What to do if check engine light comes on on Jeep Cherokee?

What to do if check engine light comes on on Jeep Cherokee?

Once you’ve corrected the problem, removing the code is important. The steps differ depending on the age of your Jeep but are all relatively simple. If you’ve cleared the codes and the check engine lights persistently comes on, check for new error codes. Allow the Jeep to run after undergoing repair.

When to remove an error code from a jeep?

Your Jeep’s Electronic Control Module (ECM) creates and stores error codes when a fault occurs in the mechanical or electrical system. Once you’ve corrected the problem, removing the code is important. The steps differ depending on the age of your Jeep but are all relatively simple.

What should I do if my Jeep ECM keeps resetting?

If you’ve cleared the codes and the check engine lights persistently comes on, check for new error codes. Allow the Jeep to run after undergoing repair. The ECM resets itself after a number of successful ignitions that proves the fault is no longer present. Disconnect the battery cables.

What should I do about my Jeep Cherokee XJ?

Sometimes only an adjustment is needed. Usually by loosening the top adjustment bolt and the NSS turned clockwise as far as it would go, then retighten the bolt.

What causes a check engine light on a Jeep YJ?

12*: Battery or computer recently disconnected within the last 50 start cycles). This is a very common code. Will not trigger a “Check engine light”. 13**: No change in Manifold Absolute Pressure sensor (MAP) from start to run. 14**: MAP sensor voltage too high or too low. 15**: No speed sensor signal detected. 17*: Engine stays cold too long.

What is the engine code for a Jeep YJ?

Jeep check engine codes for the YJ, XJ and other OBD1 jeeps. Jeep check engine codes for the Jeep Wrangler YJ and the XJ Cherokee. These codes and video may work with other OBD1 Jeeps. When Chrysler / Jeep came up with this idea for getting the engine codes, it was a very smart move.

Can you check the engine code on a Jeep Wrangler?

When Chrysler / Jeep came up with this idea for getting the engine codes, it was a very smart move. This generation of Wranglers and Cherokees had the most simple diagnostics of any other. You need no special scanner to get the trouble code.

What causes a misfire on a Jeep YJ?

Misfire detected in one or more cylinders 1 thru 6. (4 and 6 cyls). 44*: Open or shorted condition in the engine coolant temp sensor circuit or a problem exists in the PCMs battery temp voltage circuit. 46**: Battery voltage too high during charging. 47**: Battery voltage sense input below target charging during engine operation.

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