Trouble code P0442 means:Evaporative emission control system leak detected (Small leak)
Trouble code P0442 means:Evaporative emission control system leak detected (Small leak)
How do you reset engine light on jeep liberty diesel
The engine computer controls the check engine light.
P0442- Evaporator system small leak. P0440- Evaporator system malfunction.
P0442 Evaporative Emission Control System Leak Detected (small leak)
what is this code p1491 on 2003 jeep liberty
The check engine light is reset with a scan tool after repairing the failure that caused the code.
Scan tool, will give you a trouble code as to why the computer turned the check engine light on.
You reset it with an OBD2 scan tool after it is repaired.
check gas cap replace if necessary check EVAP lines for leaks and replace if necessary. Clear engine light and run vehicle a couple of days and see if it goes away.
Check your gas cap.
My 02 liberty check engine light has blinked in the past. It was because my battery needed to be replaced. Count the number of times it blinks and search for that blink pattern online for better information.