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i have a r33 and have a problem with it at idle it runs rough. On light acceration its goes ok but coming on boost it miss fires if you stomp on it it just splutters. Just replaced coilpacks, spark plugs, fuel filter, air filter and cleaned the afm with crc brand maf cleaner. but still have the problem this is a small list of the mods greddy plemium apexi power fc z32 afm hks turbo tomei cam gears fmic 3'5 zorst any help

Hi guys, Not long ago I started to hear some rear awful noises coming from the rear of my car - back left. I thought it was just the normal clunking from the welded diff I had put on there years ago. I decided to jack up the rear left and see if any wheel studs were loose but it wasnt, what I did notice was that I was able to wobble the wheel slightly even thought it was perfectly flat against the hub. So started to trying to move parts at the subframe to see if anything was lose. I discovered that I was able to push the rear left long black column that attached itself to the diff and rear hub left and right. I tried to do the same with the right side, but it wouldnt budge. I believe my rear left wheel's ability to rock slightly is related to that long column's freeplay. My question is can I just change this out and replace it or does it should like something else. At first, I thought perhaps my diff was stuffed - the noise when you drive gets louder and more unbearable like bolts/nuts being crushed - ie welded diff?? Or is my wheel bearing causing this, although Ive watched clips on youtube on wheel bearings being stuffed and mine doesnt make a humming sound it makes a clunking and clanking sound that increases with speed. Pleaes help. Attached the the long black coluum I am referring to. Thanks, Nozila

Translation needed Hi, Could someone please translate this. It's instructions for Ignition chip for E-manage Ultimate to clear CEL Even better to clarify jumper settings for VQ25DET thanks