Registered: Jun 2003
Location:
Posts: 1586

quote:

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Originally posted by Amos & Buster
I had an 89'six cylinder and drove with the check engine light on for over a year. My truck stalled one day while driving and needed to be towed to the garage. Driving with a bad o2 sensor caused the computer to die (So the mechanic said-and I am fairly confident in him). And a used computer and installation cost me around $450.00 to fix. O2 sensor cost around $25 to 30 tops!

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Registered: Oct 2007
Location: Iowa
Posts: 463

quote:

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Originally posted by Englishman
A bad 02 sensor cant cause your computer to go bad. When an 02 sensor goes bad it causes your fuel/air mixture ratio to become either rich or lean. This causes your vehicle to either run a little rough or use more gas. It just isnt possible for an 02 sensor to cause the computer to die. Especially on an older OBD I system.

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Registered: Jul 2003
Location: Wentworth, North Carolina
Posts: 80

Had an 89 light stayed on 200,000 0f the 300,000 miles i got out of it. sold it and its still running today. dont worry about it.

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Registered: Jun 2003
Location: vt
Posts: 1256

quote:

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Originally posted by kwhick
Had an 89 light stayed on 200,000 0f the 300,000 miles i got out of it. sold it and its still running today. dont worry about it.

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Registered: Oct 2008
Location: Hoosier State
Posts: 90

True, an O2 Sensor won't kill your computer, but will cause the vehicle to stop running. Have repaired many at the shop I worked my dad owned when Iwas younger. We got alot of vehicles we had to tow in for that problem. We had the actual Sun Code tester with full diagnostics system. Checking the codes and replacing early before it becomes a major problem can save you alot of money in the long term. Usually you will find it to be a quick and inexpensive fix if caught early, compared to a tow bill and repair.

Brandon

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Registered: May 2007
Location: Hartwell, Georgia
Posts: 178

Had the same thing with mine a while back, opened the hood, pulled the fuse for the 02 sensor and it went away but then would come back on. I ran two tanks of gas through it with fule injector cleaners and have not seen the light on since and that was several months ago. JMO but a cheap try anyways

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Registered: Dec 2003
Location: East Texas
Posts: 3970

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Originally posted by marvgru
maniac is correct most likely a sensor, just check the oil to be safe, Try turning the key off while driving, resets it. If truck runs good and lite is still on put a piece of black tape over the lite!lol!

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Registered: Jun 2003
Location: vt
Posts: 1256

Not a safe thing to do, on some models doing this will activate the steering lock

tell the truth richard- did you do it -?? LOL


i had a ford truck-- that would quit running, wiggle the key just rite would fix it - ---- thats how i know bout the steering lock

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