Hi everyone, I know I introduced myself once before but I will once more. My name is Nicholas I recently acquired a 2002 mp5 from my Mom. It has a few problems and that's why she replaced it with a 2006 mazda 3. I haven't messed with a car in a while but I used to have a heavily modified Nissan NX2000 that ran 13.75 at 103 mph all motor and later once I boosted it I was running 11.27 @128 with it. Meanwhile my daily driver was an Infiniti G20 lightly modded with leftover parts from my NX. So all my experience really is with the SR20 motors.
So I just ran my OBD2 scanner on it and came up with a p0421 (warm up catalyst efficiency below threshold) a P0300, and a P0301 (random misfire, and on cyl 1) Also a P1569 (VTCS solenoid valve circuit low input)
The 0421 I believe could be fixed with a header and exhaust with a new cat or test pipe. Or just the plug fouler mod. The misfire codes I believe maybe the coils need replaced because I have done plugs and the goofy little wires from the two coils. Now the 1569 is what I am unsure of. If anyone has advice on that and suggestions based on other knowledge of these cars for the other 3 codes I would appreciate it.
So I just ran my OBD2 scanner on it and came up with a p0421 (warm up catalyst efficiency below threshold) a P0300, and a P0301 (random misfire, and on cyl 1) Also a P1569 (VTCS solenoid valve circuit low input)
The 0421 I believe could be fixed with a header and exhaust with a new cat or test pipe. Or just the plug fouler mod. The misfire codes I believe maybe the coils need replaced because I have done plugs and the goofy little wires from the two coils. Now the 1569 is what I am unsure of. If anyone has advice on that and suggestions based on other knowledge of these cars for the other 3 codes I would appreciate it.
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