Specifications

ENGINE TROUBLESHOOTING
PROBLEM PROBABLE CAUSE PROBLEM PROBABLE CAUSE
Low oil pressure. 1. Low oil level. Blue exhaust smoke 1. Lube oil is diluted.
2. Wrong SAE type oil in the engine.
discharge from the
2. High lube oil level.
3. Faulty or wrong type oil filter.
engine.
3. Crankcase breather hose is clogged.
4. Relief valve is stuck. 4. Valves are worn or adjusted
5. Faulty oil pump.
incorrectly.
6. Faulty engine bearings.
5. Piston rings are worn
7. Fau Ity oil filter.
or unseated.
High oil pressure. 1. Dirty oil or wrong SAE type oil in the
engine.
2. Relief valve is stuck.
Black exhaust smoke 1. Dirty flame arrester.
discharge from the
2.
Lube oil is diluted.
engine.
3.
Valves are worn or incorrectly
No DC charge to the
1.
Loose/corroded battery charge
starti ng battery.
Circuit connection(s).
2. Faulty alternator regulator.
adjusted.
4.
Piston rings are worn or unseated ..
5. Cankcase breather hose is clogged.
3. Faulty DC alternator.
Poor Performance 1. Fuel pump clogged. Remove and
4. Slipping alternator drive belt.
5. Broken alternator drive belt.
at generator speed. replace.
2.
Throttle body filter screen dirty.
3. Fuel filter contaminated.
CHECK ENGINE LIGHT (YELLOW)
When the Check Engine Light is illuminated, the PC Interface Diagnostics will indicate the problem.
NOTE: To properly troubleshoot the Check Engine light, the PC lnteiface Diagnostics MUST be
used to properly determine the fault cause.
PROBLEM PROBABLE CAUSE
Wide Band 0
2
Sensor. 1. Sensor Failure.
2. Sensor wiring issue.
Crossing Stoich. 1. Sensor failure.
2. Sensor wiring issue.
3. Air intake obstructed.
0
2
Sensor out of range.
1. Air intake obstructed.
NOTE: To extinguish the Check Engine Light once the fault is corrected. The unit must be put
through three (3) consecutive successful start and stop sequences, each having a run period of
approximately four (4) running minutes.
Eng/nes & Generators
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