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1998 Mercedes-Benz ML320 3.2L MIL Lamp on
Posted to European Driveability on 11/6/2004 20 Replies

I have a mercedes that is setting fuel trim codes p0170 and p0173. O2 sensor readings look normal and can't find any vac or intake leaks. Customer was told by dealer they needed a 800.00 mass air flow sensor but I haven't been able to verify this diagnosis. Ha...

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  Related Documents & Media  1998 Mercedes-Benz ML320

 
Message Closed w/FIX

car Vehicle Data

1998 Mercedes-Benz ML320

VIN 4JGAB54E4W
Engine3.2 L / 6 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0170Fuel Trim Too Rich Or Too Lean
P0173Fuel Trim Lean Or Rich (Bank 2)
Message Closed w/FIX

car Vehicle Data

1998 Mercedes-Benz ML320

VIN 4JGAB54E4W
Engine3.2 L / 6 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0170Fuel Trim Too Rich Or Too Lean
P0173Fuel Trim Lean Or Rich (Bank 2)