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Old 02-05-2002, 12:52 AM
Posts: n/a
rough idle at operating temp.

I would like to request some help with my 1989 560SEL. It has had a rough idle at after it is warmed up since I bought it at 122k. I had the valves, injectors, fuel distrubutor. intake gaskets plugs changed with no improvement. The fuel distributor has been replace as well. I am frustrated with taking to shops and dealers as I have spent easily 10k chasing this issue to no avail.

I would sure appreciate any help. I have a reasonable mechanical background and am not intimidated by working on the car myself.

Also I should mention the smog pump is frozen, and removed at this time. I may replace it but I can't imagine this would be part of the problem.

Any and help appreciated.

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