced the ignition switch thinking it was a passlock problem but still the same
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Friday, March 12th, 2021 AT 9:37 AM
Tiny
ALANE1955
  • MEMBER
  • 6 POSTS
Sorry fuel pressure 51 lbs
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Friday, March 12th, 2021 AT 9:37 AM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Ok, the spec is 55 lbs. 51 is low and can cause this issue. Thats where I would start.

Roy

The tank has to be dropped in order to do the fuel pump.
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Friday, March 12th, 2021 AT 9:37 AM
Tiny
ALANE1955
  • MEMBER
  • 6 POSTS
Thanks I'll give that a try next I was just out of ideas thanks again
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Friday, March 12th, 2021 AT 9:37 AM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Your welcome

Keep us updated

Always glad to help

Roy
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Friday, March 12th, 2021 AT 9:37 AM

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