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Originally Posted by dayo5
The Car is driving fine, all the fluids seem fine, I filled up on regular gas?--Could that be it? I don't want to have to go to the dealer for a diagnostic (with the car running fine), any ideas? please help
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I just got a CEL on my 2000 C280. Two easy things to first check are the gas cap and the air filter. My CEL would cycle on for a few days and then off for a few days. AutoZone and maybe Pep Boys have free tool loan so I checked out a code reader and pulled the codes. It indicated problem with the drivers side rear sensor (there are 4). While I waited for the part, the CEL continued to cycle on and off. I changed the part Sunday, light stayed on Sunday and did not come on with todays start. So hopefully the problem is solved.
glenmore
1991 300CE
2000 C280
1990 LS400