Emission Control Systems: Application and ID

1968 - 1977




1978 - 1991




1992 - 1995



Footnotes:


X - Equipped

- Not Equipped

1 - Timed at No. 1 cylinder rear of engine, w/distributor vacuum hoses connected.

2 - DI (Distributor Ignition).

3 - Timed at No. 1 cylinder right front of engine. w/distributor vacuum hoses connected.

4 - 4 degrees ATDC at 850 RPM.

5 - Timed at No. 6 cylinder front of engine, w/distributor vacuum hoses connected.

6 - Two O2S.

7 - Type, OC; number of catalytic converters, 1.

8 - One O2S.

9 - Type, OC; number of catalytic converters, 2.

10 - Early models, 4 degrees BTDC at 800 RPM; late models, 14 degrees BTDC at 800 RPM.

11 - Timed at No. 1 cylinder right front of engine, w/distributor vacuum hoses disconnected a plugged.

12 - Electronically controlled, no adjustment.

13 - Type, TWC; number of catalytic converters, 2.

14 - Type, TWC; number of catalytic converters, 1.

15 - On models which experience no start or engine misfire, a service modification can be performed. For additional information, refer to Technical Service Bulletins.

16 - On models which experience improper EGR operation, a service modification can be performed. For additional information, refer to Technical Service Bulletins.

17 - On models which experience engine run-on, a service modification can be performed. For additional information, refer to Technical Service Bulletins.

18 - On models which experience engine hesitation, a service modification can be performed. For additional information, refer to Technical Service Bulletins.

19 - For additional information on an incorrectly routed ECIR vacuum hose, refer to Technical Service Bulletins.

20 - Electronically controlled EGR.

21 - Conventional EGR.

22 - DI/Breaker Point Type.

23 - Marelli Digital Fuel Injection System.

24 - Pump type.

25 - Air Injection Switching System.

26 - Bosch L-Jetronic Fuel Injection System.

27 - Lucas Digital Fuel Injection System.

28 - Lucas Microprocessor Fuel Injection System.

29 - Lucas Engine Management System.

30 - Certain XJ6/VDP California models may not comply w/NOx emission standards.

31- Certain XJS California models may not comply w/NOx emission standards.