Emission Control Systems: Application and ID

Application Chart

Footnotes:

X - Equipped
- Not Equipped

1 - Distributor Ignition (DI).
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° At Top Dead Center (ATDC) at 850 RPM.
10 - Automatic Transmission (AT), 5° ATDC at 950 RPM. Manual Transmission (MT). 10° ATDC at 900 RPM.
11 - Calif. AT only. Conventional Exhaust Gas Recirculation (EGR).
13 - AT 7 1/2° ATDC at 950 RPM. MT, 7 1/2° ATDC at 950 RPM.
15 - 3° ATDC at 925 RPM.
17 - Type OC, number of catalytic converters, 1.
20 - AT, Top Dead Center (TDC) at 925 RPM. MT, 5° ATDC at 975 RPM.
21 - AT, 5° ATDC at 950 RPM. MT, 5° ATDC at 900 RPM.
23 - 5° ATDC at 875 RPM.
24 - One Oxygen Sensor (O2S).
26 - Type Three Way Catalytic Converter (TWC), number of catalytic converters, 1.
27 - AT, 3° ATDC at 925 RPM. MT, 6° BTDC at 925 RPM.
28 - 1.8L/4-109 (16 Valve) 6° 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.
34 - 5° ATDC @ 850 RPM. Disconnect electrical connectors from idle stabilizer unit & connect together.
35 - TWC
36 - DI/Hall Control Unit.
37 - One O2S.
39 - Pump type.
40 - Digifant.
41 - Digifant I.
42 - Digifant II.
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.
54 - Injection pump timing, .033-.O38 inch plunger lift at TDC.
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.
61 - Injection pump timing, .0346 inch plunger lift at TDC.
62 - Injection pump timing, pump w/yellow dot, .045 inch plunger lift at TDC; pump less yellow dot, .0346 inch plunger lift at TDC.
63 - Injection pump timing, .0346 inch plunger lift at TDC. Increase to .0385 inch to correct for poor acceleration.
64 - Rabbit & Jetta Exc. turbo diesel, injection pump timing, .0374 inch plunger lift at TDC. Rabbit, Jetta Quantum turbo diesel, injection pump timing, .0393 inch plunger lift at TDC. Vanagon, injection pump timing, .0346 inch plunger lift at TDC.
65 - Rabbit & Jetta less paint dot, injection pump timing, .0332-.0372 inch plunger lift at TDC; w/paint dot, .O440-.048O inch plunger lift at TDC. Quantum, injection pump timing, .0392-.0408 inch plunger lift at TDC. Vanagon, injection pump timing, .0331-.O346 inch plunger lift at TDC.
66 - Golf & Jetta, injection pump timing, .0372-.0388 inch plunger lift at TDC. Quantum, injection pump timing, .0392-.0408 inch plunger lift at TDC. Vanagon, injection pump timing, .0331-.0346 inch plunger lift at TDC.
67 - Golf & Jetta, injection pump timing, .0372-.0388 inch plunger lift at TDC. Quantum, injection pump timing, .0392-.0406 inch plunger lift at TDC.
68 - Certain Jetta GLI & Passat California models may have incorrect vehicle emission control information labels.
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's.
72 - Poor driveability may be caused by magnetic interference from a deteriorated O2S wire shield or improper sensor ground connection.
73 - Some 1992-94 Corrado, Jetta, and Passat models may experience poor performance and rough idle.
74 - Models built prior to 1/95.
75 - Electronically controlled EGR.
76 - One HO2S.
79 - Certain 1993-94 Golf & Jetta III models up to Vehicle Identification Number (VIN) 045558 with California emissions may require engine control module replacement.
80 - Certain 1992-93 Cabriolet models may experience a rich engine condition.
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.