Check Engine Light On Jeep Wrangler

Be sure to keep it.

Check engine light on jeep wrangler.

When retrieving jeep check engine light codes with an obd ii scan tool proceed as follows. It can say check engine it can be a symbol of an engine it can even be a combination of both. It could be that the gas cap is not tightened enough or you have a faulty mass airflow sensor. 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.

Turn to on position without starting the jeep. But an o2 sensor code will surely show up in a diagnostic test. Items you will need adjustable wrench ignition key. Just complete the following steps.

The check engine light is part of the onboard diagnostics system and displays in a few different ways. Insert key into the ignition. The check engine light is an indicator that can only be triggered if there is an error with one or more sensors or parts of the jeep. 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.

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. 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. Connect scan tool to the 16 pin data link connector dlc located near the steering column. Once those steps are completed all lights on the dash should.

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. 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.