P0171 System Too Lean (Bank 1)

P0171

What Does Engine Code P0171 mean?P0171 meaning: fuel delivery running too lean (bank 1)Most common cause: dirty MAF, fuel pump, or oxygen sensor.Risks for the engine/driver: HIGH. You may damage engine components.Emissions severity: HIGH. The car won’t pass the emissions control.Estimated repair time: 1-2 days.Estimated repair cost: $200-300 The engine code P0171 is stored in memory when … Read more P0171 System Too Lean (Bank 1)

Symptoms Of A Bad Oxygen Sensor (And How To Diagnose and Fix The Problem)

bad oxygen sensor

A bad oxygen sensor is not good news for your car’s engine or your pocket. The job of the O2 sensors on your car are to monitor the gases coming out through the exhaust. This information is then used by the engine management module to adjust the air to fuel mixture to enhance the efficiency … Read more Symptoms Of A Bad Oxygen Sensor (And How To Diagnose and Fix The Problem)

What Are The Symptoms Of A Bad Fuel Pressure Regulator?

bad fuel regulator

The fuel pressure regulator is an important part of the fuel delivery system. If your car won’t always start or is running rough, then a bad fuel pressure regulator may be the problem.  Jump To A Section 9 Symptoms Of A Bad Fuel Pressure RegulatorWhat Is A Fuel Pressure Regulator?How Does A Fuel Pressure Regulator … Read more What Are The Symptoms Of A Bad Fuel Pressure Regulator?

What Are The Symptoms Of A Bad Ignition Coil? (And How To Diagnose And Fix The Problem)

Symptoms Of A Bad Ignition Coil

Most engines have at least four ignition coils, on for each spark plug. They are responsible for generating the high voltage current needed to power the spark plugs that start the combustion process.  The symptoms of a bad ignition coil include engine misfires, a rough engine idle, a decrease in power, poor fuel economy and an … Read more What Are The Symptoms Of A Bad Ignition Coil? (And How To Diagnose And Fix The Problem)

How To Diagnose and Fix A Bad Throttle Position Sensor (With Common 10 Symptoms)

bad idle air control valve

The Throttle Position Sensor (also known as TP sensor or simply TPS) is the sensor that is connected to the throttle body of your engine that keeps track of how open the throttle body is. The symptoms of a bad throttle position sensor include: poor fuel economy, lack of engine power, a rough engine when idling, … Read more How To Diagnose and Fix A Bad Throttle Position Sensor (With Common 10 Symptoms)

What Causes A Steering Wheel To Shake?

causes of steering wheel shake

Why Does My Steering Wheel Shake While Driving?A steering wheel that shakes while driving is usually a symptom of something wrong with your car’s front wheels, tires, suspension or bakes.  It’s important to figure out what’s causing the steering wheel shake, as the problem is likely to get worse over time and will adversely affect the handling … Read more What Causes A Steering Wheel To Shake?