The P1491 code on a 2003 Jeep Liberty indicates a problem with the EVAP (Evaporative Emission Control) system, specifically related to the leak detection pump. This code typically points to a malfunction in the pump itself or issues with its electrical connections. As a result, the vehicle may not properly detect fuel vapor leaks, which can lead to increased emissions and potential failure during emissions testing. It's advisable to inspect the pump, wiring, and related components to address the issue.
what is this code p1491 on 2003 jeep liberty
Trouble code P1491 means: Radiator fan relay control circuit
It goes into limp mode when the computer detects a problem and sets a code. Have it checked for codes.
Try disconnecting the battery for about 10 minutes or have vehicle scanned to determine problem and have codes cleared
Have vehicle scanned to determine the problem
You need to go to a shop that has a scanner and they can retrieve the codes and diagnose the problem for you.
liberty
Have vehicle scanned to determine problem and have codes cleared
Thermostat sticking. Replace thermostat and gasket.
Have vehicle scanned to determine the problem and have codes cleared
A 2003 Liberty does not have a cabin filter.
2003 AXA Liberty Bowl - 2003 TV was released on: USA: 31 December 2003