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1991 Mercedes-Benz 420SEL 4.2L Poor Idle Quality, Cuts out, Stall
Posted to European Driveability on 2/9/2005 11 Replies

Hello. This MB likes to warm-up and die. The fuel pumps are losing power. I have been to our fix base: -i suspect that the EZL(spark module) is the problem -have cleaned connections etc... -the TD signal to the fuel pump relay, idle stabilizer and the tach in ...

11 Replies Received (View Replies)

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car Vehicle Data

1991 Mercedes-Benz 420SEL

VIN WDBCA35E9M
Engine4.2 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / CIS-E
SymptomsPoor Idle Quality, Cuts Out, Stall
OccursAlways, Hot
Message Closed

car Vehicle Data

1991 Mercedes-Benz 420SEL

VIN WDBCA35E9M
Engine4.2 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / CIS-E
SymptomsPoor Idle Quality, Cuts Out, Stall
OccursAlways, Hot