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Kevins4
08-14-2005, 07:22 PM
So i bought a truck and the last couple days i have been drive it around, when im sitting at a light idleing the truck likes to surge. it revs up and down like it wants to go and im give it no gas. what could it be thats making it do this

C-Dog
08-26-2005, 09:43 AM
if it is fuel injected it could be the throttle position sensor

this is chevy country on a quite night you can hear a ford rust

redline
08-26-2005, 10:04 AM
unplug the tps while its running and if it stops reving up and down the its the tps. if that dont work do the same with the o2 sensor.

CITYSLICKER
08-26-2005, 10:48 AM
[iagree] HAD SAME PROBLEM ONCE

MY SOLUTION -- RIPPED OUT 350 PUT IN A '97 454 VORTEC

'89 chevy 1500 2001 F350 axles 5.13 gears rear Detroit '97 vortec 454 BB 4L80E tranny 39.5 boggers 12" of lift custom front bumber

trd_tom
08-26-2005, 10:53 AM
my toyota has done that both the head gasket went. I am not sure what the gasket problem had to do with it.

90 4runner 2" body 33" Mud brutes and mostly black

Import guy's replacement for displacement............gears gears and more gears

Rebulon Refurbulater
08-27-2005, 07:59 PM
vacuum leak./....!!!!![8D]

91 F-350 Long box,standard cab,dual tanks,1200 lb up front,8000 lb out back,hi-steer,5:13's detroit in back,lockright in front.42"irocks on 16" steelies....work in progress!
Wheelin',Workin',........oh yeah....Sex!