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Re: 1990 5.0 TBI wants to die after engine warms up
Last complete tuneup? You did wires....how are the plugs? Cap and Rotor? Check coil output with a spark tester?
I would clean the IAC and passageway....also clean the throttle plate and bore.....might even try adjusting the throttle plate a hair open more, while adjusting the TPS sensor(usually is play in the mounting).....i.e. whatever the TPS reading is before adjusting the stop on the throttle plate, after you open the plate a little, adjust the TPS back to the original reading.....
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