accessing engine codes
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New User
Joined: Jun 2004
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accessing engine codes
Recently the check engine light came on in my '97 f-150, the next day it went off again, so I though it may have somehow worked itself out. No such luck, a few days later it came on again and has been on since. Does anyone know the prodcedure for performing the self diagnostic and then a list of the codes to determine the problem? Thanks for the help.
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New User
Joined: Jun 2004
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I stopped by auto-zone yesterday and as soon as I pulled into the lot the check engine light went off!! I decided to get it diagnosed anyway just in case the engine code was still in the computer. The code readout was P0133 which if I remember right is a slow oxygen sensor response or something like that. The guy at auto-zone said that I should try replacing the oxygen sensor first and see if that solves the problem. If not, he suggested that I may have to replace the wiring going to the o2 sensor. Would this be something fairly easy to replace myself or should I just take it into the garage? Thanks for everyones help. By the way fourthfordtruck, it is the 5.4 with about 60,000 miles.Thanks
Senior User
Joined: Apr 2002
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From: Schaumburg, IL
Here's what it says for that code:
P0133-HO2S Sensor Circuit Slow Response (HO2S-11)
Contaminated HO2S sensor
Exhaust leaks
Shorted / open wiring
Improper fueling
MAF sensor
Deteriorating HO2S sensor
Inlet air leaks
I'm sure someone here will be able to give you more specific guideance.
P0133-HO2S Sensor Circuit Slow Response (HO2S-11)
Contaminated HO2S sensor
Exhaust leaks
Shorted / open wiring
Improper fueling
MAF sensor
Deteriorating HO2S sensor
Inlet air leaks
I'm sure someone here will be able to give you more specific guideance.
