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change the plugs, sound like your getting to much fuel or it overloading some how . possibly o2 sensor or plugged catalic converter.

I had the same problem, check the idle air control valve located under front side of intake. Should be small rubber hose going in and coming out. IACV should be cold at start and heat up when engine coolant heats up and passes through IACV. If this unit is not hot to touch water is not passing through. A small hose barb fitting that screws into engine beside the thermostat may have a water flow restriction, remove and clean. Over time internal engine water system becomes clogged with mineral deposits.

Never use well water in system, use distilled water.

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โˆ™ 2010-01-16 14:22:16
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Q: 93 Toyota truck stalls at idle and burns real rich what can you do 2 find the pioblem?
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