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car idle is rough till warmed up?

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Old 06-06-2001, 11:22 PM   #1
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Join Date: Jul 2000
Location: Corning, NY
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car idle is rough till warmed up?

My tpi car idles really rough until it seems to warm up. It will run and sometimes quit until its warm any ideas?

flowmaster,afpr,coolant by-pass,ex.cutout,ported plenum,hyp.chip,cold air intake,airfoil,mod.maf
160 thermostat,hyp tech fan switch, B&M shift Kit,
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Old 06-07-2001, 12:21 PM   #2
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Join Date: Mar 2001
Location: Doghouse ииииииииииииииииииииииииииииииииииииии Car: 1989 Formula 350 Vert Engine: 350 L98 Transmission: 700R4 Axle/Gears: B&W 3.27
Posts: 13,317
I had a similar problem, my 87 Formula would run for a few seconds, and stall, restart would run a little longer, It would stall several times before it would actually start to run ok, but the idle would be unstable. Finally, when it was warm, it would begin to run really well.

Turns out it was the temperature sensor on the front of the intake. Paid $13.00 for the sensor and I no longer have the problem.

87 Formula 5.1 converted to TPI Yellow/Black
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Aluminum Driveshaft
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Baer 12" brakes 4 wheels
Hotchiss strut tower brace
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87 Formula TPI (5 Speed) Yellow/Gray STOCK

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