About a week ago I hit a rather large pothole and about a mile down the road I got a cel. I found out it was a cylinder 3 misfire. Then it started idelng very bad (like 300 rpm) and there was a noticible knock or tapping sound above 3, 000 rpm. Its just been sitting since while I attempt to fix it. I've cleaned the maf, replaced the spark wires and 1 and 3 plugs, had the timing checked because it was recently done, check the valve clearances had it hooked up to a scan tool which showed the fuel going up and down in a cycle. Cylinder 3 plug smells like gas and the exaust is rich. Compression on #3 was good also. I'm going to get a new coil pack from the junk yard just to test. And other opinions would be highly appreciated.
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