Shut off while driving will not start?

Tiny
LIL_D336
  • MEMBER
  • 1984 CHEVROLET IMPALA
  • 5.7L
  • V8
  • AUTOMATIC
  • 300,000 MILES
I was driving and it just shut off. It didn't start back up. I had to call a tow.
Friday, March 31st, 2023 AT 9:25 AM

7 Replies

Tiny
MIKE H R
  • MECHANIC
  • 3,094 POSTS
The problem may be in the fuel system, with that many miles on the car it is very possible the fuel pump screen may have gotten clogged up and not let fuel to the engine.

Here is a guide to help isolate the problem:

https://www.2carpros.com/articles/signs-of-a-clogged-fuel-filter-in-your-car-symptoms-to-watch

Let me know how you make out.
Mike
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Friday, March 31st, 2023 AT 9:41 AM
Tiny
LIL_D336
  • MEMBER
  • 5 POSTS
I just put a new fuel pump and change the fuel filter this week. It's getting gas in the carburetor.
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Friday, March 31st, 2023 AT 10:32 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 POSTS
When the engine stops running, we need to check for spark.

https://youtu.be/baq_aEWNQ0Y

and

https://www.2carpros.com/articles/how-to-check-for-ignition-spark

This guide may help as well:

https://www.2carpros.com/articles/car-not-running-advanced

Please go over these guides and report back.
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Friday, March 31st, 2023 AT 11:10 AM
Tiny
LIL_D336
  • MEMBER
  • 5 POSTS
Could it be a clogged carburetor?
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Saturday, April 1st, 2023 AT 3:24 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 POSTS
It could be, did you check for spark?
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Monday, April 3rd, 2023 AT 10:36 AM
Tiny
LIL_D336
  • MEMBER
  • 5 POSTS
No spark.
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Monday, April 3rd, 2023 AT 10:47 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 POSTS
Okay, start by checking all fuses and if they are okay It sounds like the ignition module or coil needs to be replaced. Can you check for power at the red or pink wire going into the distributor cap when the key is on, this guide can help:

https://www.2carpros.com/articles/how-to-use-a-test-light-circuit-tester

Please go over this guide and report back.

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Tuesday, April 4th, 2023 AT 9:27 AM

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