2010年5月3日 · i have 2001 volvo s40. today, suddenly, Check Engine Light on and i have it diagnosed and there are P0131 and P0171.

2017年8月26日 · So yesterday, I change the PCV OIL TRAP – VALVE COVER Part No. 31319642 on my 3.2L and cleared/reset the P0171 and P0174 System Too Lean codes and …

2006年4月18日 · Update:P-0172= Volvo code 231/232 Long term fuel trim Idling Upper limit. Possible sources: Mass flow sensor bad,Low fuel pressure,Air leak,Faulty Pulsation …

2007年6月1日 · I have a 1999 Lexus RX 300. The engine light came on and the local auto shop plugged in and came up with this: "P0171 bank 1 system 2 lean" Any ideas?

2011年2月1日 · I have a 98 toyota tacoma with the 2.7L 4 Cyl motor. I bought this truck about a month ago, with the knowledge of two check engine lights. One was P0420, and the other was …

2021年11月13日 · P0171 OBD-II Trouble Code: System Too Lean (Bank 1) P0171 code definition System Too Lean (Bank 1) What the P0171 code means The P0171 OBD-II code means that, …

2022年2月23日 · The computer (PCM or ECM) keeps the engine from running too lean or rich this way. The PCM monitors the needed pulse width (PW) and compares it to a chart stored in the …

2021年5月22日 · Symptoms: When I open the gas cap, not much vapor is trying to escape anymore (lack of the usual sound) P1457 → EVAP Control Sys Leak (Canister side) High …

2017年1月27日 · I continue to have issues with a p0171 code showing lean, but it goes off and on. I would say it’s on 70% of the time and off 30% of the time. I have hit it with carb cleaner …

2007年7月2日 · My newly-purchased 1965 P1800 produces excessive heat in the passenger compartment. The heat switch is in the “off” position. I’m not sure whether this is coming from …