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Idling too fast---fixed 200 1989

This morning I decided to go after the problem of a too-fast idle on my new 89 244. First stop--idle stabilizer. It was dirty inside, so I cleaned it. Tested it by connecting to 12V---worked normally. Had a look inside the intake boot. Found an oily mess. the throttle body was really nasty, so I took it off and cleaned it thoroughly. The smaller of the two holes for the vapor recovery system was completely blocked with crud. While it was off, I set up the throttle position switch, which appeared to have been correctly adjusted in the first place. Also cleaned the intake boot. Took off and cleaned the breather box (oil separator) and flame trap hoses. they were as bad as the throttle body. Went to put it all back together, found the culprit---the short linkage piece between the throttle cable drum and the lever on the throttle shaft was adjusted way too short (by well over 1/8") which kept the throttle from returning all the way to the stop. This prevented the throttle position switch from making contact, so the idle stabilzer wasn't engaging. Reassembled everything, adjusted the linkage rod so there was no tension on it in either direction (it rotates freely from side to side) started it up and it worked perfectly.






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New 1 Idling too fast---fixed [200][1989]
posted by  Blue Horse  on Wed Mar 26 16:14 CST 2008 >


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