There are pages and pages of things that can cause a check engine light. You need to have it checked with a scantool. Then the code can be diagnosed and repaired.
There are pages and pages of things that can cause a check engine light. You need to have it checked with a scantool. Then the code can be diagnosed and repaired.
After fixing the cause of the trouble code, you clear code with a scan tool.
A person can rest the check engine light on a Jeep Wrangler by disconnecting the battery. This will also rest other warning lights on the dash.
There are pages and pages of things that can cause a check engine light. You need to have it checked with a scantool. Then the code can be diagnosed and repaired
The check engine light is not controlled by a relay, the bulb is grounded directly by the engine computer.
A 2002 Jeep Wrangler does not have a reset switch.
No. Check engine lights didn't start in the Wrangler until the MPI system came out for the 1991 model years. For both the 4 and 6 cyl engines.
The engine light is on when the engine computer has detected a malfunction and set a trouble code.
That will require a scan tool after the cause of the code has been repaired.That will require a scan tool after the cause of the code has been repaired.
Check engine light would appear.
You could but the check engine light will always be on.