The OE (black colored) spark plug wires have been modified to improve durability. When diagnosing a concern and the spark plug wires are the suspected cause, check each wires resistance according to the table below prior to replacement.
NOTE: The specifications listed below DO NOT apply to replacement spark plug wires (NGK, blue colored). Service Managers should place a copy of this bulletin in the appropriate workshop manual.
|
Vehicle |
Yr. |
Eng. |
Wire Number / Resistance (measured in thousand ohms) |
||||||
|
1 |
2 |
3 |
4 |
5 |
6 |
||||
|
Protege |
1996 |
1.8L |
1 |
5.97-13.79 |
5.52-12.57 |
4.22-9.94 |
3.77-8.72 |
||
|
1.5L |
1 |
5.59-12.95 |
5.24-12.18 |
3.89-9.21 |
3.49-8.33 |
||||
|
1997 |
1.8L |
1 |
5.97-13.79 |
5.52-12.57 |
4.22-9.94 |
3.77-8.72 |
|||
|
1.5L |
3 |
5.60-12.10 |
5.20-11.40 |
3.90-8.40 |
3.50-7.50 |
||||
|
626/MX-6 |
1996/97 |
2.0L MT |
1 |
7.57-17.31 |
6.72-15.44 |
5.27-12.25 |
4.57-10.71 |
||
|
2.0L AT |
1 |
6.71-15.20 |
5.96-13.55 |
5.21-11.90 |
4.46-10.25 |
||||
|
2.5L |
2 |
12.80-29.0 |
7.6-17.50 |
12.90-29.30 |
5.50-12.90 |
13.70-31.10 |
4.30-10.30 |
||
|
Millenia |
1996/97 |
Same As 626 |
|||||||
|
Miata |
1996/97 |
1.8L |
1 |
4.31-10.04 |
3.36-7.95 |
2.41-5.86 |
1.91-4.76 |
||
The modified spark plug wires have a modification mark or are made using a different material. Refer to the following to identify the modified plug wires.
A small 1mm dimple on the plastic extender next to the numbers.
The plug wires extender has a glossy finish.
The plug wires extender is rubber material.