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post #1 of (permalink) Old 12-27-2003, 09:33 PM Thread Starter
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tbi help

i have been getting a service engine soon light for a while and need to know what pins to cross to get the trouble code to come on. and who has a list of trouble codes so i can get this problem fixed? all help will be appreciated. truck is an 88 tbi 454.
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post #2 of (permalink) Old 12-27-2003, 10:15 PM
FlexinMyCj7
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Re: tbi help

Just look into your chiltons manual it will be in there somewhere and it will also tell u what codes mean what [img]images/graemlins/RockOn.gif[/img]
post #3 of (permalink) Old 12-27-2003, 10:17 PM Thread Starter
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Re: tbi help

believe it or not, my wife(ya, quit laughing) just told me this 10 minutes ago when she called. hadn't gotten off my arse to go outside(kinda cold) to get the books yet though. Thank you though.
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post #4 of (permalink) Old 12-28-2003, 08:21 AM
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Re: tbi help

i dont care much for that method of reading codes, never tried it and never will. I have axcess to scanners that are 200 times better than that

if you can get axcess to snap on scanner or any diagnostic equpment then go that route.


is the service engine light come on and stay on or come on at certain times then go away froawhile then come back on later.
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post #5 of (permalink) Old 12-28-2003, 02:27 PM Thread Starter
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Re: tbi help

within a mile of driving it normally comes on and stays on until i turn the truck off. only two times has it shut off while driving. This has been going on for well over a month and i just never had the motivation to do anything about it. Also, when i ground the diagnostic port, the Idle Air Control on the TBI itself comes on. Not sure if that means anytihng, but thought i would throw it in there.
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post #6 of (permalink) Old 12-28-2003, 09:30 PM
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Re: tbi help

without plugn it into a scanner or being there seeing the truck, Id sugest getn a new o2sencor.
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post #7 of (permalink) Old 12-28-2003, 11:05 PM Thread Starter
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Re: tbi help

the O2 sensor seams to be the main thing that trips the SES light on these trucks. I picked up one of the 20 dollar scanners from walmart today and will try it out tomorrow to see if it works.
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post #8 of (permalink) Old 01-23-2004, 10:45 AM
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Re: tbi help

Hello,

I was to lazy to bend the paper clip, so I paid the $30 for the "scanner". For me my truck is my driver and hobby. I did forget to mention that I also read my wiring diagrams when needed, and manually test stuff with the VOM.
More I do it more I learn about it. [img]images/graemlins/cool.gif[/img]
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