U300E – All makes

//U300E – All makes

Code : U300E
Marque : All makes
Description : U300E Ignition Input On
Causes possibles :

- Download the CarDiag application and monitor the health of your vehicle :

- Buy the CarDiag device :

- Please note :
Did you know that in most cases, the check engine light comes on even without a fault or because of a minor fault ?
And yes, the electronics can be fickle and can detect "failures" without incidence : poor fuel quality, fuel tank cap improperly closed, low oil level or even a faulty sensor.
Thanks to a free mobile app CarDiag, find out if you can continue driving without any problem.

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