Emission Control Systems: Application and ID
Application Chart
Footnotes:
X - Equipped
- Not Equipped
1 - DI (Distributor Ignition).
2 - Timed at No. 1 cylinder w/distributor vacuum hose disconnected & plugged.
6 - Calif. only.
8 - Timed at No. 1 cylinder w/distributor vacuum hose connected.
9 - 5 degrees ATDC at 850 RPM
10 - AT, 5 degrees ATDC at 950 RPM. MT. 10 degrees ATDC at 900 RPM.
11 - Calif. AT only. Conventional EGR.
12 - Models prior to 3/73, AT 5 degrees ATDC at 950 RPM. MT, 5 degrees ATDC at 950 RPM. Models from to 3/73, AT 7 1/2 degrees ATDC at 950 RPM. MT, 7 1/2 degrees ATDC at 950 RPM.
13 - AT 7 1/2 degrees ATDC at 950 RPM. MT, 7 1/2 degrees ATDC at 950 RPM.
15 - 3 degrees ATDC at 925 RPM.
17 - Type OC, number of catalytic converters, 1.
20 - AT, TDC at 925 RPM. MT, 5 degrees ATDC at 975 RPM.
21 - AT, 5 degrees ATDC at 950 RPM. MT, 5 degrees ATDC at 900 RPM.
23 - 5 degrees ATDC at 875 RPM.
24 - One O2S.
25 - Vanagon.
26 - Type TWC, number of catalytic converters, 1.
27 - AT, 3 degrees ATDC at 925 RPM. MT, 6 degrees BTDC at 925 RPM.
28 - 1.8L/4-109 (16 Valve) 6 degrees BTDC at 880 RPM.
29 - On models which experience engine hesitation, a service modification can be performed. For additional information, refer to Technical Service Bulletins.
30 - On models which experience rough idle or engine stalling, a service modification can be performed. For additional information, refer to Technical Service Bulletins.
31 - Conventional EGR.
32 - Refer to emission control information label.
33 - Vanagon water cooled.
34 - 5 degrees ATDC @ 850 RPM. Disconnect electrical connectors from idle stabilizer unit & connect together.
35 - TWC
36 - DI/Hall Control Unit.
37 - One 02S.
38 - Rabbit Pickup.
39 - Pump type.
40 - Digifant.
41 - Digifant I.
42 - Digifant II.
43 - AFC Fuel Injection System.
45 - Digi-jet.
46 - Motronic System.
48 - 8 valve engine.
49 - 16 valve engine.
50 - Engine codes JH, JN, PL & UM.
51 - Engine codes PF & RV.
52 - Engine codes JN & UM.
53 - Engine codes 2H, PF, PG & RV.
55 - Less turbo, .033-.O36 inch plunger lift at TDC; turbo, .037-.041 inch plunger lift at TDC.
56 - Electronically controlled.
57 - W/coolant temperature sensor electrical connector disconnected.
58 - DI/Digital Electronic.
59 - DI/Breakerless.
60 - CA, DI/Breakerless; FED, DI/Breakerless or DI/Breaker Point Type.
69 - Certain Vanagon models may experience improper operation of the 02S sensor lamp.
70 - Certain GLI/GTI & Passat California models may require emission related service.
71 - Two O2s.
72 - Poor driveability may be caused by magnetic interference from a deteriorated O2S wire shield or improper sensor ground connection.
74 - Models built prior to 1/95.
75 - Electronically controlled EGR.
76 - One HO2S.
77 - Except Fox.
81 - Rough idle, stalling, bucking, & poor performance may be encountered.
82 - Electronically Controlled Direct Injection.
83 - Catalytic converter w/2 temperature sensors.
84 - Models built from to 1/95.