240 L4-2320cc 2.3L SOHC VIN 83 B230FD (1993)
-Ignition on.
Connect a voltmeter between terminal 1 in the EGR temperature sensor connector and GND.
-Read off the voltmeter. Make a note of the reading.
-Switch off the ignition.
-Take the connector apart.
-Clean the terminals with anti-rust spray.
-Grease the connector. (Grease PIN 1161417-9.)
-Put the connector together.
-Remove the GND terminal (at the intake manifold), clean and replace the terminal.
-Switch on the ignition again.
-Repeat the measurements.
If the readings have changed
-The fault was caused by contact resistance in the connector and has been remedied.
If the reading is unchanged
-Check the wiring to GND FL2.
FL2
Checking The Wiring To GND