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)
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)
Finding oil on your spark plugs can mean bad news for your engine, but don’t panic yet, as it may not be as bad as you think. There are many reasons why oil can find its way onto the spark plugs. Most of the time it can be caused by a leaking valve cover or spark … Read more How To Diagnose and Fix Oil On Spark Plugs (With 6 Common Symptoms)
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?
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)
A bad catalytic converter can wreak havoc with your car or truck. The symptoms of a bad catalytic converter can be hard to pin point, as they are similar to many other common engine problems. Most of the time a clogged catalytic converter will need to be replaced, but sometimes you might be able to extend … Read more What Are The Symptoms Of A Bad Catalytic Converter?
The Exhaust Gas Recirculation Valve (also known as EGR) is a key component of the secondary emissions control system. The symptoms of a bad EGR valve will leave your engine running badly or maybe not at all. The job of the exhaust recirculation valve (EGR valve) is to reduce the nitrogen oxide (NOx) emissions by means … Read more Symptoms Of A Bad EGR Valve
A bad mass air flow sensor is often the likely culprit if your car isn’t running as it should. The symptoms of a bad mass air flow sensor include low engine power, poor fuel economy, an engine that won’t start, a check engine light on the dash and a gas smell from the exhaust fumes. The job … Read more Bad Mass Air Flow Sensor? (7 Symptoms with Fixes)
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)
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?