Hmm I have been told from many people that the stuttering is not the pump so I dumped the fuel pressure idea.
Well if I lean out my car enough then my engine light will come on right? I had it leaned out a few times and the car stutters the same lean or rich. There is no difference. When it runs lean for a few blocks the engine light freaks and starts to blink so I richen it up and the light is happy and doesn't come on again.
Any idea what that means when the check engine light actually flashes but doesn't stay on? It kind of freaked me out when I first saw that.
Other possibilities that I have been told is the TPS sensor is going bad. My neighbor said a TPS sensor going bad would cause problems at low RPMS and should be fine at high RPMS. Any thoughts?
Otherwise he suggested a vacuum leak. I sprayed engine starting fluid around the vacuum hoses but nothing happend so I am assuming thats not the problem.
1999 V6 MTX Black Cougar
Jacobs ignition system, Borla dual exhaust, Sho shop y pipe and hi flow cat, gutted precats with MIL eliminators, IAT rewire, vitek ignition wires, SCA CAI with monster flow filter, Unorthodox racing pulley, BAT rear strut brace, Battery relocation to trunk, eibachs, KVR crossdrilled/slotted rotors, freedom design strut brace and Tuned S-AFC
Waiting to be installed:
svt engine with 11k miles on it/ fidanza flywheel/Quaife/energy suspension engine mount inserts.
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