Explorer 99 XLT - Rough Cold Start, Semi Rough Idle

My Ford Explorer started running very rough in cold weather, when it warms up it is fine. It also seems to idle a little rough when I stop even after it is warmed up.

When this stated happenning I got a Check Engine light, I had it scanned at the auto shop and it showed a bad Throttle Position Sensor. I replaced the sensor and the check engine light went off but the rough start/idle was still the same.

Here I am 2 weeks later and the check engine light came back on.

Should I have it scanner again? Any idea's what this could be?

My Ford Explorer started running very rough in cold weather, when it warms up it is fine. It also seems to idle a little rough when I stop even after it is warmed up.

When this stated happenning I got a Check Engine light, I had it scanned at the auto shop and it showed a bad Throttle Position Sensor. I replaced the sensor and the check engine light went off but the rough start/idle was still the same.

Here I am 2 weeks later and the check engine light came back on.

Should I have it scanner again? Any idea's what this could be?

Ihad the same problem with 99 explorer sport- turned out to be intake manifol gaskets, $20.00 from the dealer and 3 hours labor