ok i cleaned my maf sensor...tps is at .998, iac is completely clean and less then a year old.....throttle body is clean...i even cleaned my 10 pin connectors..i re-set base idle and i still get a surge.. its an 89gt..i have a 73mm mass air flow unit with a sensor for my 24# injectors..i belive the maf unit and sensor came from a 94-95 cobra...could that cause a problem with my computer ( a9l ) i also checked for vacum leaks and have none ( PROPANE TEST)..i re-placed the iac about 8 months ago it was from autozone ( wells) would i be better paying for a genuiene ford iac? thanks
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308 performer rpm heads, b-cam, cai, msd6a, cobra intake 65mm tb,mac 1 5/8 shortys, custom 2 1/2 inch h pipe with 40 sereis flows, 373's, cobra maf and injectors, 190 pump and mallory regulator. painted pearl white
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idle surge still !!! - 
