1

Melting of main or other fuses

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2

Will not crank

The starter does not work.

3

Hard to start/long crank/erratic start/erratic crank

The starter cranks the engine at normal speed but the engine requires excessive cranking time before starting.

The battery is in normal condition.

4

Engine stalls.

After start/at idle

Engine stop unexpectedly at idle and/or after start.

5

Cranks normally but will not start

The starter cranks the engine at normal speed but the engine will not run.

Refer to symptom troubleshooting “No.5 Engine stalls” if this symptom appears after the engine stall.

Fuel is in the tank.

The battery is in normal condition.

6

Slow return to idle

The engine takes more time than normal to return to the idle speed.

7

Engine runs rough/rolling idle

The engine speed fluctuates between the specified idle speed and lower speed and the engine shakes excessively.

The idle speed is too slow and the engine shakes excessively.

8

Fast idle/runs on

The engine speed continues during at fast idle after warm-up.

The engine runs after the ignition switch is off.

9

Low idle/stalls during deceleration

The engine stops unexpectedly at the beginning of deceleration or recovery from deceleration.

10

Engine stalls/quits.

Acceleration/cruise

The engine stops unexpectedly at beginning of acceleration or during acceleration.

The engine stops unexpectedly while cruising.

Engine runs rough.

Acceleration/cruise

The engine speed fluctuates during acceleration or cruising.

Misses

Acceleration/cruise

The engine misses during acceleration or cruising.

Buck/jerk

Acceleration/cruise/ deceleration

The vehicle bucks/jerks during acceleration, cruising, or deceleration.

Hesitation/stumble

Acceleration

Momentary pause at beginning of acceleration or during acceleration

Surges

Acceleration/cruise

Momentary minor irregularity in engine output

11

Lack/loss of power

Acceleration/cruise

Performance is poor under load (such as power down when climbing hills).

12

Knocking/pinging

Acceleration/cruise

Sound is produced when air/fuel mixture is ignited by something other than spark plug (e.g. hot spot in combustion chamber).

13

Poor fuel economy

Fuel economy is unsatisfactory.

14

Emission compliance

Fails emissions test.

15

High oil consumption/leakage

Oil consumption is excessive.

16

Cooling system concerns

Overheating

Engine runs at higher than normal temperature/overheats.

17

Cooling system concerns

Runs cold

Engine takes excessive period for reaching normal operating temperature.

18

Exhaust smoke

Blue, black, or white smoke from exhaust system

19

Fuel odor (in engine compartment)

Gasoline fuel smell or visible leakage

20

Engine noise

Engine noise from under hood

21

Vibration concerns (engine)

Vibration from under hood or driveline

22

A/C does not work sufficiently.

The A/C compressor magnetic clutch does not engage when the A/C switch is turned on.

23

A/C is always on or A/C compressor runs continuously.

The A/C compressor magnetic clutch does not disengage.

24

A/C does not cut off under wide open throttle (WOT) conditions

The A/C compressor magnetic clutch does not disengage under WOT.

25

Exhaust sulphur smell

Rotten egg smell (sulphur) from exhaust

26

Intermittent concerns

Symptom occurs randomly and is difficult to diagnose.

28

Constant voltage

Incorrect constant voltage