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Problem
The malfunction indicator light (MIL)
comes on.
Possible Cause
1. The engine is too hot.
2. There is old fuel in the fuel tank.
3. The fuel-shutoff valve is not open
completely.
4. The air cleaner is dirty.
5. The battery is not charged.
6. Incorrect fuel filters are being used or
the fuel filters are dirty.
7. The connections to the sensors
electronic control unit (ECU) and fuel
injectors are not secured properly.
8. There is low voltage from the battery.
9. A fuse is blown.
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Corrective Action
1. Turn the engine off and let it cool.
2. Use new fuel.
3. Open the fuel-shutoff valve.
4. Make sure that the air cleaner and
precleaner are clean. Replace them if
necessary.
5. Charge or replace the battery.
6. Contact an Authorized Service Dealer.
7. Contact an Authorized Service Dealer.
8. Ensure that a good 12 V battery is
being used and is fully charged.
9. Check and replace any blown fuses.
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