Engine Troubleshooting

Symptom

Probable Cause

Action

Indicator Turns On - Engine Running

Engine oil pressure indicator

Low level of engine oil

Check and adjust oil level as necessary

Too high an oil level

Clogged engine oil filter

Replace engine oil filter

Engine coolant indicator

Low engine coolant level

Add engine coolant

Dirty radiator fins

Clean the radiator fins

Engine coolant leaking

See your authorized John Deere dealer or distributor.

V-belt loose or damaged

Adjust V-belt or replace

Contaminated engine coolant

See your authorized John Deere dealer or distributor.

Faulty engine coolant pump

Battery Indicator

V-belt loose or damaged

Adjust V-belt or replace

Battery failure

Check battery condition

Faulty alternator

See your authorized John Deere dealer or distributor.

Indicator Does Not Turn ON - Key Switch is Turned to ON (OFF - ON) - Engine Not Running

 

Faulty electrical wiring or faulty indicator

See your authorized John Deere dealer or distributor.

Indicator Stays On - Key Switch is Turned from Start to ON (START - ON) - Engine Not Running

Battery indicator stays ON

Faulty alternator

See your authorized John Deere dealer or distributor.

Engine oil pressure indicator stays ON

Faulty engine oil pressure switch

No or low level of engine oil

Check and adjust oil level as necessary

Clogged engine oil filter

Replace engine oil filter

Engine Does Not Start

Starter motor operates but engine does not start

No diesel fuel

Refuel and prime fuel system

 

Air in fuel system

Prime fuel system

 

Improper diesel fuel

Replace with recommended diesel fuel

 

Clogged fuel filter

Replace fuel filter

 

Poor fuel injection

See your authorized John Deere dealer or distributor.

 

Compressed air leakage from intake/exhaust valves

 

Faulty engine stop solenoid

Starter motor does not operate or rotates too slowly (engine can be turned manually)

Battery needs charging

Check electrolyte, recharge

 

Faulty cable connection at battery terminals

Clean terminals, retighten

 

Faulty starter switch

See your authorized John Deere dealer or distributor.

 

Faulty starter motor

Engine cannot be manually turned

Inner parts seized or damaged

White or Black Exhaust Smoke

Black exhaust smoke

Engine overloaded

Reduce load

 

Clogged air cleaner element

Clean element or replace

 

Improper diesel fuel

Replace with recommended diesel fuel

 

Faulty spraying of fuel injection

See your authorized John Deere dealer or distributor.

 

Excessive intake/exhaust valve clearance

 

Faulty EGR valve

White exhaust smoke

Improper diesel fuel

Replace with recommended diesel fuel

Faulty spray pattern of fuel injection

See your authorized John Deere dealer or distributor.

Fuel injection timing delay

Engine burning oil

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