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Showing results for tags 'new coils rb25det skyline r33gtst r33'.
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Hello Genies, I need help, I have an r33 RB25det series 2 Manual. After driving for 30 minutes the car begins to stutter hard unless i feather the throttle real soft will feel like it's missing. If I floor it in neutral it bounces from 3k revs up to 4k and won't hit redline. Feels like the engine is rocking a bit but that's probably because I am trying to rev the balls off it When driving once it hits 3 k revs the car will start bouncing back and forwards hard and a popping noise will come from the exhaust like it's running rich. This will happen under any moderate or hard acceleration. If I turn the car off and turn it back on a few minutes later the problem is fixed and the car will run great for the next couple of minutes then the popping and stuttering will resume. The car drives great when it hasn't been driving for over 30 minutes will hit redline. I have new NGK iridium plugs -11 And New Osaka Coil Packs which has helped it stutter less I have re soldered and cleaned the MAF I ran the ECU got code 33, Heated Oxygen Sensor, I cleaned it put back in. Code hasn't come back also running without o2 still won't rev up Rescanned got code 44 for ECCS working correctly.
