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1999 Mercedes-Benz ML430 4.3L MIL Lamp on
Posted to European Driveability on 2/10/2010 13 Replies

Hi Friends.

I am not a Mercedes expert, but this was a referral and since we have a slow spell, I took on the job. I have not installed any parts on this vehicle and do not intend to until it is diagnosed.

The short story is that the customer decided to re...

13 Replies Received (View Replies)

  Related Documents & Media  1999 Mercedes-Benz ML430

 
Message Closed w/FIX

car Vehicle Data

1999 Mercedes-Benz ML430

VIN 4JGAB72E2X
Engine4.3 L / 8 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways
Misc.Fails OBD Testing

Trouble Codes

P0135Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction
P0136Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction
P0141Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction
P0155Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction
P0156Heated Oxygen Sensor (Bank 2 Sensor 2) Circuit Malfunction
P0720Countershaft Speed Sensor Circuit Malfunction
Message Closed w/FIX

car Vehicle Data

1999 Mercedes-Benz ML430

VIN 4JGAB72E2X
Engine4.3 L / 8 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways
Misc.Fails OBD Testing

Trouble Codes

P0135Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction
P0136Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction
P0141Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction
P0155Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction
P0156Heated Oxygen Sensor (Bank 2 Sensor 2) Circuit Malfunction
P0720Countershaft Speed Sensor Circuit Malfunction