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Octane Number Plug (Octane No. Coding), Fuel Selection Opel Frontera A

Note: This Technical Intormation Bulletin contains and supersedes all previous Technical Information Bulletins on the subject of "Octane Number Plugs".

Subject:

Octane Number Plugs (Octane Number Coding), Choice of Fuel

Vehicles:

All vehicles with octane number plugs. The following tables list all possible vehicle / engine / octane number plug combinations. On hand - over of the vehicle by the Sales personnel, the customer should be instructed about the significance and correct coding of the octane number plug.

Incorrect coding can lead to engine damage, e. g. 91 RON fuel used with 95 RON coding.

The octane numbers listed first indicate the fuel recommended ex works for each engine.

Engines that are not listed are equipped with knock control or cannot be adapted.

Survey of octane number plugs
Vehicle typeEngineRemarksColourRON
Corsa - A / NovaC 12NZblack95 / 91
C 14NZblack95 / 91
C 14SEbrown95 / 98
1)black95 / 91
C 16NZblack95 / 91
C 16SEbrown95 / 98
1)black95 / 91
C 16SEIblack95 / 91
E 16SEblack95 / 91
Corsa - B12NZblack95 / 91
C 12NZblack95 / 91
C 14NZblack95 / 91
C 14SEnot for Mexikobrown95 / 98
Mexiko onlyblack95 / 91
1)black95 / 91

1) If unleaded premium fuel is not available, use of unleaded regular tuel with 91 RON is possible, provided that high engine loads, full load operation and operation in mountainous areas with trailer load or high payloads are avoided.

Survey of octane number plugs
Vehicle typeEngineRemarksColourRON
Kadett - E / Astra - EC 14NZblack95 / 91
16SVbrown95 / 98
12.6.87 - 31.1.89 1)white95 / 98
C 16LZblack95 / 91
C 16NZblack95 / 91
E 16NZblack95 / 91
18SEbrown95 / 98
C 18NZblack95 / 91
E 18NVblue95 / 91
12.6.87 - 31.12.87 1)grey95 / 95
20NEbrown95 / 98
2)black95 / 91
20SEHbrown95 / 98
20SERbrown95 / 98
C 20NEblack95 / 91
12.6.87 - 31.12.87 1)orange95 / 91

1) Production period

2) If unleaded premium fuel is not available, use of unleaded regular fuel with 91 RON is possible, provided that high engine loads, full load operation and operation in mountainous areas with trailer load or high payloads are avoided.

Survey of octane number plugs
Vehicle typeEngineRemarksColourRON
Astra - FC 14NZyellow95 / 91
14SEMTwhite95 / 98
ATbrown95 / 98
C 14SEMTwhite95 / 98
1)yellow95 / 91
ATbrown95 / 98
1)black95 / 91
C 16NZyellow95 / 91
C 16SEMT not Estatebrown95 / 98
1)black95 / 91
MT Estate onlywhite95 / 98
1)yellow95 / 91
ATbrown95 / 98
1)black95 / 91
New Zealand onlyblack95 / 91

1) If unleaded premium fuel is not available, use of unleaded regular fuel with 91 RON is possible, provided that high engine loads, full load operation and operation in mountainous areas with trailer load or high payloads are avoided.

Survey of octane number plugs
Vehicle typeEngineRemarksColourRON
Astra - F16LZ21)grey91 / 87
C 18NZMTyellow95 / 91
ATblack95 / 91
C 20NEnot Japanyellow95 / 91
Japan onlyblack95 / 91

1) If 87RON is used, slight loss of output and torque

Survey of octane number plugs
Vehicle typeEngineRemarksColourRON
Ascona - C / Cavalier16SVbrown95 / 98
as of 12.6.87 1)white95 / 98
C 16LZblack95 / 91
C 16NZblack95 / 91
E 16NZblack95 / 91
18SEbrown95 / 98
12.6.87 - 31.12.87 1)white95 / 98
E 18NVblue95 / 91
12.6.87 - 31.12.87 1)grey95 / 95
20NEbrown95 / 98
2)black95 / 91
20SEHbrown95 / 98
C 20NEblack95 / 91
as of 12.6.87 1)orange95 / 91
C 20NEFblack95 / 91
as of 12.6.87 1)orange95 / 91

1) Production period

2) If unleaded premium fuel is not available, use of unleaded regular fuel with 91 RON is possible, provided that high engine loads, full load operation and operation in mountainous areas with trailer load or high payloads are avoided.

Survey of octane number plugs
Vehicle typeEngineRemarksColourRON
Vectra - A / Cavalier16SVbrown95 / 98
C 16NZblack95 / 91
E 16NZblack95 / 91
C 16NZ2black95 / 91
18SVbrown95 / 98
C 18NZblack95 / 91
E 18NVRblue95 / 91
20NEMT up to MJ'92 1)yellow95 / 91
MT as of MJ'92 1)brown95 / 98
AT and 4x4brown95 / 98
MT Saudi Arabiayellow95 / 91
AT Saudi Arabiablack95 / 91
MT Egyptyellow95 / 91
AT Egyptblack95 / 91
20SEHMT up to MJ'90 1)white95 / 98
MT as of MJ'90 1)brown95 / 98
AT and 4x4brown95 / 98

1) Production period

Survey of octane number plugs
Vehicle typeEngineRemarksColourRON
Vectra - A / CavalierC 20NEMTyellow95 / 91
AT and 4x4black95 / 91
C 20NEFMTyellow95 / 91
ATblack95 / 91
Vectra - B16LZ21)grey91 / 87
CalibraC 20NEMTyellow95 / 91
AT and 4x4black95 / 91
Omega - A / Carlton18NVblack95 / 91
18SVbrown95 / 98
12.6.87 - 31.12.87 2)green95 / 98
18SEHbrown95 / 98
12.6.87 - 31.12.87 2)white95 / 98
E 18NVRblue95 / 91
20SEMT up to 11.6.87 2)white95 / 98
AT up to 11.6.87 2)brown95 / 98
12.6.87 as of MJ'90 2)violet95 / 98
as of MJ'90 2)brown95 / 98

1) If 87 RON is used, slight loss of output and torque

2) Production period

Survey of octane number plugs
Vehicle typeEngineRemarksColourRON
Omega - A / CarltonC 20NEMT up to 11.6.87 1)yellow95 / 91
AT up to 11.6.87 1)black95 / 91
12.6.87 up to MJ'90 1)orange95 / 91
MT as of MJ'90 1)yellow95 / 91
AT as of MJ'90 1)black95 / 91
C 20NEFMT up to 11.6.87 1)yellow95 / 91
AT up to 11.6.87 1)black95 / 91
as of 12.6.87 1)orange95 / 91
C 20NEJMTyellow95 / 91
ATblack95 / 91
C 24NEblack95 / 91
C 26NEbrown95 / 98
2)black95 / 91
C 30LEblack95 / 91
C 30NEup to MJ'91 1)black95 / 91
as of MJ'91 1)brown95 / 98
2)black95 / 91

1) Production period

2) If unleaded premium fuel is not available, use of unleaded regular fuel with 91 RON is possible, provided that high engine loads, full load operation and operation in mountainous areas with trailer load or high payloads are avoided.

Survey of octane number plugs
Vehicle typeEngineRemarksColourRON
Senator - BC 26NEbrown95 / 98
1)black95 / 91
C 30LEblack95 / 91
C 30NEup to MJ'91 2)black95 / 91
as of MJ'91 2)brown95 / 98
1)black95 / 91
FronteraC 20NEblack95 / 91
C 24NEblack95 / 91

1) If unleaded premium fuel is not available, use of unleaded regular fuel with 91 RON is possible, provided that high engine loads, full load operation and operation in mountainous areas with trailer load or high payloads are avoided.

2) Production period

Survey of octane number plugs
ColourOctane numberResistance WPart no.Catalogue no.
blue95 / 910 / ¥90 241 96112 86 525
white95 / 982200 / 75090 241 96212 86 526
yellow95 / 912200 / ¥90 241 96312 86 527
grey95 / 95¥ / ¥90 243 53512 86 530
black95 / 91220 / 090 276 39712 86 521
green95 / 981200 / 75090 276 39812 86 532
brown95 / 98220 / 47090 276 40112 86 522
violet95 / 98¥ / 220090 276 40212 86 533
orange95 / 91¥ / 75090 277 92112 86 529
grey91 / 870 / 22090 506 20612 86 541

Note:

For octane number plugs with the colour GREY, check the octane number coding, as there are two grey octane number plugs with different part / catalogue numbers.