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i have a 1995 k1500 5 speed reg cab 4×4 with the 350 tbi. I recently had true duals put on it and a couple days after doing so it started jerking almost like it was trying to die when I would give it a firm gas pedal. i pulled the codes on it and they came up to be, lean exhaust, low voltage to fuel pump relay, low voltage to ignition control module, and egr valve. the code numbers were 32, 42, 44, and 54. I replaced the o2 sensor and reset the computer, it cleared all codes except 42 which is the ignition control module. But from my experience with that is either it works or it don’t, there is no in between with it. I also pulled the air filter because I was told by someone that it seemed to be starved for air, but that was a fail and didn’t work. Does anyone have any idea what could be causing the jerking issue when throttle is given to it? Also when it starts jerking the rmps don’t budge like normal if it were trying to die down. Any help would be greatly appreciated. Thanks
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