think i finally fixed it

zigbigadoru · August 3rd, 2008, 11:45 PM

so my idle has been all messed up, as in it hung at like 1500rpm every time i used the clutch. so i finally just went to murrays and got a new tps and hopefully that fixed it. btw can you adjust the old tps, cuz i couldnt figure out how.

97GT4.6 · August 4th, 2008, 12:38 AM

You also might want to clean your IAC and MAF as well, that can also make it idle and run better.

zigbigadoru · August 4th, 2008, 01:06 PM

it wasnt that, seeing as i have alrdy tried it.

97GT4.6 · August 6th, 2008, 12:29 AM

If you get a 40 dollar IAC spacer, that will help it drop to idle a lot faster. im gonna buy one.

steeda98 · August 6th, 2008, 12:34 AM

check the screw on ur throttle body and the cables too..mine did the same when i replaced my tb with a 75mm..it was the cable gettin stuck...but im really not sure with ur issue

97S281 · August 6th, 2008, 04:11 PM

no, the tps is not adjustable.

ModularSteed · August 7th, 2008, 04:55 PM

Originally Posted by 97S281

no, the tps is not adjustable.

+1

Trick Tuners · August 8th, 2008, 05:11 PM

My bet is that the TB plate needs to be closed a little more. Especially if the problem started after messing with the TB. You may also have a vacuum leak, so rule that out if you were not messing with the TB, but did mess with the motor. The TPS can slightly be adjusted due to some slack in the bolt holes. If you punch out the metal inserts, you can adjust it more. It really needs to be between about .93 and .99V, but less than 1V and you should be fine. The ecu will calibrate it on every startup and all TPS calculations are based off of closed throttle.

August 3rd, 2008, 11:45 PM	#1
zigbigadoru Hardcore Enthusiast 97 Mustang GT slower than the speed of smell Join Date: Feb 2008 Location: rochester hills, MI Posts: 2,249 iTrader: 1 reviews	think i finally fixed it so my idle has been all messed up, as in it hung at like 1500rpm every time i used the clutch. so i finally just went to murrays and got a new tps and hopefully that fixed it. btw can you adjust the old tps, cuz i couldnt figure out how.

August 4th, 2008, 12:38 AM	#2
97GT4.6 Hardcore Enthusiast 97 GT 14.2@99.8 @ 4800 ft Join Date: Oct 2007 Location: Fort Collins and Pueblo, Colorado Posts: 2,347 iTrader: 1 reviews	You also might want to clean your IAC and MAF as well, that can also make it idle and run better. __________________ Cammed 2v Built By MustangMatt More mods than times your daughter has slept around

August 6th, 2008, 12:29 AM	#4
97GT4.6 Hardcore Enthusiast 97 GT 14.2@99.8 @ 4800 ft Join Date: Oct 2007 Location: Fort Collins and Pueblo, Colorado Posts: 2,347 iTrader: 1 reviews	If you get a 40 dollar IAC spacer, that will help it drop to idle a lot faster. im gonna buy one. __________________ Cammed 2v Built By MustangMatt More mods than times your daughter has slept around

August 6th, 2008, 12:34 AM	#5
steeda98 Regular 1998 Mustang GT Join Date: Feb 2008 Location: Kansas City Posts: 73 iTrader: 0 reviews	check the screw on ur throttle body and the cables too..mine did the same when i replaced my tb with a 75mm..it was the cable gettin stuck...but im really not sure with ur issue __________________ P.I. H/I,TF Stage 1 cams, Comp valve springs and retainers Steeda headers O/R X w/ SLP LM1 JLT CAI w/75mm TB and Plenum, Koni Adj. Steeda plates, lower control arms, rear strut brace,3:73, FRPP driveshaft, SCT tune, TF Underdrive Pulleys

August 6th, 2008, 04:11 PM	#6
97S281 Rollin' 18/ pushin' 2 1997 Saleen S281 Join Date: Feb 2007 Location: The lost highway Posts: 6,673 iTrader: 13 reviews	no, the tps is not adjustable. __________________ MODS IN GARAGE NCMM ORIGINAL BLOWN 96-98 CREW MEMBER # 1

August 4th, 2008, 01:06 PM	#3
zigbigadoru Hardcore Enthusiast 97 Mustang GT slower than the speed of smell Join Date: Feb 2008 Location: rochester hills, MI Posts: 2,249 iTrader: 1 reviews	it wasnt that, seeing as i have alrdy tried it.

August 8th, 2008, 05:11 PM	#8
Trick Tuners MM Fanatic KB'd GT Join Date: Nov 2006 Location: San Diego Posts: 4,467 iTrader: 3 reviews	My bet is that the TB plate needs to be closed a little more. Especially if the problem started after messing with the TB. You may also have a vacuum leak, so rule that out if you were not messing with the TB, but did mess with the motor. The TPS can slightly be adjusted due to some slack in the bolt holes. If you punch out the metal inserts, you can adjust it more. It really needs to be between about .93 and .99V, but less than 1V and you should be fine. The ecu will calibrate it on every startup and all TPS calculations are based off of closed throttle. __________________ Check out my forums for stuff on troubleshooting, tuning, etc We teamed up with Socal Performance Racing to bring dyno tuning to San Diego. Be friends with us on FB

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