Using contaminated fuel can cause an engine misfire which will turn on the check engine light. A faulty gas cap can for sure turn on the light.
Faulty catalytic converter, or sensors in exhaust faulty
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.
Take your 2002 Ford Ranger to the garage to get the engine checked.
Fuel is cold and fuel tank sending unit is probably going bad or a faulty connection
Not that I know of.
The check engine light on a 1999 Ford Ranger is between the full mark of the gas gauge and the left turn signal arrow
Yes.
Yes. Your Check Engine light or Service Engine Soon light.
there are many components that will display the check engine light if they are faulty. Go to a local mechanic and have them scan the computer. They will display the component that is faulty.
A faulty gas cap could cause the check engine light to come on but it would not cause a rough idle or engine noises. Start with having your local auto parts store read the codes. The codes will help determine why the check engine light is on.
A check engine light means you have a possible problem with the emission system , you should get the Ranger scanned for trouble codes to diagnose and repair the problem . Once the problem has been repaired the check engine light can be reset.
If the check engine light stays on , a malfunction with the emission control system has been detected , have your Ranger scanned for any trouble codes to diagnose and then repair the malfunction