Recently, my engine was running rough, and was diagnosed with #5 cylinder mis-fire. All the spark plugs and spark plug wires were then replaced, and it seemed to run better for a while. Valves started clicking, so added Risone to the oil to see if that will help to silence the clicking noise. Now, the engine runs extremely rough when putting any kind of load on it. It seems to idle fine, but when I drive over say, 35 MPH, it "misses" really bad. The Service Engine Soon light comes on, and blinks 13 times. Any idea what's happening?
Sep 7, 2010 at 6:09 PM