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Old 02-19-2009, 09:18 AM   #21
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Cam sensor shouldn't cause the symptoms.

Heading back to reread.

Edit..did you miss me? LOL
You mention something about a coolant code. Please fill us in more on that. If you have an air pocket or bad t stat, melted wires going to the coolant sensor or a bent pin on the new sensor this can also cause running issues. Uaually to a lesser degree, but heck..I'm willing to give anything a try.

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Old 02-19-2009, 02:50 PM   #22
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I think you hit the nail on the head Bill...

"You mention something about a coolant code. Please fill us in more on that. If you have an air pocket or bad t stat, melted wires going to the coolant sensor or a bent pin on the new sensor this can also cause running issues."

I think i had the "air pocket" issue. I had actually replaced the coolant temp sensor a while back and had drained the coolant down. About 2 days ago I had to add about half the volume of the overflow tank to get back up to the max level. I never have been a stickler for following the exact refill procedure. I did vent the coolant system of air via the small screw fitting above the Tstat, but I probably had some air left in it. I did inspect the thermostat at this time and it looked fine. The Tstat is releasing the coolant back into the radiator at about the correct temp (felt by squeezing the return line).

The car ran fine today. No issues. But, I've had a good day before followed by a bad day. So, if I make it over the weekend without a stall, then I will call it fixed. I'll post more info as I get it.

Thanks guys!
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Old 02-19-2009, 03:20 PM   #23
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I wouldn't rule a bad fuel pump as far as the stalling goes.
Reason why I say this is because I had a very similar problem with my SSE about a year ago.

The fuel pump will act up like you described when it'* going bad. When it'* cold its fine. But when its warmed up or hot it cuts out stalling the car. Also when you go around corers the gas is off to one side of the tank and when you have a worn out pump it will die around corners.

But mind you mine did have good days and bad days before it totally took a dive south.

Thats what I know.

Todd.

Also how does your fuel pump sound when you key it up?

Does it sound slow or like its Groaning?

Have you ever checked your fuel pressure when this happens?
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Old 02-19-2009, 03:48 PM   #24
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Initially, I thought it was the fuel pump...

I rented a gauge from Autozone and checked the pressure. That'* when I replaced the fuel pressure regulator. It was slightly off spec before I replaced the regulator. I haven't had a gauge on it when it is acting up, but the pump spins up just fine at key on. I'll keep it in mind.

thanks again for all the help guys...
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Old 02-19-2009, 04:03 PM   #25
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Having never been a stickler on the fill procedure either..I doubt the stalling is the coolant being a little low unless you overheated or didn't heat enough.

C'mon..gimme the code.
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Old 02-19-2009, 04:29 PM   #26
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Oh, the code! sorry...

I keep getting a P0128... Engine Coolant Temp Sensor or Coolant Temp Below Thermostat Regulating Temperature...

I never got it before i switched out the Dexcool.. but, i've been getting it since i did the swap (about 4 times now in a 2 month period).
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Old 02-19-2009, 05:36 PM   #27
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Ahhhh I was hoping to see that code.

Here'* a great site that has nearly all the DTC codes and the diagnostic aids and FSM procedure for resolving the code.

GearChatter.com :: View topic - DTC P0128

I'm thinking that maybe the pcm doesn't see the car hitting the proper temps and therefore is overfueling and running poorly that ends up causing it to stall. That'* a hunch though and not normally what happens when people have this code. Something is screwy though and next up is probably looking at the pcm.
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Old 02-23-2009, 10:31 AM   #28
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As of this morning, I have not had any stalls over the weekend. So, it appears that it WAS the MAP sensor. The bonnie has been driving great. I've had alot of mileage on it and a good bit at very low RPMs without any issues.

Hope this helps someone out with stalling issues. Again, I think that the MAP sensor went bad after it received a nice hot spray of Dexcool antifreeze during the loss of my plastic coolant elbows (a frequent issue with these 3.8L bonnies).

If the stall comes back, i'll correct my post. But, as of this morning, no issues!
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