95 S 420 V8,RUNS RICH,NO POWER
10-24-2011, 01:01 AM
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2000 S 500 MERCEDES BNZ
95 S 420 V8,RUNS RICH,NO POWER
HI,I HAVE A 95 S420 140 CHASIS.IDLES FINE,BUT SEEMS TO RUN RICH.HAS NO ACCELERATION.NO FAULT CODES.REPLACD BAD ENG.WIRING HARNESS,AIR MASS SENSOR.STILL HAS NO POWER.CHECKED EXHAUST,OK..ANY SUGESTIONS .....THANKS FOR YOUR HELP...
10-25-2011, 11:05 AM
#2
MBWorld Fanatic!
Could be a plug fouled or coil,but it would have rough idle.Check for large vaccum leak.Connectors loose?
