240 L4-2127cc 2.1L SOHC B21F (1982)
Oxygen Sensor: Testing and Inspection
Lambda Testing W/ Volt, Dwell, RPM and CO Meter
Fig. 70 DISCONNECT LAMBDA SOND
1.
Disconnect Lambda sond. Fig. 70.
Fig. 71 CONNECT DWELL METER
2.
Connect a dwell meter:
3.
Connect red wire to the test point.
4.
Set meter for reading of a "4-cylinder" engine. Fig. 71.
NOTE:
The dwell meter must have a minimum measuring range of 70°.
Instruments such as the "Volvo Mono-Tester" and "Sun" testers of later design are recommended.