Thread: 1994 C280 diagnostic tool
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  #12  
Old 02-20-2006, 06:02 PM
GeneN GeneN is offline
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Join Date: May 2003
Location: Charlotte, NC
Posts: 31
If you clear the codes and the Check engine light goes out; then comes on again with DIFFERENT codes, make sure you check the OVP relay. A faulty OVP relay can cause that type of symptom.
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GeneN
Charlotte, NC
1994 C280 135K
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