0
What else can I help you with?
Will faulty O2 sensor cause check engine light to come on on 2002 ford expedition?
Yes, a faulty O2 sensor will cause the check engine light to come on. Many auto parts stores will plug in an ODBII code reader to your Expedition to get the "trouble code" that tells you which sensor (there are 4) is faulty, free of charge.
How do you solve check engine light cause by speed sensor?
Replace the faulty speed sensor and the light will reset itself after a short drive.
What happens if the oxygen sensor goes bad?
The check engine light will illuminate. The code(s) will direct you to the faulty sensor.
Can unplugged mas cause check engine light?
Yes, an unplugged sensor can cause a check engine light.
Check engine light on The garage says its the o2 sensor if there is more than one how do you tell which if faulty Would a faulty o2 sensor also cause it to run very lumpy?
make sure your gas cap is secure, I know it sounds crazy, but you would be surpized.
What are the most common causes of check engine light malfunction?
The most common causes of check engine light malfunction are a faulty oxygen sensor, loose or faulty gas cap, or a faulty catalytic converter. These are all easily fixed problems.
Will a faulty coolant sensor make your car overheat?
Yes, a faulty coolant sensor can cause your car to overheat. The sensor provides critical information about the coolant temperature to the engine control unit, which regulates the cooling system. If the sensor fails, it may not signal the need for additional cooling, leading to overheating. Additionally, it can trigger the check engine light, indicating potential issues within the cooling system.
Can a faulty fuel sending unit cause check engine to come on?
Not that I know of.
How do you tell a bad 02 censer?
The check engine light will illuminate if you have a bad O2 sensor. The code set will lead you to the faulty sensor.
Why does the engine light keep coming on for the crankshaft sensor when it was replaced?
Faulty sensor get it replaced if not check to make sure wire isn't shorting out
On a 2002 f150 check engine light is on with only 53000 miles?
* It could be a faulty check engine light or a light sensor problem . There's probably not a problem with the engine at all just the faulty sensor light problem most likely. * ----------------------------------------------------------------------------------------------------If your check engine light stays on with the engine running , a malfunction with the emission control system has been detected. Have your vehicle scanned for any trouble codes in order to diagnose and repair the problem. ( I had a check engine light come on at 35000 miles - in my case it turned out to be the DPFE sensor )
Will a bad knock sensor affect the engine?
Yes, a bad knock sensor can negatively affect engine performance. It can lead to improper timing adjustments, resulting in knocking or pinging, which can cause engine damage over time. Additionally, it may trigger the check engine light and impact fuel efficiency. Overall, addressing a faulty knock sensor is important for maintaining engine health.
