P0170 Diagnostic Trouble Code Discussion for October 2005
Fuel Trim Lean Or Rich (Bank 1)
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| Help Request | Posted | |
| 2000 Mercedes-Benz E320 4Matic 3.2L MIL Lamp on VIN: WDBJF82G1Y P0170: Fuel Trim Bank 1. ... what I've been reading MAF is the most common cause of these codes. I checked my MAP, the readings are normal. I checked MAF voltages, idle is 1.43 volts (good according to my Vantage Pro), but at 2500 rpm, the voltage is a little low at 1.90 v (spec is 2.... |
October 01, 2005 | |
| 1998 Mercedes-Benz ML320 3.2L codes VIN: 4JGAB54E5W P0170: fuel trim bank 1. This vehicle sets both fuel trim codes within 10 minutes of being cleared. our 4 gas is down so I dont know the readings. the exhaust pipe is coal black and and the long term fuel trim is staying at 38-40 percent but the short term tring is staying below 10 pe... |
October 06, 2005 |
