Check Engine Light On Jeep Wrangler

There are many things that could trigger the check engine light on the jeep wrangler.

Check engine light on jeep wrangler.

Items you will need adjustable wrench ignition key. 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. 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. The check engine light is part of the onboard diagnostics system and displays in a few different ways.

But an o2 sensor code will surely show up in a diagnostic test. Be sure to keep it. Connect scan tool to the 16 pin data link connector dlc located near the steering column. 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.

Once those steps are completed all lights on the dash should. Turn to on position without starting the jeep. It can say check engine it can be a symbol of an engine it can even be a combination of both. When retrieving jeep check engine light codes with an obd ii scan tool proceed as follows.

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. 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. The connector may have a removable cover. It could be that the gas cap is not tightened enough or you have a faulty mass airflow sensor.

Just complete the following steps. One of the most typically misunderstood lights or indicators in your 2017 jeep wrangler is the check engine light. Insert key into the ignition.