4000,S L4-1715cc 1.7L SOHC (WT) (1982)
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Heated Oxygen Sensor Module: Locations
Oxygen Sensor ................................ in the exhaust manifold
Oxygen sensor system relay ............. below the oxygen sensor system control unit to the right in the glove box.
Starting enrichment relay .................. below the oxygen sensor system control unit to the right in the glove box.
Oxygen sensor system control unit ... to the right of the glove compartment.
EGR Valve ....................................... mounted to the intake manifold
EGR Vacuum Amplifier ..................... rear of engine compartment, between battery and fuel filter.
Maintenance light reset button .......... drivers side of fresh air section of engine compartment.
Digital Idle Stabilizer (DIS) ................. mounted on top of the ignition control unit (only on cars with CIS injection).
Duty cycle test connector ................. between passenger side strut tower and the fuel distributor.
Thermostatic Air Cleaner ................... mounted on the air cleaner housing.
