Question about 1996 Oldsmobile 88
My oldsmobile 1996 88, gets off every once a while when driving; specially at slow speed or stop.. Crankshaft position , camshaft , MAP, MAF, IAC and Throttle sensors are already replaced... check engine light is now off but the car continues stalling at slow speed or stop.. wire set also is new and coils set...
Something else to check..? or do I need to fire it.. Please help..!!
The problem sounds like the solenoid that locks up the torque converter. This will not set a code or turn on the check engine light. The car will restart each time after it stalls. This will happen when you are comming to a stop or turning a corner. At times, you can start the car in neutral but when you put it in drive or reverse, it will again stall.
This can also happen after you have driven the car and parked it. When you restart the car, it may stall when you try to drive it because the solenoid is still locked from when you pulled into the parking spot.
Try to free it up by driving the car about 32 mph in drive (drive with the square around the D) where the overdrive and lock up torque converter will work. At 32 - 34 mph, pull the shifter down to the next Drive (D without the box around it) and you should feel the bump of the torque converter unlocking. Then put it back into the upper drive location and you will feel it lock up agian. Repeat this about 20 times and see if this does not help. These can start becomming mechanically "Sticky" and cycling them 10 - 30 times can help.
There is also a 6 wire connector on the forward (front of the car) side of the transmission. This connector might be dirty. Clean it with electrical contact cleaner (spray type) and reconnect it to the transmission. This connector is probably not the problem but worth lookign at anyway.
There is also a small port in the valve body of the transmission that if plugged, it can cause this problem. I feel it is most likely a "Sticky" soleniod that locks up the torque converter and makes the car stall just like comming to a stop in a standard transmission car without pushing in the clutch.
Posted on Jul 27, 2009
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