There is a TPS on Fleabay right now (not mine also not sure if it is the correct one, but worth a look) 1. Oxygen Sensor and related Wiring 2. Hall Sender & wiring. 3. The above should "take care of" this too.. 4. Funky Autocheck - Instrument Cluster cold solder points and or a bad Autocheck. 5. Dirty MAF, ISV HTH. ScottP