P0170 Diagnostic Trouble Code Discussion for April 2005
Fuel Trim Lean Or Rich (Bank 1)
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| Help Request | Posted | |
| 1997 Kia Sephia GS 1.8L Poor Idle Quality, Cuts out, MIL Lamp on VIN: KNAFA125XV P0170: Fuel System Too Rich or Too Lean (Bank 1). after engine reaches operating temp,and coming to a stop,the idle drops low and stalls intermitantly,the short term fuel trim for bank 1 is -6 to -16 at times at idle,i can create a vacuum leak and the fuel trim tries to return to normal |
April 05, 2005 | |
| 2000 Mercedes-Benz CLK320 3.2L Hesitation, Surge, Cuts out, MIL Lamp on VIN: WDBLJ65G5Y P0170: fuel trim bank 1 lean. Vehicle sets lean codes intermittently and customer complains of hard stumble and lack of power. Fortunately vehicle acted up with a fuel pressure gauge attached pressure was @ 20psi (tested when ok- 55psi- volume pumps 1 gal in 50 seconds released through fue... |
April 07, 2005 |
