Ignition Checks: Spark
WARNING: This page is about a different car, the 1990 Subaru XT6, 1990 Subaru XT, 1990 Subaru Loyale, and 1990 Subaru Legacy. However, it is still accessible from the selected car via links, so may be relevant.
Check for spark at spark plug wires using a spark tester. Check resistance of each spark plug wire. Replace wire if resistance is not within specification. See appropriate HIGH TENSION WIRE RESISTANCE table below.
LEGACY HIGH TENSION WIRE RESISTANCE
| Application | Resistance: Ohms | Wire Length: In. (mm) |
|---|---|---|
| No. 1 | 495-11,560 | 21.25 (540) |
| No. 2 | 486-11,330 | 21.65 (550) |
| No. 3 | 495-11,560 | 21.25 (540) |
| No. 4 | 524-12,230 | 23.62 (600) |
LOYALE HIGH TENSION WIRE RESISTANCE
| Application | Ohms (PFI) | Ohms (TBI) |
|---|---|---|
| No. 1 | 243-567 | 243-567 |
| No. 2 | 948-22,130 | 838-19,560 |
| No. 3 | 958-22,360 | 790-18,440 |
| No. 4 | 241-562 | 241-562 |
XT & XT6 HIGH TENSION WIRE RESISTANCE
| Application | Ohms (1.8L) | Ohms (2.7L) |
|---|---|---|
| No. 1 | 243-567 | 243-567 |
| No. 2 | 947-23,030 | 10,860-25,330 |
| No. 3 | 958-22,360 | 11,240-26,230 |
| No. 4 | 241-562 | 452-10,550 |
| No. 5 | N/A | 11,430-26,680 |
| No. 6 | N/A | 260-607 |