car acting weird, help
car acting weird, help Well i just got my smaller pulley in my p1 and it hit 16 psi and 6200.. i have a walbro 255 and 60lb siemen injectors. Everything is tuned. Now i did a run and its awesome. Plugs are gapped to .30, everythings fine. I decided to give my friend a ride and at 5200, it starts to shake. Kind of like a fuel cut. Now that is my first problem. 2nd is, cruising at 1500 rpms, the car shakes. When i give it gas to go, its fine. Only when barely touching the gas to cruise, it shakes. It never did that before. I dont know whats up. Lose plug or wire? I jsut had my mechanic install Autolites 103, much colder plugs. Im sure he didnt mess up on the plugs or wires so i dont know what it can be. Any input?
Well i just got my smaller pulley in my p1 and it hit 16 psi and 6200.. i have a walbro 255 and 60lb siemen injectors. Everything is tuned. Now i did a run and its awesome. Plugs are gapped to .30, everythings fine. I decided to give my friend a ride and at 5200, it starts to shake. Kind of like a fuel cut. Now that is my first problem. 2nd is, cruising at 1500 rpms, the car shakes. When i give it gas to go, its fine. Only when barely touching the gas to cruise, it shakes. It never did that before. I dont know whats up. Lose plug or wire? I jsut had my mechanic install Autolites 103, much colder plugs. Im sure he didnt mess up on the plugs or wires so i dont know what it can be. Any input?
Is it tuned speed density? The low rpm stumble/shake you are discribing could be a bad o2 sensor, but if the car is tuned speed density then it is probably a miss. Could be a injector, plug, wire, ect, ect.
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