Engine Code P0171 Simplified A Beginner's Guide to Troubleshooting

p0171 is a lean code. The condition is detected by the oxygen sensor, which is analyzing exhaust fumes. The oxygen sensor reading has everything ... That's a lean code. Any unmetered air that gets in the system can cause that as well as low fuel pressure. If your canister hose was loose ... P0171 means a fuel system running lean on Bank 1. Our expert mobile mechanics can diagnose and fix your P0171 trouble code wherever you are. In the most literal sense, the P0171 code means “System Too Lean (Bank 1).” This trouble code points to a lean running engine condition on the ... Recently I was driving my car home from a 2hr road trip when my "Check Engine" Light came on. The code that popped up said that my system was ... P0171 is a "System too lean" error code. This is caused by the engine receiving more air than fuel so it compensates by adding more fuel ... For example, code P0170 could mean the right cyl. bank could be running either lean or rich and the same for code P0173. They want you to read ... The P0171 code is linked to your car having clogged fuel injectors, implying the engine controller is sensing a lean state. If the injector is ... A dirty or faulty MAF sensor can send incorrect information to the ECM, causing the engine to run lean and trigger the P0171 code. Faulty Fuel ... It is a code related air/fuel mixture that the engine is creating. To lean means that there is too much air compared to the amount of fuel being ...