I got a check engine light, and the code is p0340, the cam position sensor. Went to buy a new sensor from 2 different parts stores, and am getting the run around, because they keep giving me the wrong sensor. The sensor they gave me is for the 3 litre, and they keep telling me it' s for the 4 litre as well, but the sensor looks way different, and the electrical connectors won't plug into each other if any one knows the part number for the cam sensor for the 4 litre engine, I would really like to know so I can get the right sensor, thanx.

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1995 XLT ext cab 2wd 4.0
K&N intake, flowmaster exhaust.