idles high on cold startup

my buddy at work has a '90 ranger<sorry it's not a tc!!> with the 2.3. it is a throttle body and when he starts it up when its cold out it immediatley goes to 3000rpm and will not settle down untill it warms up. if he shuts it off before the idle is normal, it wont start again. three area "mechanics" couldn't find anything. it only happens when it is cold... thanx for the help!

Very simple - replace the mechanics [Image: biggrin.gif]. Did anybody pull the codes? What were they?

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88 TC X 2, 86 SVO, Main TC with K&N, 3"DP to 2.5"duals through Dynamax, Ric valve at 17+ and disconnected KS.
Elite Bodega 16" chrome wheels. Autometer pod w/ A/F and Vac/boost gauges.140 mph Motorsports Speedo New engine: Total Seal rings and TRW pistons, ported and polished head w/ cc'd chambers,1.59"exhausts, SS valves, gutted upper, knife edged lower, A-230 cam, Race Engineering Adj Cam Sprocket, Crowlers, ARP head studs, and rod bolts. Walbro 255 HP pump and Kirban adj FPR, T-3. Centerforce II, KB subs and jack rails.

i dont think anyone pulled the codes but i will run it past him monday...i doubt any of the "mechanics" even know what that means!!

For a problem like this, the FIRST thing any mechanic should have done is pull the codes. If your mech. didnt do this right off, get a new mechanic.

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Jeff Korn

88 Turbo Coupe: Intake and exhaust mods, T3 turbo at 20 psi, forced air intercooler, water injection, bypass valve, Ranger roller cam, subframes, etc., etc.. // 86 Tbird 5.0 (original owner): intake, exhaust, valvetrain mods, 100 HP nitrous, ignition, gears, suspension, etc., etc.... // 91 Escort: Bone stock winter car // 00 Windstar (wifes vehicle)