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P0170 Diagnostic Trouble Code Discussion for June 2010

Fuel Trim Lean Or Rich (Bank 1)

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Trouble Ticket Help Requests for DTC P0170
Help Request Posted
2001 Mercedes-Benz C320 3.2L Poor Idle Quality, Hesitation, Surge, MIL Lamp on, idles too high VIN: WDBRF64J21
P0170: Fuel trim malfunction bank1. This car has had this problem for a while and, the customer has been doing his own trouble shooting and after replacing a bunch of expensive parts he gave up and brought it to me. the only code I have gotten so far is a P2004/P0100 maf senosor. MAF readings ar...
June 14, 2010
1995 Lexus ES300 3.0L Hesitation VIN: JT8GK13T3S
P0170: fuel systerm problem lean found leak. Hi to all... This car was brought to me by an old co-worker of mine. He had done an engine swap for his neighbor because of a blown head gasket I think. The new motor locked up on the highway for reasons unknown so now the third motor is in this car. I got the...
June 26, 2010
1999 Mercedes-Benz C230 Kompressor 2.3L MIL Lamp on, sluggish VIN: WDBHA24G0X
P0170: fuel trim. Intake system is full of oil. Supercharger is low on oil. I know that it needs a mass meter, but if I clean the hoses and replace the mass meter, it will probably foul again. I cannot find any oil lines going to the supercharger...it seems to have its own self...
June 29, 2010