Once those steps are completed all lights on the dash should.
Check engine light on jeep wrangler.
Turn to on position without starting the jeep.
There are many things that could trigger the check engine light on the jeep wrangler.
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.
Items you will need adjustable wrench ignition key.
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.
Insert key into the ignition.
Be sure to keep it.
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.
It can say check engine it can be a symbol of an engine it can even be a combination of both.
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.
But an o2 sensor code will surely show up in a diagnostic test.
Push the key in and turn it to off and then to on three times leaving it in the on position.
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.
The connector may have a removable cover.
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 retrieving jeep check engine light codes with an obd ii scan tool proceed as follows.
Just complete the following steps.
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.