When driving the car, when it gets warm it keeps stalling and it runs rough

TERRI GRATTON LABERGE

MEMBER
1998 OLDSMOBILE 98
3.8L
6 CYL
2WD
AUTOMATIC
40,000 MILES

The guys that are trying to fix our car are mechanics. They have changed different parts that was thought could be the problem but turned out it wasn't they looked like they needed changing though. New plugs have been put in, a new fuel filter (the old was really dirty) and a few other things but I don't know what more. We've been told our electrical system is fine. No one is giving up and changing what we did was a good thing for the car, but we are trying to figure out ideas that might be the right problem.

Thursday, April 14th, 2022 AT 5:56 AM

3 Replies

JACOBANDNICKOLAS

MECHANIC
110,136 POSTS

Hi,

If this only happens when the vehicle is warm, it sounds like the crankshaft position sensor is failing. Has that been replaced? Are there any diagnostic trouble codes that were retrieved?

Let's start here. Take a look through this link and let me know if it seems to mirror what you experience:

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

Let me know your thoughts.

Take care,

Joe

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Thursday, April 14th, 2022 AT 8:02 PM

TERRI GRATTON LABERGE

MEMBER
2 POSTS

Yes, we have already changed the crankshaft position sensor.

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Saturday, April 16th, 2022 AT 4:32 PM

JACOBANDNICKOLAS

MECHANIC
110,136 POSTS

Terri,

Do you know if the ignition control module was inspected? That is the component on which the ignition coils are mounted.

If possible, can you let me know what all has been done, checked, or replaced?

If the module wasn't checked, that is my next suggestion. I attached a pic below showing the part I'm referring to.

Let me know, and I hope you have a nice Easter.

Joe

See pic below.

Image (Click to make bigger)