ENGINE TROUBLESHOOTING TABLE
PROBLEM | NO | IMPROPER | DIRT IN | DIRTY AIR | FAULTY | ENGINE | BLOCKED | INCORRECT | DIRTY | |
SPARK | FUEL | OIL | AIR | |||||||
FUEL | FUEL | FUEL LINE | FILTER | OVERLOADED | ||||||
|
|
|
|
| PLUG |
| FILTER | LEVEL | SCREEN | |
Will not start | X |
| X | X | X | X | X |
|
| |
Hard starting | X | X | X | X | X | X | X |
|
| |
Stops suddenly | X |
| X | X |
| X | X | X | X | |
Lacks power |
| X | X | X | X | X | X | X | X | |
Operates erratically |
| X | X | X | X | X | X |
| X | |
Knocks or pings |
| X |
|
|
| X |
|
| X | |
Skips or misfires |
| X | X | X | X |
|
|
| X | |
Backfires |
|
| X | X | X | X |
|
| X | |
Overheats |
|
| X | X |
| X |
| X | X | |
High fuel |
|
|
| X | X | X |
|
| X | |
consumption |
|
|
|
|
|
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