P0171 Engine Trouble Code
When you check engine light came on code P0171 the reason should be Fuel injection system does not operate properly.. However your vehicle's manufacturer may have a different definition for the P0171 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.
P0171 if your catalytic convertor fails completely, you eventually won't be able to keep the car running. Your gas mileage will also be terrible, so you should try and fix it as soon as you can. Unfortunately, the average replacement cost is around $2,000 and you can't do it yourself unless you're an experienced mechanic.
P0171 Code Meaning :
|OBD-II Diagnostic Powertrain (P) Trouble Code For Engine||Intake Valve Control Solenoid Circuit Low||Engine Oil Temperature Sensor Malfunction||Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)||Glow Plug/Heater Circuit 'A' Malfunction|
Is the fuel pump sometimes not priming when you turn the key to ON(II)? Start by measuring the fuel pressure and checking whether you have bright white-bluish spark at all four plugs. The mechanical timing is also something that you should check, as we mentioned above.
P0171 OBD-II Diagnostic Powertrain (P) Trouble Code DescriptionP0171 OBD-II Trouble Code With the Air/Fuel Mixture Ratio Self-Learning Control, the actual mixture ratio can be brought closely to the theoretical mixture ratio based on the mixture ratio feedback signal from the heated oxyge P0171 code.
Reason For P0171 CodeThe reason of P0171 OBD-II Engine Trouble Code is Engine Oil Temperature Sensor Malfunction.
P0171 code on vehicles with electronically controlled automatic transmissions, the 3-4 shift solenoid is responsible for actuating the hydraulic circuits to activate clutches or bands that change gears inside the automatic transmission.