F1–58
TROUBLESHOOTING
QUICK DIAGNOSTIC CHART
A6E398018881202
X: Applicable
Possible factor
Troubleshooting item
Starter motor malfunction (Mechanical or electrical)
Starter circuit including ignition switch is open.
Starter interlock switch malfunction (MTX with starter
interlock system)
Improper engine oil level
Low or dead battery
Charging system malfunction
Improper engine compression
Improper valve timing
Hydrolocked engine
Improper engine oil viscosity
Improper dipstick
Base engine malfunction
Drive plate or flywheel are seized.
Improper tension or damaged drive belts
Improper engine coolant level
Water and anti-freeze mixture is improper.
Cooling system malfunction (Radiator, hoses,
overflow system, thermostat, etc.)
Cooling fan system malfunction
Engine or transaxle mounts are improperly installed.
Cooling fan or condenser fan seat are improper.
Accelerator cable free play misadjustment
Cruise control cable misadjustment
Fuel quality
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/lon
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 x x x
7 Slow return to idle x
8 Engine runs rough/rolling idle x x x
9 Fast idle/runs on xx
10 Low idle/stalls during deceleration
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
xx x
Hesitation/stumble Acceleration x x x
11
Surges Acceleration/cruis
xx x
12 Lack/loss of powe
Acceleration/cruis
xx x
13 Knocking/pinging Acceleration/cruis
xx
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 Coolin
s
stem concerns Overheatin
xx 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 WOT conditions.
26 Exhaust sulfur smell x
27 Constant voltage
28 Spark plug condition x x
29 ATX concerns Upshift/downshift
engagement
See Section K, TROUBLESHOOTING
A6E39802001
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