F 250 4WD LD Pickup V8-5.4L SOHC VIN L (1997)
15. Disconnect the EGR connections.
a. Disconnect the two EGR backpressure transducer hoses.
b. Disconnect the EGR tube upper fitting.
c. Disconnect the EGR tube lower fitting.
16. Disconnect the engine coolant temperature (ECT) sensor electrical connector.
17. Disconnect the cylinder head temperature (CHT) jumper harness electrical connector.
