The check engine light is part of the onboard diagnostics system and displays in several odd ways.
Check engine light on jeep compass 2012.
The 2012 jeep compass has 3 problems reported for check engine light on.
A flashing check engine light is your jeep compass s way of saying i have a serious problem don t ignore me.
In some cases you need to pull over immediately to prevent damage while in others you merely need to tighten you gas cap next time you stop in order to reset the service engine soon light.
The most recently reported issues are listed below.
Check engine light on problem of the 2012 jeep compass 34 failure date.
Flashing check engine light.
This flashing light should not be ignored.
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.
Oxygen sensors essentially check to make sure the ratio of fuel to air is correct.
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.
Car complaints car problems and defect information.
Check engine light on problem 1 failure date.
When there is too much fuel or too much oxygen going into the engine the use of this sensor can allow your car s computer to equalize the issue.
A check engine light can indicate a broad spectrum of problems with your 2012 jeep compass.
But an o2 sensor code will surely show up in a diagnostic test.
It can say check engine it can be a symbol of an engine it can even be a combination of both.
Most of the time that serious problem is a misfire.
05 03 2012 the first time the check engine light went off i drove to the dealership and it was checked and returned 2 weeks later the light turned on and the vehicle was taken back to the dealership some oil applied to the connectors and returned.
When your engine is misfiring it is dumping raw fuel into the exhaust.
If your check engine light is flashing stop driving your compass and have it towed to your nearest mechanic you probably have a very serious problem with your car and you risk ruining your engine by driving it.
Oxygen sensors fail somewhat frequently this is why it is the most common reason for your check engine light to go on.