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94 C280 Stumbling When Accelerating

675 Views 5 Replies 4 Participants Last post by  MB-W202
Hello. I have been having a bit of trouble with my C280 lately. Sometimes, when trying to accelerate, the car suddenly stumbles and I swear I even hear a pop in the exhaust (excess fuel being dumped?). I pulled the following codes.





I've done some research, but have found conflicting answers. Could it just be bad gas? I only run 93. Any help would be appreciated.
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Do the smoke test. These cars use copper plugs and they should be replaced every 20-30K miles. Old plugs cause all sorts of misfires. Bad eco rap wires need to be fixes too.
 
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