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Originally Posted by newr
Update
I still have one last problem – Engine stalls immediately after start. Sometime it goes like this when I start the car. Right after it starts and release of the key, the RMP would go up to about 1500 right after start then drops right down to 100-200 RPM like it would just drop dead, then shoot back up 800 RPM then becomes stable at around 650RPM. The entire process takes about 3 seconds when idle becomes stable.
I ordered and installed a new ICU and did not really notice anything. Except that when it stalls immediately after start, the second try ALWAYS start her right up. Previously I may have to try a few times.
Do you have any idea with my last problem?
Thanks
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There was a problem with this on 201 124 and 126 's..........
There's a Bulletin # DD07.3-90071. Engine Shakes At Idle.
This suggests checking continuity of socket 16 of CIS-e control unit (N3.) to connector X26 pin 10....this might apply to your situation..it's the gear selector recognition circuit.
Must also check frequency control is in factory spec's as correction by the ECU will cause hunting idle speeds.
.....I 'spose you checked all the simple stuff like plugs/wires/cap/rotor etc ?
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