Engine shuts off after driving a few feet

Tiny
DAWG64
  • MEMBER
  • 2008 BUICK LUCERNE
  • 3.8L
  • V6
  • 2WD
  • AUTOMATIC
  • 129,000 MILES
After I start my car, I drive a few feet and it stalls and will not start again. Can anyone tell me what it might be?
Sunday, November 15th, 2020 AT 10:54 AM

3 Replies

Tiny
KASEKENNY
  • MECHANIC
  • 18,907 POSTS
This could be a few things but the most common thing that would cause this is a fuel issue. So we need to do two things, first check for codes to see if there is anything there.

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

Next is check the fuel pressure to see if that is the cause as I suspect it is.

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

Let's start with this and go from there. Thanks
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Sunday, November 15th, 2020 AT 1:35 PM
Tiny
DAWG64
  • MEMBER
  • 3 POSTS
I checked the fuel pressure and when I turned the key it showed over 50. Then I found out I wasn't getting any spark. Changed the ICM and the coil for #1 and #4 plugs. Still no spark. What else could be causing this?
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Tuesday, November 17th, 2020 AT 11:59 AM
Tiny
KASEKENNY
  • MECHANIC
  • 18,907 POSTS
Okay. The most common thing is the crank sensor. However, I attached the testing that we need to run through to track this down.

Here is a guide that gets into more detail about this issue:

https://www.2carpros.com/articles/symptoms-of-a-bad-crankshaft-sensor

Let's run through this testing and see what turns up. Clearly there are other things that can cause no spark but as I said the crank sensor is the most common but I would not guess at it and run through this test.
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Tuesday, November 17th, 2020 AT 6:27 PM

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