QUICK DIAGNOSTIC CHART [L8, LF]

id0103a0800600

X: Applied

Troubleshooting item |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
1 | Melting of main or other fuses |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2 | MIL illuminates | X | X |  | X | X |  |  | X |  |  |  | X |  |  |  |  |  |  |  |  |  |  | X
3 | Will not crank |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
4 | Hard to start/long crank/erratic start/erratic crank |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | X |  |
5 | Engine stalls | After start/at idle |  |  |  |  |  | X | X | X |  |  |  |  |  |  |  |  |  |  |  |  | X |  | X
6 | Cranks normally but will not start |  |  |  |  |  | X | X | X |  |  |  |  |  |  |  |  |  |  |  |  | X |  | X
7 | Slow return to idle |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | X |  |  |  |  |  |
8 | Engine runs rough/rolling idle |  |  |  |  |  | X | X |  |  |  |  |  |  |  |  |  |  |  |  |  | X |  | X
9 | Fast idle/runs on |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
10 | Low idle/stalls during deceleration |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
11 | Engine stalls/quits | Acceleration/cruise |  |  |  |  |  | X | X |  |  |  |  |  |  |  |  |  |  |  |  |  | X |  |
Engine runs rough | Acceleration/cruise |  |  |  |  |  | X | X |  |  |  |  |  |  |  |  |  |  |  |  |  | X |  |
Misses | Acceleration/cruise |  |  |  |  |  | X | X |  |  |  |  |  |  |  |  |  |  |  |  |  | X |  |
Buck/jerk | Acceleration/cruise/ deceleration |  |  |  |  |  | X | X |  |  |  |  |  |  |  |  |  |  |  |  |  | X |  |
Hesitation/stumble | Acceleration |  |  |  |  |  | X | X |  |  |  |  |  |  |  |  |  |  |  |  |  | X |  |
Surges | Acceleration/cruise |  |  |  |  |  | X | X |  |  |  |  |  |  |  |  |  |  |  |  |  | X |  | X
12 | Lack/loss of power | Acceleration/cruise |  |  |  |  |  | X | X |  |  |  |  |  |  |  |  |  |  |  |  |  | X | X |
13 | Knocking/pinging | Acceleration/cruise |  |  |  |  |  | X |  |  |  |  |  |  |  |  |  | X |  |  |  |  |  |  | X
14 | Poor fuel economy |  |  |  |  |  | X | X |  |  |  |  |  |  | X |  | X | X |  |  |  | X |  |
15 | Emission compliance |  |  |  |  |  | X | X |  |  |  | X |  |  |  |  | X |  |  |  |  |  |  |
16 | High oil consumption/leakage |  |  |  |  |  |  |  |  | X | X | X |  |  |  |  |  |  |  |  |  |  |  |
17 | Cooling system concerns | Overheating |  |  |  |  |  |  |  |  |  |  |  |  | X | X | X | X | X |  |  |  |  |  |
18 | Cooling system concerns | Runs cold |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | X | X |  |  |  |  |  |
19 | Exhaust smoke |  |  |  |  |  | X |  |  |  |  | X |  |  |  |  | X |  |  |  |  |  |  |
20 | Fuel odor (in engine compartment) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
21 | Engine noise |  |  | X |  |  |  |  |  |  |  | X |  | X |  |  |  |  |  |  |  |  |  |
22 | Vibration concerns (engine) |  |  |  |  |  |  |  |  |  |  |  |  | X |  |  |  |  | X | X |  |  |  |
23 | A/C does not work sufficiently |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
24 | A/C is always on or A/C compressor runs continuously |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
25 | A/C is not cut off under wide open throttle conditions |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
26 | Exhaust sulphur smell |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | X |  |
27 | Spark plug condition |  |  |  |  |  | X |  |  |  |  | X |  |  |  |  |  |  |  |  |  |  |  |
28 | ATX concerns | Upshift/downshift/engagement | (See SYMPTOM TROUBLESHOOTING ITEM TABLE [SJ6A-EL].)

X: Applied

Troubleshooting item |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
1 | Melting of main or other fuses |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2 | MIL illuminates | X |  |  |  |  | X |  | X |  |  |  |  |  | X |  |  |  |  |
3 | Will not crank |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
4 | Hard to start/long crank/erratic start/erratic crank |  |  | X | X |  | X |  |  | X |  |  | X | X | X | X | X | X | X | X
5 | Engine stalls | After start/at idle | X | X | X | X |  | X |  |  | X | X | X | X | X | X | X | X | X | X | X
6 | Cranks normally but will not start | X | X | X | X |  | X |  |  | X | X | X | X | X | X | X | X | X | X | X
7 | Slow return to idle | X |  |  |  |  |  | X |  |  |  |  |  |  |  |  |  |  |  |
8 | Engine runs rough/rolling idle |  | X | X | X | X | X |  |  | X |  | X | X | X | X | X | X | X | X | X
9 | Fast idle/runs on |  |  |  | X |  | X | X |  |  |  |  |  |  |  |  |  |  |  |
10 | Low idle/stalls during deceleration |  |  |  | X |  | X |  |  | X |  |  |  |  |  |  |  |  |  |
11 | Engine stalls/quits | Acceleration/cruise |  | X | X | X |  | X | X |  | X |  |  | X | X | X | X | X | X | X | X
Engine runs rough | Acceleration/cruise |  | X | X | X |  | X | X |  | X |  |  | X | X | X | X | X | X | X | X
Misses | Acceleration/cruise |  | X | X | X |  | X | X |  | X |  |  | X | X | X | X | X | X | X | X
Buck/jerk | Acceleration/cruise/ deceleration |  | X | X | X |  | X | X |  | X |  |  | X | X | X | X | X | X | X | X
Hesitation/stumble | Acceleration | X | X | X | X |  | X | X |  | X |  |  | X | X | X | X | X | X | X | X
Surges | Acceleration/cruise | X | X | X | X |  | X | X |  | X |  |  | X | X | X | X | X | X | X | X
12 | Lack/loss of power | Acceleration/cruise | X | X | X | X |  | X | X | X | X |  |  | X | X | X | X | X | X | X | X
13 | Knocking/pinging | Acceleration/cruise |  | X |  |  |  |  |  |  |  |  |  |  |  |  |  |  | X | X |
14 | Poor fuel economy | X |  | X |  |  |  |  | X |  |  |  |  | X |  |  |  |  | X |
15 | Emission compliance |  |  | X | X |  |  | X |  | X |  |  | X | X |  |  |  | X | X | X
16 | High oil consumption/leakage |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
17 | Cooling system concerns | Overheating |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
18 | Cooling system concerns | Runs cold |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
19 | Exhaust smoke |  |  | X |  |  |  |  |  |  |  |  |  | X |  |  |  | X | X | X
20 | Fuel odor (in engine compartment) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | X |
21 | Engine noise |  |  |  | X |  |  |  |  | X |  |  |  |  |  |  |  |  |  |
22 | Vibration concerns (engine) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
23 | A/C does not work sufficiently |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
24 | A/C is always on or A/C compressor runs continuously |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
25 | A/C is not cut off under wide open throttle conditions |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
26 | Exhaust sulphur smell |  |  |  |  |  |  |  |  | X |  |  |  |  |  |  |  | X | X | X
27 | Spark plug condition |  |  | X |  |  |  |  |  |  |  |  |  | X | X |  |  | X | X | X
28 | ATX concerns | Upshift/downshift/engagement | (See SYMPTOM TROUBLESHOOTING ITEM TABLE [SJ6A-EL].)

X: Applied

Troubleshooting item |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
1 | Melting of main or other fuses |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2 | MIL illuminates |  |  |  | X |  | X |  |  |  |  |  |  |  |  |  |  | X |  |  | X | X | X
3 | Will not crank |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | X | X |  |  |
4 | Hard to start/long crank/erratic start/erratic crank |  |  | X |  |  | X | X |  | X |  |  |  | X |  |  | X |  |  |  |  |  | X
5 | Engine stalls | After start/at idle | X | X |  |  |  | X | X |  | X | X |  |  | X |  | X |  |  |  |  |  |  | X
6 | Cranks normally but will not start | X | X |  |  |  | X | X |  | X | X |  |  | X | X | X |  |  |  |  |  |  | X
7 | Slow return to idle |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | X |  |  |  |  |
8 | Engine runs rough/rolling idle | X |  | X | X | X | X | X |  | X | X |  |  | X |  |  | X |  |  |  |  |  | X
9 | Fast idle/runs on |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | X |  |  |  |  |
10 | Low idle/stalls during deceleration |  |  |  |  |  | X |  |  |  | X |  |  |  |  |  |  |  | X |  | X |  | X
11 | Engine stalls/quits | Acceleration/cruise | X |  | X | X | X | X | X |  | X | X | X | X | X | X | X |  |  |  |  |  |  | X
Engine runs rough | Acceleration/cruise | X |  | X | X | X | X | X |  | X | X | X | X | X | X | X |  |  |  |  |  |  | X
Misses | Acceleration/cruise | X |  | X | X | X | X | X |  | X | X | X | X | X | X | X |  |  |  |  |  |  | X
Buck/jerk | Acceleration/cruise/ deceleration | X |  | X | X | X | X | X |  | X | X | X | X | X | X | X |  |  |  |  |  |  | X
Hesitation/stumble | Acceleration | X |  | X | X | X | X | X |  | X | X | X | X | X | X | X |  |  |  |  |  |  | X
Surges | Acceleration/cruise | X |  | X | X | X | X | X |  | X | X | X | X | X | X | X |  |  |  |  |  |  | X
12 | Lack/loss of power | Acceleration/cruise | X |  |  | X | X |  | X |  | X | X |  |  | X |  |  |  | X |  |  |  |  |
13 | Knocking/pinging | Acceleration/cruise |  |  |  | X |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
14 | Poor fuel economy |  |  | X | X | X |  | X |  |  |  |  |  | X |  |  |  |  |  |  |  |  |
15 | Emission compliance |  |  | X | X | X | X | X | X | X | X |  |  | X |  |  |  |  |  |  |  |  | X
16 | High oil consumption/leakage |  |  |  |  |  |  |  |  |  |  |  |  | X |  |  |  |  |  |  |  |  |
17 | Cooling system concerns | Overheating |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
18 | Cooling system concerns | Runs cold |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
19 | Exhaust smoke | X |  |  |  |  |  |  |  |  |  |  |  | X |  |  |  |  |  |  |  |  |
20 | Fuel odor (in engine compartment) |  | X |  |  |  |  |  |  |  | X |  |  |  |  |  |  |  |  |  |  |  |
21 | Engine noise |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
22 | Vibration concerns (engine) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
23 | A/C does not work sufficiently |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
24 | A/C is always on or A/C compressor runs continuously |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
25 | A/C is not cut off under wide open throttle conditions |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
26 | Exhaust sulphur smell |  |  | X |  |  |  |  |  |  | X |  |  |  |  |  |  |  |  |  |  |  |
27 | Spark plug condition | X | X |  |  |  | X |  |  |  |  |  |  |  |  |  |  | X |  |  |  |  |
28 | ATX concerns | Upshift/downshift/engagement | (See SYMPTOM TROUBLESHOOTING ITEM TABLE [SJ6A-EL].)

X: Applied

Troubleshooting item |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
1 | Melting of main or other fuses |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2 | MIL illuminates | X | X | X | X | X | X |  | X |  |  |  |  |  |  |  | X |  |  |  |  |  |
3 | Will not crank |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | X
4 | Hard to start/long crank/erratic start/erratic crank |  |  |  | X |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
5 | Engine stalls | After start/at idle |  | X |  |  |  |  |  |  | X | X |  |  |  |  |  |  |  |  |  |  |  | X
6 | Cranks normally but will not start |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | X
7 | Slow return to idle |  |  |  |  |  |  |  | X |  |  |  |  |  |  |  |  |  |  |  |  |  |
8 | Engine runs rough/rolling idle |  | X |  |  |  |  |  | X | X | X |  | X |  |  |  |  |  |  |  |  |  |
9 | Fast idle/runs on |  |  |  |  |  |  |  |  |  |  |  | X |  |  |  |  |  |  |  |  |  |
10 | Low idle/stalls during deceleration |  | X | X | X |  | X | X |  |  | X |  |  |  |  |  |  |  | X |  |  |  |
11 | Engine stalls/quits | Acceleration/cruise |  | X |  | X |  | X | X |  | X | X |  |  | X | X |  | X |  |  |  |  |  |
Engine runs rough | Acceleration/cruise |  | X |  | X |  | X | X |  | X | X |  |  | X | X |  | X |  |  |  |  |  |
Misses | Acceleration/cruise |  |  |  | X |  | X | X |  | X | X |  |  | X | X |  | X |  |  |  |  |  |
Buck/jerk | Acceleration/cruise/ deceleration |  |  |  | X |  | X | X |  | X | X |  | X | X | X |  |  |  |  |  |  |  |
Hesitation/stumble | Acceleration |  | X |  | X |  | X | X |  | X | X |  |  | X | X |  | X |  |  |  |  |  |
Surges | Acceleration/cruise |  |  |  | X |  | X | X |  | X | X |  |  | X | X |  | X |  |  |  |  |  |
12 | Lack/loss of power | Acceleration/cruise |  |  |  | X |  | X | X |  | X | X |  |  | X | X |  | X | X |  |  |  |  |
13 | Knocking/pinging | Acceleration/cruise | X |  |  | X | X |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
14 | Poor fuel economy |  |  |  | X |  |  |  |  |  | X | X |  | X |  | X |  | X |  |  |  |  |
15 | Emission compliance |  | X |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
16 | High oil consumption/leakage |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
17 | Cooling system concerns | Overheating |  |  |  |  |  |  |  |  | X | X |  |  |  |  |  |  |  |  |  |  |  |
18 | Cooling system concerns | Runs cold |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
19 | Exhaust smoke |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
20 | Fuel odor (in engine compartment) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
21 | Engine noise |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | X |  |  |  |
22 | Vibration concerns (engine) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | X | X | X | X |
23 | A/C does not work sufficiently |  |  |  |  |  |  |  |  | X | X | X |  |  |  |  |  |  |  |  |  |  |
24 | A/C is always on or A/C compressor runs continuously |  |  |  |  |  |  |  |  |  | X | X |  |  |  |  |  |  |  |  |  |  |
25 | A/C is not cut off under wide open throttle conditions |  |  |  |  |  |  | X |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
26 | Exhaust sulphur smell |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
27 | Spark plug condition |  |  | X | X |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
28 | ATX concerns | Upshift/downshift/engagement | (See SYMPTOM TROUBLESHOOTING ITEM TABLE [SJ6A-EL].)

X: Applied

Troubleshooting item |
--- | ---
1 | Melting of main or other fuses |
2 | MIL illuminates |
3 | Will not crank |
4 | Hard to start/long crank/erratic start/erratic crank |
5 | Engine stalls | After start/at idle |
6 | Cranks normally but will not start |
7 | Slow return to idle |
8 | Engine runs rough/rolling idle |
9 | Fast idle/runs on |
10 | Low idle/stalls during deceleration |
11 | Engine stalls/quits | Acceleration/cruise |
Engine runs rough | Acceleration/cruise |
Misses | Acceleration/cruise |
Buck/jerk | Acceleration/cruise/ deceleration | X
Hesitation/stumble | Acceleration | X
Surges | Acceleration/cruise | X
12 | Lack/loss of power | Acceleration/cruise | X
13 | Knocking/pinging | Acceleration/cruise |
14 | Poor fuel economy |
15 | Emission compliance |
16 | High oil consumption/leakage |
17 | Cooling system concerns | Overheating |
18 | Cooling system concerns | Runs cold |
19 | Exhaust smoke |
20 | Fuel odor (in engine compartment) |
21 | Engine noise |
22 | Vibration concerns (engine) |
23 | A/C does not work sufficiently |
24 | A/C is always on or A/C compressor runs continuously |
25 | A/C is not cut off under wide open throttle conditions |
26 | Exhaust sulphur smell |
27 | Spark plug condition |
28 | ATX concerns | Upshift/downshift/engagement | (See SYMPTOM TROUBLESHOOTING ITEM TABLE [SJ6A-EL].)