my buddy just picked up a 91 eagle talon 5 speed, it has an aftermaket turbo, exhaust, and its running on 14lbs but can handle 20 easy. once he got it home and turned it one it idles funny. hell start it and it will just jump from 1000 rpms to 1200 and back to 1000 like it has a choke problem. put a new choke on it and still did it. what could the problem be? need any more info just ask
Maybe a vaccum line
2003 2.2 ecotec turbo 250 whp 247tq
thats what i thought but when we looked at it almost EVERY SINGLE vaccum line is gone and capped off
check out some dsm sites. there are many how to's that will get you going.
like vfaq.
A new choke? wtf???
What is being used for spark and fuel management?
fortune cookie say: better a delay than a disaster
Check the coil packs, my buddies 90 had the same problem.
wow, everyone really? none of those are your problem.
its the idle speed control sensor (isc) or the fast idle air valve. i have a shaved throttle body for this reason. blocked out all the isc/egr/fiav passages with inside the throttle body and used sheet steel to make a new gasket with a block off channel for the lower half of the trhottle body controls.
but i bet money its the isc
The Boost Creep (ECOsleeper) wrote:wow, everyone really? none of those are your problem.
its the idle speed control sensor (isc) or the fast idle air valve. i have a shaved throttle body for this reason. blocked out all the isc/egr/fiav passages with inside the throttle body and used sheet steel to make a new gasket with a block off channel for the lower half of the trhottle body controls.
but i bet money its the isc
+1
Kill list:03 eclipse, 06 GTO, 04 Mach 1 Mustang
^i knew the answer, i just forgot what it was called. that makes it run so smooth when its fixed!
WiGM-Tuners member.
^x2, but i quit running one because they are hella gay sometimes.
The Boost Creep (ECOsleeper) wrote:wow, everyone really? none of those are your problem.
its the idle speed control sensor (isc) or the fast idle air valve. i have a shaved throttle body for this reason. blocked out all the isc/egr/fiav passages with inside the throttle body and used sheet steel to make a new gasket with a block off channel for the lower half of the trhottle body controls.
but i bet money its the isc
so what exactly do i do to fix it?