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neftaliesquivel0 · 08-23-2015, 12:51 PM

So my brother and I import cars and I decided to buy an s13 Silvia vert k series. The problem with the car is that the engine is misfiring. I just changed the spark plugs (I used the ngk cooper spark plugs) and I also changed the oil. Before changing the oil after putting in the new spark plugs the car was literally bone dry. The car would stay at about 500rpm but once I changed the oil (I used valvoline premium 10w30) the car stayed around 600-800rpm. It runs a little better now that I gave it a bit of maintenance but I'm still having trouble trying to figure out what is making it stay below 1000rpm. Any suggestions?

08-23-2015, 12:51 PM	#227
neftaliesquivel0 Join Date: Nov 2014 Location: Dallas txt Age: 28 Posts: 17 Trader Rating: (0)	Ca18det FAQ So my brother and I import cars and I decided to buy an s13 Silvia vert k series. The problem with the car is that the engine is misfiring. I just changed the spark plugs (I used the ngk cooper spark plugs) and I also changed the oil. Before changing the oil after putting in the new spark plugs the car was literally bone dry. The car would stay at about 500rpm but once I changed the oil (I used valvoline premium 10w30) the car stayed around 600-800rpm. It runs a little better now that I gave it a bit of maintenance but I'm still having trouble trying to figure out what is making it stay below 1000rpm. Any suggestions?