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Hey everyone i'm proud owner of a 2013 Mustang GT premium coupe (47k miles) with a manual 6 speed transmission; or at least i was when i purchased it 10 days ago. Everything was fine for first 500 miles until i was driving home from work the other day. I was merging onto the freeway at a fast...

I bought this GT from a friend that installed an aftermarket intake manifold, throttle body, tranny, oil pump & cam among other things. It was supercharged at some point and he removed it before i got it. When i bought it the AC compressor/pump was bypassed, tons of electric connectors that...

I'm driving myself insane trying to ditch the random sticking surge spike, i've cleaned out the throttle body, installed new gaskets, replaced the EGR and IAC with a brand new one, cleaned out the MAF and connections, Adjusted the idle with the IAC unplugged and set the TPS to .8 volts with...

I didn't see the checklist till after i posted this but just in the course of a day or so i have pretty much dialed out my idle problems from adjusting the TPS and adjusting the throttle plate from the guidelines off the checklist. I still have a surging problem when the motor gets up to temp...

Hello everyone i'm new to the forums with a 1989 5.o GT 25th Anniversary model i recently picked up and this looks like the perfect community to join for what i'm looking for. I'm having issues as far as the engine running a bit lean, idle and deceleration of the throttle; mostly when in neutral...