ovp and codes

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ovp and codes

09-06-2009, 01:20 PM

wrnmnro

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Join Date: Jan 2009

Location: Napa Ca

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ovp and codes

Once again, I was driving my 89 300sel when the check engine light came on. Then at idle, the idle would surge from idle to above 1500rpm. I went thru the process with the code unit...came up #4. Then I removed the fuse on the OVP and replaced...started car and no check engine light! no surge..everything running nicely. I am no electronic wizard but something is amiss. any suggestions?
Thanks
Warren

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