RESETTING EARLY H. F. M. SYSTEM ON A "E" CLASS 220 1994 HELP PLEASE?.
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RESETTING EARLY H. F. M. SYSTEM ON A "E" CLASS 220 1994 HELP PLEASE?.
Can anyone tell me how you reset an early HFM system on a E220 1994?.
My engine runs very rich as if on open loop all the time. Have changed O2 senser and checked all connections. I have tried the key on.peddle to the floor and wait with no success. there must be another way on the early models?
.
My engine runs very rich as if on open loop all the time. Have changed O2 senser and checked all connections. I have tried the key on.peddle to the floor and wait with no success. there must be another way on the early models?
.
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