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10-10-2003, 05:26 PM
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#1 |
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Registered User
Join Date: Jun 2003
Posts: 34
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TPS Adjustment
87 Chevy Suburban 350/700R4 with factory TBI. I used to have the specific on how to adjust the throttle position sensor, but cant seem to find them. Can anyone help me out?
Got the voltmeter, but can't seem to find the proper voltage reading and/or the sequence for adjustment. Any help is appreciated. Geoff 
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10-10-2003, 05:35 PM
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#2 |
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You get what you pay for
 
Join Date: Dec 1999
Location: Cherryville, NC
Posts: 4,798
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I'm pretty sure all 87's had non adjustable TPS's. I know the one on my 87 van was. It's just a matter of removing the old and screwing on the new one.
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Mike 1985 Chevy C-10 |
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10-10-2003, 05:48 PM
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#3 |
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Registered User
Join Date: Jun 2003
Posts: 34
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OK. How can I lean out the mixture at idle??
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10-10-2003, 05:53 PM
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#4 |
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You get what you pay for
Join Date: Dec 1999
Location: Cherryville, NC
Posts: 4,798
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You can't. Everything is computer controlled. No adjustment you can do. You can't even adjust the idle speed. I can't stand the mess myself. I'm a hands on type of guy. I can't take it not being able to adjust anything.
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10-10-2003, 05:59 PM
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#5 |
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5-7 dropped 87 CC Dually
Join Date: Sep 2003
Location: bay city mi
Posts: 326
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Go to WWW.thirdgen.org It shows you how there. Plus everything else you ever want to know about tuning and modifying your TBI. Very cool!
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I rather be in my 77 Sanger Picklefork Jet Hydro! |
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10-10-2003, 06:01 PM
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#6 |
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5-7 dropped 87 CC Dually
Join Date: Sep 2003
Location: bay city mi
Posts: 326
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Ervin you can play with thse TBI's. Go check out the site
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I rather be in my 77 Sanger Picklefork Jet Hydro! |
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10-10-2003, 07:31 PM
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#7 |
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Registered User
Join Date: Jun 2003
Posts: 34
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That's it!. I just couldn't remember the voltage setting, but the process is pretty simple. Thanks a bunch for the help!
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Linear Mode
