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1991 240 Rough idle, stalls, no power on acceleration. 200 1991

posted by  TONY H on  Tue Aug 4 08:37 CST 2009
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last visit: Fri Oct 17 16:39 CST 2014
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(I DO NOT have the older car that had all the disintegrating wire harness problem, that wire is the only one that has issues).


This Crank Positioning Sensor Wire, coming up from the Flywheel area, has insulation tearing issues, All years.
http://www.fcpgroton.com/product-exec/product_id/3396/nm/1989_1993_Volvo_240_Engine_Speed_Sensor_Impulse_Sensor/category_id/116

You may want to pull the connector off the AMM and make sure All the contacts look clean and OK.

"Air Control valve" are you you refering to the AMM which is located at teh end of the accordian looking hose from the throttle body OR the Idle Control Valve that is located under the intake manifold?
I would suggest cleaning the Idle control valve but I will not clean my AMM after Mine failed one week after cleaning it. coincidence? maybe but I'm gun shy.



--
'75 Jeep CJ5 345Hp ChevyPwrd, two motorcycles, '85 Pickup: The '89 Volvo is the newest vehicle I own. it wasn't Volvos safety , it was Longevity that sold me http://home.no.net/ebrox/Tony's%20cars.htm






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