240 L4-2320cc 2.3L SOHC VIN 83 B230FD (1993)
-Ignition off.
Connect an ohr.1meter between terminals 18 and 3 on the TP switch.
The ohmmeter should read infinite resistance.
If this value is OK:
Intermittent fault.
-Check the connections for loose contacts.
If the reading is incorrect:
-Try using a new TP switch.