Chart 12

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Warning Indicators: Check Fuel Cap, Malfunction Indicator Lamp (MIL), Power Take Off (PTO), Temperature Warning Indicator Or Gauge (applications with cylinder head temperature [CHT] sensor only), Transmission Control Indicator Lamp (TCIL), Powertrain Malfunction Indicator (Wrench)
PTO Concerns: Not Working Correctly

NOTE:

If the symptom is both a MIL on and exhaust emission test failure, GO directly to Chart 11.
If the engine is a no start, GO directly to Chart 3.
If the engine runs rough at idle, GO directly to Chart 1.

SYSTEM/COMPONENT	REFERENCE (Pinpoint Test unless noted)
Check Fuel Cap	Verify the fuel filler cap is correctly tightened or the capless fuel tank filler pipe is correctly sealed. REFER to the Service Information, Instrumentation, Message Center, And Warning Chimes, to diagnose the check fuel message.