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Old 06-11-2006, 10:36 AM
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JimF JimF is offline
'94 S500: only 793 sold!
 
Join Date: Mar 2001
Location: San Diego, CA
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Quote:
Originally Posted by lturchin
. . . . the following occurred: the RPM in park surged from a normal idle of about 1000 to 1500-2000 and then the engine seemed to slow back down and surge back up between those values for about 30 seconds before dying.

Started it back up and got the same.

Decided to rev the engine a bit and see what would happen. After that, I just put it drive, and kept my foot on the brake so the car wouldn't lurch and waited. The engine stayed alive and we took it on the freeway to see if that might help things. We stopped about 10 miles later, went into another store, came out 10 minutes later. This time, no problems.

LTurchin California
Classic sign of a bad ETA as fz500 says.

Read the stored DTCs and see what you get?? Probably DM#6 code: "Idle speed faulty"??
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