Check your cat. converter. If your exhaust braking seems out of line and you are getting an o2 sensor light maybe the o2 is flagging because it's not getting enough flow across it because of the clogged converter.

Just a thought.

I doubt it's the tps. You'd have drivability problems around town as well.

A gun in the hand is better than a cop on the phone.

98 Passport 33's, Supercharged, Calmini Bumper, rockbars, diff drops, Teralows, 4.77's, Aussie and ARB lockers, Safari snorkel, Optima red top.