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4.3 idling problem
OK guys, I have searched before I am posting a question here. I have a 4.3 TBI in a 88 S10 blazer. The other morning the truck would not start without giving it gas and would not idle on its own. When warm , the truck would idle, but about 500 rpm below normal and then sometimes would shut down. When driving the vehicle the response is there, but at idle it is not.
I have checked the computer for codes but none are there.
Is it possibly the EGR valve?
Is it the TPS
Is it the IAc?
WOuld any of the above be bad and not give any codes?
Any assistance is appreciated
Thanks in advance
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