Intermittent starting issue?

PATTY WOODS

MEMBER
2000 CHEVROLET SILVERADO
0.5L
6 CYL
AUTOMATIC
104,000 MILES

Starts sporadically. No rhyme or reason. Replaced fuel pump and filter, gas lines, modulator. Run good once it starts. Turns over but just won't start, other times starts no problem. Any suggestions would be appreciated. Had it to 3 garages already.

5 Replies

JACOBANDNICKOLAS

MECHANIC
108,244 POSTS

Hi Patty,

We need to narrow down the possibilities. Here is what I need you to do:

When it won't start, see if it will start if you use starting fluid. If it does and then stalls or continues to run, we know it is fuel related. If there is no change with the starting fluid, then I need you to check if there is spark to the spark plugs.

Here is a link that explains how to do that:

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

Try this and let me know what you find. Also, let me know if the check engine light stays on when the engine is running.

Take care,

Joe

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Tuesday, December 5th, 2023 AT 6:27 PM

PATTY WOODS

MEMBER
3 POSTS

Have not tried interventions. The truck has been starting but I don't know for how long. Will try your suggestions when it won't start again and let you know. Thank you for your help.

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Thursday, December 7th, 2023 AT 2:57 PM

JACOBANDNICKOLAS

MECHANIC
108,244 POSTS

Hi,

Sounds like a plan. Let me know if things change or if I can help in any way.

Take care,

Joe

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Thursday, December 7th, 2023 AT 8:27 PM

PATTY WOODS

MEMBER
3 POSTS

I traded the truck in today, tired of the hassle! Thank you for all your help!

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Friday, December 8th, 2023 AT 2:29 PM

JACOBANDNICKOLAS

MECHANIC
108,244 POSTS

Hi,

Thanks for the update. That is certainly one way to resolve the issue. LOL

Take care of yourself and feel free to come back anytime in the future.

Joe