Mercedes Benz C280 (202) 1994 104.941 HFM - Misfire and lack of power #Archived Message
Posted by Stuart Wright on April 18, 2007, 11:29 pm
Initially misfire, lack of power, poor idle. Unable to access DTC with TEXA. DTC checked by blink code: DTC4; DTC13. MAF sensor wiring checked; MAF sensor replaced (Bosch), S/Plugs replaced. DTCs erased & engine run up to re-establish base values + 20 mile roadtest. Car now drives fine but when hot & switched off, will not restart for 10 minutes. CPS output checked & ok (1v2ac cranking), but no spark output. Does this HFM system shut down if there is a condition present that could damage the cat', or am I barking up the wrong tree?