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1989 Mercedes-Benz 420SEL 4.2L Surge
Posted to European Driveability on 5/13/2013 3 Replies

With one exception all socket box tests are good, the exception being ECT, ohm values are perfect both sides of sensor KOEO, with the key on the fun starts,the CIS side voltage drops to about half, the KOEO ref. voltages are just under 5 volts, it will not go ...

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  Related Documents & Media  1989 Mercedes-Benz 420SEL

 
Message Closed w/Summary

car Vehicle Data

1989 Mercedes-Benz 420SEL

VIN WDBCA35E3K
Engine4.2 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFuel Injection / CIS-E
EmissionsOBD1
SymptomsSurge
OccursCold
Message Closed w/Summary

car Vehicle Data

1989 Mercedes-Benz 420SEL

VIN WDBCA35E3K
Engine4.2 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFuel Injection / CIS-E
EmissionsOBD1
SymptomsSurge
OccursCold