2
votes
1answer
186 views

O2 Sensor Error after replacing spark plugs?

Ford Taurus 2004 Sedan SES DOHC. (The car is actually in the shop right now and I told him to hold off until I get more info.) Took the car to the local shop to get the spark plugs replaced. Because ...
2
votes
1answer
248 views

2002 Ford Focus CEL blinked for a minute and then turned off

I have a 2002 Ford Focus with around 100k miles on it. I just brought it back from the mechanic for a fuel pump replacement. As this question shows. Anyway I was driving around going uphill when I ...
1
vote
2answers
961 views

Key cycling to determine cause of check engine light

The check engine light is on in my 1989 Ford E250 Econoline van. I heard from a mechanic (who changed my oil) that there's a "key cycling" process that will cause the light to flash in a certain ...