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New Injectors, now idle problem

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Old Oct 1, 2000 | 11:10 PM
  #1  
ADMZ24's Avatar
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From: illinois, united states
Car: 1991 Trans Am
Engine: 305 TPI
Transmission: 700R4
New Injectors, now idle problem

I have a 1991 T/A, WS6, TPI 305. I was having trouble and took it to my local dealership. It turns out I had two bad injectors. I repalced these injectors myself tonight. The first time I started it up, the idle was at about 1500 rpm's. It wont come down for anything, I drove it around, but it still idles extremely high. I am clueless. HELP
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Old Oct 2, 2000 | 12:34 AM
  #2  
gta324's Avatar
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Joined: Aug 1999
Posts: 2,441
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From: sweden
Car: GTA -89
Engine: Blown 415"
Transmission: 4L80E
Axle/Gears: Strange 12-bolt
Try a TPS and IAC adjustment, https://www.thirdgen.org/newdesign/tech/tpimod2.shtml

------------------
GTA -89:Free flow muffler,dual 3" HF cats, Edelbrock headers, Vette heads, 1.52 RR 7/16, ZZ-9 cam, Big Mouth, AS&M LTB, ported plenum, 52 TB, MSD 6AL, TPIS level V prom, Mod .MAF, Superior shift-kit and some minor mods. and more to come!
http://www.itv.se/tacs/members_cars/m279/m279.html (Swedish Trans Am Club)
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Old Oct 2, 2000 | 02:19 PM
  #3  
MrMike99's Avatar
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Joined: Aug 1999
Posts: 37
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From: Bremerton, WA, USA
It could easily be a Vacuum leak. Try a Vacuum gage/listen for the whistle!!
If after you are SURE there are no vacuum leaks, then do the IAC/TPS adjustments.
Mike
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