QUICK DIAGNOSTIC CHART [MZR 1.8, MZR 2.0, MZR 2.5]

id0103d4800600

X: Applied

Troubleshooting item
1
Melting of main or other fuses
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
2
MIL illuminates
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
3
Will not crank
X
X
X
X
 
X
X
 
 
X
 
 
 
X
 
 
 
 
 
4
Hard to start/long crank/erratic start/erratic crank
X
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
X
 
5
Engine stalls
After start/at idle
 
 
 
 
 
 
 
X
X
 
 
 
 
 
 
 
 
 
 
6
Cranks normally but will not start
 
 
 
 
 
 
 
X
X
 
 
 
 
 
 
 
 
 
 
7
Slow return to idle
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
X
 
8
Engine runs rough/rolling idle
 
 
 
 
 
 
 
X
X
 
 
 
 
 
 
 
 
 
 
9
Fast idle/runs on
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
10
Low idle/stalls during deceleration
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
11
Engine stalls/quits
Acceleration/cruise
 
 
 
 
 
 
 
X
X
 
 
 
 
 
 
 
 
 
 
Engine runs rough
Acceleration/cruise
 
 
 
 
 
 
 
X
X
 
 
 
 
 
 
 
 
 
 
Misses
Acceleration/cruise
 
 
 
 
 
 
 
X
X
 
 
 
 
 
 
 
 
 
 
Buck/jerk
Acceleration/cruise/ deceleration
 
 
 
 
 
 
 
X
X
 
 
 
 
 
 
 
 
 
 
Hesitation/stumble
Acceleration
 
 
 
 
 
 
 
X
X
 
 
 
 
 
 
 
 
 
 
Surges
Acceleration/cruise
 
 
 
 
 
 
 
X
X
 
 
 
 
 
 
 
 
 
 
12
Lack/loss of power
Acceleration/cruise
 
 
 
 
 
 
 
X
X
 
 
 
 
 
 
 
 
 
 
13
Knocking/pinging
Acceleration/cruise
 
 
 
 
 
 
 
X
 
 
 
 
 
 
 
 
 
X
 
14
Poor fuel economy
 
 
 
 
 
 
 
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
 
 
 
 
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
 
 
 
 
 
 
 
X
 
 
 
 
 
 
 
 
 
 
 
28
ATX concerns
Upshift/downshift/engagement
(See SYMPTOM TROUBLESHOOTING ITEM TABLE [FS5A-EL].)

*1  :Vehicles with advanced keyless entry and push button start system
*2  :Vehicles without advanced keyless entry and push button start system

X: Applied

Troubleshooting item
1
Melting of main or other fuses
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
2
MIL illuminates
 
 
 
 
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
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
7
Slow return to idle
 
 
 
 
 
 
 
 
X
 
 
 
X
 
 
 
 
 
8
Engine runs rough/rolling idle
 
 
 
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
Engine runs rough
Acceleration/cruise
 
 
 
X
X
X
X
X
X
 
 
X
X
 
X
 
 
X
Misses
Acceleration/cruise
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
Hesitation/stumble
Acceleration
X
 
 
X
X
X
X
X
X
 
 
X
X
 
X
 
 
X
Surges
Acceleration/cruise
 
 
 
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
13
Knocking/pinging
Acceleration/cruise
 
 
 
 
 
 
X
 
 
 
 
 
 
 
 
 
 
 
14
Poor fuel economy
 
 
 
X
X
X
 
X
 
 
 
 
 
X
 
 
 
X
15
Emission compliance
 
 
 
 
 
 
 
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
20
Fuel odor (in engine compartment)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
21
Engine noise
 
 
 
 
 
 
 
 
X
 
 
 
 
 
X
 
 
 
22
Vibration concerns (engine)
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
 
 
 
 
 
 
 
 
 
 
X
 
 
 
27
Spark plug condition
 
 
 
 
 
 
 
X
 
 
 
 
 
 
 
 
 
X
28
ATX concerns
Upshift/downshift/engagement
(See SYMPTOM TROUBLESHOOTING ITEM TABLE [FS5A-EL].)

X: Applied

Troubleshooting item
1
Melting of main or other fuses
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
2
MIL illuminates
 
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
 
6
Cranks normally but will not start
X
X
X
X
X
X
X
X
X
 
 
 
 
X
 
X
 
X
 
7
Slow return to idle
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
10
Low idle/stalls during deceleration
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
X
 
11
Engine stalls/quits
Acceleration/cruise
X
X
X
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
 
X
 
X
X
Misses
Acceleration/cruise
X
X
X
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
 
X
 
X
X
Hesitation/stumble
Acceleration
X
X
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
 
X
X
12
Lack/loss of power
Acceleration/cruise
X
X
X
X
X
X
X
X
 
 
X
X
 
X
 
X
 
X
 
13
Knocking/pinging
Acceleration/cruise
X
 
 
 
X
X
X
 
 
 
 
 
 
 
 
 
 
 
 
14
Poor fuel economy
X
 
 
 
X
X
X
 
 
X
 
 
 
X
 
 
 
 
 
15
Emission compliance
X
 
 
 
X
X
X
 
 
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
 
X
X
X
 
 
 
 
 
 
 
20
Fuel odor (in engine compartment)
 
 
 
 
X
X
 
 
X
X
 
 
 
 
 
 
 
X
 
21
Engine noise
 
 
 
 
 
 
 
 
 
 
 
 
 
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
 
 
 
 
 
 
 
X
 
27
Spark plug condition
X
 
 
 
X
X
X
X
X
 
 
 
X
X
 
 
 
 
 
28
ATX concerns
Upshift/downshift/engagement
(See SYMPTOM TROUBLESHOOTING ITEM TABLE [FS5A-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
X
 
 
 
 
 
 
 
 
 
4
Hard to start/long crank/erratic start/erratic crank
 
 
 
 
 
 
X
 
 
 
 
 
 
 
 
 
 
X
 
5
Engine stalls
After start/at idle
 
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
 
9
Fast idle/runs on
 
 
 
 
 
 
 
X
 
X
X
X
 
 
 
 
 
 
 
10
Low idle/stalls during deceleration
 
 
 
 
 
 
 
X
 
X
X
X
X
 
 
 
 
X
 
11
Engine stalls/quits
Acceleration/cruise
X
X
 
 
 
X
 
 
 
 
 
 
 
X
X
 
X
X
 
Engine runs rough
Acceleration/cruise
X
X
 
 
 
X
 
 
 
 
 
 
 
X
X
 
X
X
 
Misses
Acceleration/cruise
X
X
 
 
 
X
 
 
 
 
 
 
 
X
X
 
 
X
 
Buck/jerk
Acceleration/cruise/ deceleration
X
X
 
 
 
X
 
 
 
 
 
 
 
X
X
 
 
X
 
Hesitation/stumble
Acceleration
X
X
 
 
 
X
 
 
 
 
 
 
 
X
X
 
X
X
 
Surges
Acceleration/cruise
X
X
 
 
 
X
 
 
 
 
 
 
 
X
X
 
 
X
 
12
Lack/loss of power
Acceleration/cruise
 
X
 
 
 
 
 
 
 
 
 
 
 
 
 
X
 
X
 
13
Knocking/pinging
Acceleration/cruise
 
 
 
 
 
 
 
X
 
 
 
 
 
 
 
X
 
X
X
14
Poor fuel economy
 
X
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
X
 
15
Emission compliance
 
X
 
 
 
 
 
 
 
 
 
 
 
 
X
 
 
 
 
16
High oil consumption/leakage
 
X
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
17
Cooling system concerns
Overheating
 
 
 
 
 
 
 
X
 
 
 
 
 
 
 
 
 
 
 
18
Cooling system concerns
Runs cold
 
 
 
 
 
 
 
X
 
 
 
 
 
 
 
 
 
 
 
19
Exhaust smoke
 
X
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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
 
 
 
 
 
 
 
X
 
 
 
 
 
 
X
 
 
X
 
28
ATX concerns
Upshift/downshift/engagement
(See SYMPTOM TROUBLESHOOTING ITEM TABLE [FS5A-EL].)

X: Applied

Troubleshooting item
1
Melting of main or other fuses
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
2
MIL illuminates
X
X
 
 
 
 
 
 
X
 
 
 
 
 
 
 
X
 
3
Will not crank
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
X
4
Hard to start/long crank/erratic start/erratic crank
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
5
Engine stalls
After start/at idle
X
X
X
X
 
 
 
 
 
 
 
 
X
 
 
 
X
X
6
Cranks normally but will not start
X
X
 
 
 
 
 
 
 
 
 
 
 
 
 
 
X
X
7
Slow return to idle
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
8
Engine runs rough/rolling idle
 
 
X
X
 
 
 
 
 
 
 
 
X
 
 
 
 
 
9
Fast idle/runs on
 
X
 
 
 
X
 
 
 
 
 
 
 
 
 
 
 
 
10
Low idle/stalls during deceleration
X
X
X
X
X
 
 
 
X
 
 
 
 
 
 
 
 
 
11
Engine stalls/quits
Acceleration/cruise
X
X
X
X
 
 
X
X
X
 
 
 
 
 
 
 
 
 
Engine runs rough
Acceleration/cruise
X
X
X
X
 
 
X
X
X
 
 
 
 
 
 
 
 
 
Misses
Acceleration/cruise
X
X
X
X
 
 
X
X
X
 
 
 
 
 
 
 
 
 
Buck/jerk
Acceleration/cruise/ deceleration
X
X
X
X
 
 
X
X
X
 
 
 
 
 
 
 
 
 
Hesitation/stumble
Acceleration
X
X
X
X
 
 
X
X
X
 
 
 
 
 
 
 
 
 
Surges
Acceleration/cruise
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
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
14
Poor fuel economy
 
 
 
 
 
 
 
X
 
X
X
X
 
 
 
 
 
 
15
Emission compliance
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
16
High oil consumption/leakage
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
17
Cooling system concerns
Overheating
 
 
X
X
 
 
 
 
 
 
 
 
 
 
 
 
X
 
18
Cooling system concerns
Runs cold
 
 
 
X
 
 
 
 
 
 
 
 
 
 
 
 
X
 
19
Exhaust smoke
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
20
Fuel odor (in engine compartment)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
21
Engine noise
 
 
 
 
 
 
 
 
 
 
X
 
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
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
28
ATX concerns
Upshift/downshift/engagement
(See SYMPTOM TROUBLESHOOTING ITEM TABLE [FS5A-EL].)

X: Applied

Troubleshooting item
1
Melting of main or other fuses
 
 
 
 
2
MIL illuminates
 
 
X
 
3
Will not crank
X
X
 
 
4
Hard to start/long crank/erratic start/erratic crank
 
 
 
 
5
Engine stalls
After start/at idle
X
 
 
 
6
Cranks normally but will not start
X
 
 
 
7
Slow return to idle
 
 
 
 
8
Engine runs rough/rolling idle
 
 
 
 
9
Fast idle/runs on
 
 
X
 
10
Low idle/stalls during deceleration
 
 
X
 
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 [FS5A-EL].)

*3  :From GH1***-429761,GH1***-442043,GH10**-206766,GH10**-210449,GH****-210421