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Old 09-28-2013, 08:09 PM   #1
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Default 88 Lesabre Stalling

Totalled my impala last month and needed some wheels. Bought this off my neighbor for 600 dollars. I'm honestly not trying to put ANY money into this car but i need it to last until i'm back on my feet.
Problem: Once the car warms up it Sputters to an eventual stall. (I have change the crankshaft sensor to no avail)

I can start the engine cold at anytime and itll drive just fine. 2-3 miles later or 10-15 mins into the engine running no matter what im doing ill go to accelerate and the car will feel like its running out of gas. This can be at a light or while driving. Once it stalls it refuses to start without waiting 3-5 mins then the process repeats. Any ideals??
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Old 09-28-2013, 08:13 PM   #2
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I can start the engine cold at anytime and itll drive just fine. 2-3 miles later or 10-15 mins into the trip no matter what im doing, ill go to accelerate and the car will feel like its running out of gas. Once it stalls it refuses to start without waiting 3-5 mins then the process repeats. Its only stalled on me while i was in motion, and usually can be felt only when im accelerating. Any ideals??
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Old 09-28-2013, 11:19 PM   #3
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88 Buick lesabre - base
Runs and drives just fine for about 15 mins or until operating temperature THEN
Sputtering on acceleration to an eventual stall
After it stalls it'll crank but wont turn over for 5 mins
codes show
13
26
42
44
48
41
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Old 09-28-2013, 11:29 PM   #4
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12- diagnostic mode
13- 02 sensor or circuit
26- quad driver module circuit (what the hell is this?? )
41- cam sensor circuit (3.8 engine)
42- bypass or electronic spark timing (est) circuit
44- oxygen sensor or circuit - lean exhaust detected
48- misfire diagnosis
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Old 09-29-2013, 01:43 PM   #5
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the quad driver is the circuits inside the ecm that controls several power output to the different sensors. basically if something is bad in the pcm or wires on that circuit are shorting out you will get that code. also if you get that code it could be the cause of the others. i would start by looking over the wiring harness that runs from the icm down to cam and crank sensors, look for shorts, loose or broke wires, loose wires in the connectors, crap in the connectors etc.
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Old 10-01-2013, 03:06 PM   #6
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Where is the PCM and ICM located on this car? I have checked everything else and it all looks okay. I'm starting to lean towards coil packs because i have problems while accelerating. I was having bad issues with the car today. I would start it throw it in gear and would probably get 100 feet before she stalled. i would then try and start her to which she would cut off immediately. So i wait 5-10 mins and she starts again i wait 5 mins exactly no idle problems whats so ever. So i throw here in gear start driving and about a quater mile down the road she stalls again.

Coil packs warm read:
13.5
13.2
12.7

is this twelve normal? Im going to test injectors and cold coil pack now.
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Old 10-01-2013, 04:47 PM   #7
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Multi meter went as i was measuring coil packs, such luck... Checked everything that had wires that i could see from the top of the engine and sides and all checks out. The engine misfires under load. Spark plugs and Wires are new along with the crank sensor. As stated i still suspect its the coil packs but i dont know what a bad reading would be.
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Old 10-01-2013, 06:31 PM   #8
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With a quad driver code I'm sure the ECM is bad. GM ECMs were natorious for going bad in the 80'*. Is should be located under the passenger kick panel.
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Old 10-01-2013, 07:48 PM   #9
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Quote:
Originally Posted by 75 racer View Post
With a quad driver code I'm sure the ECM is bad. GM ECMs were natorious for going bad in the 80'*. Is should be located under the passenger kick panel.
Got so mad that i couldnt figure it out i forgot to put the negative terminal back on the battery. 2 hours later i reconnect the batter and now theres only two codes..

41 and 44

That Cam sensor code makes me nervous, but the O2 sensor makes me sigh.
If someone can help me pinpoint the cam sensor code that would be awsome.
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Old 10-01-2013, 08:04 PM   #10
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The cam code is most likely the magnet on the upper timing gear has fell off. Your going to need to pull the cam sensor out and rotate the engine slowly to see if its still there. If not the timing cover needs to come off and replace the magnet on the timing gear. Sorry this old girl is giving you so much trouble.
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