Sentences with phrase «faulty oxygen sensor»

Keeping your engine properly tuned improves efficiency by an average of 4 percent, and repairing a major issue like a faulty oxygen sensor could improve efficiency by up to 40 percent, according the U.S. Department of Energy.

However, if all cylinders are affected, you would test, in turn: the fuel pressure regulator, fuel pump pressure, check for a clogged fuel filter, vacuum leak, faulty oxygen sensor (s) and faulty mass air flow sensor.

There are several possible sources that trigger these two codes including a faulty fuel pressure regulator, weak fuel pump, clogged fuel filter, faulty powertrain control module, vacuum leak, faulty injector (s), faulty oxygen sensor (s) and a faulty mass air...

Possible causes are an incorrect fuel mixture, incorrect timing, corroded spark plugs, a faulty oxygen sensor, sticking float, faulty fuel injector or a malfunctioning check valve.

The lack of response to the accelerator pedal has quite a few potential causes that would have to be sorted out in a diagnostic including, just as a few examples, plugged fuel injectors, faulty oxygen sensors, fuel pump and / or filter, vacuum leaks including that caused by a faulty EGR system, ignition system malfunctions, bad valve timing if the timing belt or chain is worn or skipped, blocked exhaust (e.g., catalytic converter fails or becomes clogged), a faulty airflow sensor or throttle position sensor, and so forth.

Loss of power on acceleration can be due to plugged fuel injectors, faulty oxygen sensors, fuel pump and / or filter, vacuum leaks including that caused by a faulty EGR system, ignition system malfunctions, bad valve timing if the timing belt or...

The lack of response to the accelerator pedal has quite a few potential causes that would have to be sorted out in a diagnostic including, just as a few examples, plugged fuel injectors, faulty oxygen sensors, fuel pump and / or filter,...

Not exact matches

It sounds like the engine is running very rich, it could be a limp mode because of a faulty sensor (crank, temperature, oxygen, MAF, etc).

P0421 can set if there are converter defects but there are other possible causes such as a faulty downstream oxygen sensor and / or faults in the circuit wiring to the sensor.

The potential causes of Diagnostic Trouble Code P0420 include a damaged muffler or leaks in the muffler, damaged exhaust manifold or leaks in the exhaust manifold, damaged exhaust pipe or exhaust pipe leaks, misfiring in the engine, oil contamination in catalytic converter, a faulty catalytic converter, a faulty engine coolant temperature sensor, faulty front oxygen sensor, faulty rear oxygen sensor, damaged oxygen sensor wiring, oxygen sensor wiring that is not properly connected, damaged oxygen sensor connectors, a fuel injector that is leaking, fuel pressure that is high, and other causes.

Your engine will use extra fuel and potentially damage your catalytic converter and spark plugs if you don't replace a faulty O2 sensor, which measures the oxygen in your vehicle's exhaust system.

Faulty engine start switches were behind a campaign in August 2015, then a July 2016 recall was due to faulty engine oxygen sensors.