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Old 12-22-2019, 04:18 PM   #1
Tony
 
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Default Thanks for allowing me to join, really need some experienced guidance

I have a 97 ext cab, manual transmission d21 pickup. Someone "helped me out " by adjusting the throttle body (the two screws on the back). One appears to be a "stop" screw and has a spring around it..the other seems to connect the part that the cable hooks into with the part that opens the butterfly. I have no idea where to begin in getting them back as they were, and would really like to gain an understanding as to their function. I'm unable to drive the truck as it is so a fast reply will be appreciated beyond words. Thanks in advance to anyone who is able and willing to help
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Old 12-22-2019, 08:03 PM   #2
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Those 2 screws you describe sound like the physical stops for the throttle cable. They are not really meant to adjust the idle.

Go down to the Service Manuals link in my signature below, find the 1997 section, and download as much of those as you can. The throttle body section should be listed in the EC section, so snag that one first. There is a wealth of information there.

If you have more questions, tell what section and what page you are on, so that everyone knows what you are talking about.

Posting pictures obviously helps, but I have not found a decent way to do that whenever I browse this site on my phone (I'm on a PC at the moment).
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Old 12-23-2019, 04:12 PM   #3
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Welcome to the site. If you remove the TPS, be aware that it is spring loaded and needs to be installed with tension on the spring. Easy to do. You will need a voltmeter/multimeter as well.
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Old 12-24-2019, 02:51 PM   #4
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did you have a high idle?? if so, maybe the "thermo element"
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Old 12-24-2019, 03:26 PM   #5
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Quote:
Originally Posted by YEPEE View Post
did you have a high idle?? if so, maybe the "thermo element"
He has the 1997, George. Isn't the thermo element part of the throttle body system?
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