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Re: 89 S10 4.3 Need help troubleshooting TBI/IAC Idle issue
Two of us (at least) think it could be a temperature sensor problem and that is why we mentioned it.
It is very common for the temp sensor to read the wrong resistance. You should test it.
When the engine is running there should always be fuel getting sprayed in the throttle bores. It should look equal on both sides. No fuel should drip out the injectors once the engine is turned off.
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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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