I have a 1987 half ton 4 wheel drive with a 350tbi. Swapped the 350 for a 454 out of a 1993 g30 van. Kicking the water temp sensor code, runs good cold but stalls when it warms up. Swapped computers, replaced egr valve, new water temp sensor, coil and distributor. Any ideas as to what I've missed?
If the engine is not warming up, the thermostat should be changed out.
Thanks, but forgot to mention that was already changed out as well.
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