Top 7 reasons your check engine light is on 1.
Cause of engine light on.
Occasionally the check engine light comes on when nothing is wrong with the car said steve mazor chief automotive engineer for the auto club of southern california.
Head to an auto parts store and have them run a diagnostic to find the cause of the check engine light.
One sensor has a loose electrical connection or is damaged.
Oxygen sensor needs to be.
Believe it or not the most common reason the cel will.
7 non compatible aftermarket alarm.
A loose fuel cap is one of the most common reasons why the check engine light turns on.
4 faulty ignition coil.
It could be a temporary.
Your oxygen sensor measures the amount of unburned oxygen in your.
Gas cap is loose damaged or missing.
Schedule auto repair email for free estimate auto repair coupons.
3 faulty catalytic converter.
In general five common malfunctions can cause the check engine light to come on and some of them are simple to fix yourself.
5 reasons your check engine light may be on your oxygen o2 sensor needs to be replaced.
The cap is a crucial part of a car s fuel delivery system.
Todayâ s modern cars trucks and suvâ s are very carefully monitored for fuel economy.
Let s take a look at the most common issues.
It notably prevents gasoline fumes from leaving.
Your gas cap seals the fuel system and helps maintain pressure within the fuel.
6 bad mass air flow sensor.
1 faulty oxygen sensor.
Loose or damaged fuel cap.
You have a bad.
A steady light means there s no immediate cause for alarm but you should still get it checked out.
5 bad spark plug.