Ford Mustang Forum - View Single Post - Check Engine Light 2001 V6
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post #6 of (permalink) Old 11-17-2005
SHELBY GT 500 Member
V6 Member
kscoyote's Avatar
Joined: Aug 2002
Location: Topeka
Posts: 11,432
Originally Posted by blackfang
I strongly disagree!!

Take it to autozone and have them scan it for free. You nor the guy above knows why that light went off. He made a BS assumption, yes I call BS because he did not diag it. Plus his assumption is a shot in the dark.

It could be the fuel cap not tight, throwing an evap code, or you might have other issues. Just because you put gas in it and the light came back on doesnt mean its an 02.
I drove a company crown vic for 5 years, with the CEL flickering. Finally took it in, it was an oxygen sensor.

If it's the fuel cap, it'll go away . . .

it could be something else, but you'd have degraded engine functionality. It wouldn't behave normally.

If it behaves normally in every other way, 9:10, it's an oxygen sensor.

I wouldn't worry about it -take it to the dealership for your next oil change, or autozone to run the code, but it's generally not anything big at 40,000 miles.

Woe to him who builds his palace by unrighteousness,his upper rooms by injustice,making his countrymen work for nothing...Does it make you a king to have more and more cedar?Did not your father have food and drink?He did what was right and just,so all went well with him. He defended the cause of the poor and needy,and so all went well...But your eyes and your heart are set only on dishonest gain,on shedding innocent blood and on oppression and extortion. Jer 22:13, 15-17
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