need some advice
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New User
Joined: Aug 2012
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need some advice
hello i have a 1990 ford bronco
my problem is when i start the truck every runs fine or seems to but when put my foot on the gas i get no rpm's
it just stay's at idle not really sure but do you think its the tps at all and advice wouild be great thanks
my problem is when i start the truck every runs fine or seems to but when put my foot on the gas i get no rpm's
it just stay's at idle not really sure but do you think its the tps at all and advice wouild be great thanks
Hotshot
Joined: Jul 2002
Posts: 14,285
Likes: 12
From: Bend,OR
pull the intake tube off the throttle body and have some one watch the intake to make sure its openning when you press the throttle. i have a feeling your cable is either snapped or something not hooked up. the tps wouldnt keep the truck from reving, it doesnt have that kind of control.
The Southernmost Mod
Joined: Dec 2004
Posts: 6,902
Likes: 20
From: Caracas, Venezuela
Yep, broken accelerator cable is the most probable cause. Follow it from the pedal into the firewall and then into the throttle body. If it's clamped somewhere, or any of the plastic fittings seems broken, then you might have the cause. Do what Chem said, if the intake doesn't move when you step on the pedal the cable is definitely broke.
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New User
Joined: Aug 2012
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thanks for the reply's i have checked the cable it is fine i have taking up the slack so its doing good
i tested the tps and the max i seem to be getting is 0.30 when its at wot i will replace it and try that i'll keep you guys updated
thanks again
i tested the tps and the max i seem to be getting is 0.30 when its at wot i will replace it and try that i'll keep you guys updated
thanks again
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Elder User
Joined: Jan 2012
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From: Viva Las Vegas
Jsut out of curiosity what would it do if the TPS was not working?
On my system if the TPS does not work it won't rev, it will just sit at idle.
On my system if the TPS does not work it won't rev, it will just sit at idle.
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Thread Starter
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New User
Joined: Aug 2012
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ya the truck just sits at idle nothing happens when you step on the gas if the tps is bad and so would seem to be the case at the moment the computer cant get anything right it becomes in easy words dumb as a door nail.
Elder User
Joined: Jan 2012
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From: Viva Las Vegas
Hmm, interesting, mine is a Holley after market and it would not rev, it ran like crap and obviously lean but no revs. The stock system may operate different however.
It was the TPS, replaced it and all was better.
It was the TPS, replaced it and all was better.
Lead Driver
Joined: Sep 2002
Posts: 9,182
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From: Gateway to the West
The terms "Holley" and TPS in the same post defy logic to me... Or am I missing something and Holley has decided to wreak havoc on EFI systems by making EFI system components as well as they make carburetors?
Lead Driver
Joined: May 2009
Posts: 6,804
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From: Tobyhanma, PA
Figured I was just out of "times"
and Holley makes simple sensors now