Idle issues

HiMightyDrake

New Member
Oct 28, 2021
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I just recently bought a 91 mustang 5.0 (my 83 got totaled) it was running great when I bought it a few weeks went by and now the idle is dropping really low when stopped it’ll even die at times I replaces the tps and iac checked for vacuum leaks and cleaned the throttle I don’t know what else it could be any help would be appreciated
 
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90sickfox

Wasn't a pretty sight...and I've got big hands
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Mar 2, 2015
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Pull the codes. Did you do a base idle reset with the spout disconnected ? There a procedure that needs to be done when you replace the TPS or IAC.
 
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