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.

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.

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.

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.

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.

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.

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 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.