'85 240GL low idle

Old 06-18-2005, 02:53 AM
Thread Starter
Join Date: Jun 2005
Posts: 1
Default '85 240GL low idle

Hi guys,

Had a search through the forums and couldnt find anything on this so I thought Id ask:

My 1985 240GL has a low idle. In park its only just acceptable (~800 on the taco) and in drive the engine is almost stalling. I have replaced the distributor cap with no effect and have also tried adjusting the idle speed using the adjustment **** under the intake plenum also to no effect. In the manual it says to ground a blue and white test lead near the battery before adjusting the idle speed but I can't find this lead anywhere!

Can anyone tell me exactly where the blue and white test lead is to adjust the idle speed?


Old 06-18-2005, 12:04 PM
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Join Date: Sep 2004
Location: Orlando, Florida
Posts: 36,351
Default RE: '85 240GL low idle

The first thing you should do id clean the throttle body and idle motor then take it from there.
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