Re: '89 350 tbi 5 speed stalling and surging idle
Check the coolant temp sensor on the intake manifold. The computer uses the coolant temp to determine how much fuel to inject and how fast the idle speed should be.
There is test information posted at the thread:
http://67-72chevytrucks.com/vboard/s...d.php?t=379142
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For those of you that are wondering why you are not getting replies to your thread:
Did you give the model, year, engine, fuel system type, and transmission information?
If it is modified from what came stock from the factory, let us know that too.
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