Check Engine Light On Jeep Wrangler

Turn to on position without starting the jeep.

Check engine light on jeep wrangler.

Try as we may to keep our jeep vehicles running in perfect condition odds are the vehicle will throw a code and light up the check engine symbol at some point along the way. It could be that the gas cap is not tightened enough or you have a faulty mass airflow sensor. The check engine light is part of the onboard diagnostics system and displays in a few different ways. One of the most typically misunderstood lights or indicators in your 2017 jeep wrangler is the check engine light.

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. When retrieving jeep check engine light codes with an obd ii scan tool proceed as follows. Connect scan tool to the 16 pin data link connector dlc located near the steering column. But an o2 sensor code will surely show up in a diagnostic test.

Basically what this means is your jeep s computer has detected some sort of problem with a part or system on the vehicle and is letting you know via the malfunction indicator light check engine light. Insert key into the ignition. 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. Be sure to keep it.

Push the key in and turn it to off and then to on three times leaving it in the on position. The connector may have a removable cover. 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. Once those steps are completed all lights on the dash should.

There are many things that could trigger the check engine light on the jeep wrangler. Items you will need adjustable wrench ignition key. A failing oxygen sensor also known as an o2 sensor is one of the most common reasons for that jeep check engine light to come on.