how can i reset the check engine light after i havw corrected the problem?

Asked by Nov 01, 2015 at 11:18 AM about the 2007 Chrysler PT Cruiser Touring Edition

Question type: Maintenance & Repair

The check engine came on because of low oil level. I added oil. The car runs fine. The light is still on.

6 Answers

20

Unhooking the battery terminal will typical clear the codes.

2 people found this helpful.
116,315

your best option is to have it reset using a scan tool, most parts stores can do this, sometimes disconnecting a battery cable can set off the antithieft system, so make sure you know how to turn it off before disconnecting a battery cable. the other option is you can remove all of the ECM and KAM fuses and wait a few minutes before putting them back in. HTH

110,265

Buy a code reader or have a mechanic reset it. An auto parts store might do it for you as well.

1 people found this helpful.
20

how does the fuel economy works cos my car is drinking all my fuel Chrysler PT Cruiser

2 people found this helpful.
116,315

After the system goes into closed loop the O2 sensors feed information to the computer on how much oxygen is still in the exhaust gasses, then the engine rpm, throttle position, engine vacuum demands, amount of air movement incoming, engine spark advance, all that just to give you the best possible mileage and power possible. So everything need to be functioning properly or it fails horribly. HTH

Replace the pcu, anyone can replace it. Google how to. I have good luck internet/ flag ship they'll even program it to your vin number. For 150. Total cost, a dealership wants 1850. Pcu controls the injectors , how much fuel, the spark , timming, o2 sensors, everything electrically, in your pt. Even the transmission shifting .

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