Check Engine Light On Jeep Wrangler 2013

Since the 1980s many vehicles have been built to be run by the engine computer unit ecu which controls vehicle s drivetrain and auxiliary systems based on input from the vehicle s sensors this computer will make adjustments to your vehicle s performance to keep your ride running smoothly.

Check engine light on jeep wrangler 2013.

Insert key into the ignition. Turn the engine on. The 2013 jeep wrangler has 10 problems reported for check engine light came on. Tl the contact owns a 2013 jeep wrangler.

How to check an engine code. Replace the positive clamp to the positive battery terminal and tighten the bolt with the wrench. For jk wranglers checking the engine code is a relatively simple task. When your jeep throws up a check engine light it means something is amiss and it has detected some mechanical problem with a component or an electrical signal error in the jeeps system.

The code is very vague since you ll never know what it means unless you have the service manual or an obd scanner that can give you more detail about the code. The engine warning light will flash and then turn off. Just complete the following steps. My 92 jeep wrangler 4 0 started doing this about a week ago when i first start it up it runs rough like it s running out of gas the rpms goes up and down the check engine light comes on.

Turn to on position without starting the jeep. Push the key in and turn it to off and then to on three times leaving it in the on position. And the tricky thing with the o2 sensor is that the car will continue to drive well so you might want to dismiss the light. But an o2 sensor code will surely show up in a diagnostic test.

This light is the centerpiece of your vehicle s on board diagnostics system obd. Service engine soon other than the heater not working as good the only other symptom of p0128 is typically the service engine soon light itself. Put the key in the ignition and turn it to the on position for about five seconds. The contact reduced speed to about 20 mph and was able to get their vehicle to a nearby pepboys where a certified mechanic diagnosed that the vehicle had a misfire cylinder 6 and that it needed to be repaired.

Jeep wrangler fixing p0128 is usually a pretty easy thing to do since 90 of the time it s going to be the thermostat that is throwing the code.