Q: Truck idles rough

asked by on October 12, 2016

Hello. I changed the spark plugs, wires, fuel filter and removed the cat converter off my truck. Its still idles a little rough like it has a miss but while driving it its ok. Any idea what it could be? Also when starting it it normally takes a second turn for it to turn over.

My car has 150000 miles.
My car has a manual transmission.

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