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If it was actually caused by a loose cap, it will reset itself in a few days.
Reset the Check Engine Light by disconnecting the battery for about 10 minutes.
Replace your gas cap and reset the code.
go to your dealer and they will fix it for you.
GAs cap is more than likeky the problem, tighten the cap remove the emc fuse to reset the check engine light/ or tighten the cap and then take neg battery cable off for 5 mins to reset light
I replaced a broken Gas Cap 2 weeks ago and the Check Engine Light came on 1 week ago. I got the code P4055 today - and am hoping that the New Gas Cap will fix the problem. How can I reset the Check Engine Light?
My 2006 xA engine light will periodically come on even thought the gas cap is on. When that happens, I remove the cap and replace it double-clicking it to make sure it is sealed tight. I'm going to try and clean the gasket on the cap and where the gasket seals on the tube to remody the problem.
how do you turn off or reset the check fuel cap light on a 1997 Mazda b 2300 2.3 4 cylinder engine.
There is no reset button or procedure for the Check Engine light. The CE light is reset with an OBD2 scan tool. If the gas cap was just loose, then just tighten it, (3 clicks), and after you drive for a few driving cycles the CE light should go off. If it does not then the loose gas cap may not be the problem. This will require the ECU to be scanned with an OBD2 scan tool.
As long as it was full of oil when you cranked it, you did no damage whatsoever. The check engine light came on because the ECU detected a problem with the emissions system which was the cap missing. Have the check engine light reset and you will be fine. You can disconnect the negative battery cable for 5 minutes which may or may not reset the light. If not, it will have to be reset with an OBD2 scan tool.
with a scan tool after the repair has been completed.
The simplest answer is find a shop like halfords and purchase a service light resetting switch around £ 25.00. There is a a black round cap that you unscrew in the engine bay left side. You know when you have it as the pins when you remove the cap match the switch. Just follow the instructions with the switch.