1999 Mercedes-Benz ML320 3.2L Poor Idle Quality, MIL Lamp on
Customer Complaints that when cold has to hold accelerator so engine wont die. After worms up, it idles ok. Recently MIL light on with codes PO 170 Bank 1 and PO 173 Bank 2 fuel trim
FIX posted 11/15/2005
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Message Closed w/FIX
Vehicle Data1999 Mercedes-Benz ML320
Trouble Codes
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Message Closed w/FIX
Vehicle Data
1999 Mercedes-Benz ML320
VIN | 4JGAB54EXX |
Engine | 3.2 L / 6 cyl / GAS |
Trans | 5-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, MIL Lamp On |
Occurs | Cold, Idle |
Trouble Codes
P0170 | Fuel Trim Too Rich Or Too Lean |
P0173 | Fuel Trim Lean Or Rich (Bank 2) |