my check engine light just popped on yesterday for the first time ever the car still runs good what could it be


Asked by Dec 12, 2013 at 11:13 PM about the 2000 Mercury Grand Marquis LS

Question type: Maintenance & Repair

how do I know what too check can someone give me a general idea were to look

5 Answers

You DID NOT stop at the first click, but proceeded to "TOP IT OFF"...well this fills up the carbon canister....the evaporative emissions systems no longer has control turning on the check engine for a month...never filling more than the first click and your problem will go away~

17 of 17 people found this helpful.

Have the codes read. Your local auto parts store will do it for free. Post codes back on here and we will be able to help you more.

7 of 7 people found this helpful.

if you did invest in a fourteen dollar OBD-II handheld scanner, it'd show the trouble code for evaporative emissions charcoal canister fault~

4 of 4 people found this helpful.

the code p04o2

1 of 1 people found this helpful.

How to reset my check engine after fixing my 98 mercury grand marquis

1 of 1 people found this helpful.

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