Home / Lawn and Garden Tractors / John Deere Lawn Tractors / John Deere E150

John Deere E150 Troubleshooting

The John Deere E150 is a lawn tractor with Edge cutting system. This model was manufactured from 2018 to 2020. The components of John Deere E150 driveline system: 44.2 cu.in (724 cc) Briggs and Stratton 44N677 4-cycle vertical-shaft V-twin cylinder OHV air-cooled gasoline engine with a maximum power of 22 hp (16.4 kW), and belt-driven hydrostatic transmission with infinite forward and reverse gears.

The engine has a fixed main jet carburetor, integral type fuel pump, full pressure lubrication with full-flow oil filter, and electronic spark ignition system. Max. travel speed (forward and reverse): 5.5 mph (8.8 km/h) / 3.2 mph (5.1 km/h).

The tractor is equipped with a sector and pinion type steering, internal wet disc brakes, 15x6.00-6 front tires, and 20x10.00-8 rear tires. The wheel base is 49" (1240 mm). The John Deere E150 is compatible with a 48" mid-mount 3-blade mower deck with manual lifting system, 44" front-mount two-stage snowblower, and 46" front-mount blade.

Engine Troubleshooting
Engine doesn't start or hard to start
Fuel tank is empty - Add fuel
Incorrect fuel grade - Use correct fuel grade
Air in the fuel pipes - Bleed the fuel pipes
Defective wiring connection of spark plug - Inspect spark plug wiring connection, change or repair
Spark plug is defective - Install new spark plug
Fuel filter is dirty - Fuel filter needs to be replaced
Brake pedal not depressed - Press the brake pedal
Carburetor not adjusted - Adjust according to instructions
Weak cylinder compression - Inspect cylinder block and change worn parts
Not adjusted or damaged throttle cable - Adjust properly or change the cable
Engine runs irregularly
Cooling fins are plugged - Clean and wash as required
Ignition failure - Check ignition system and replace faulty parts
Choke cable is stuck or defective - Change or service the cable
Air filter is dirty - Change or clean air filter
Fuel pump is clogged or faulty - Clean or change fuel pump
Engine starts and then shuts off
Spark plug is defective - Change spark plug
Clogged or faulty carburetor - Repair or clean carburetor
Damaged ignition coil - Replace ignition coil as necessary
Broken or loose valve springs - Replace valve springs
Valves are stuck - Valves must be cleaned
Engine keeps overheating
Engine oil level is insufficient - Fill up the engine oil
Engine is running overloaded - Load reducing is recommended
Cooling fins are plugged - Need to clean or wash
Carburetor mixture is too lean - Set the carburetor correctly
Ignition timing is improper - Set the ignition timing properly
Wrong valve setting - Set the valves properly
Abnormal engine knocking or noise
Low octane gasoline - Change gasoline
Engine is overloaded - Load reducing is recommended
Low engine oil level - Need to add engine oil
Incorrectly adjusted low idle speed - Adjust idling as required
Dirty or defective fuel pump - Inspect fuel pump and change as required
Worn main bearings or crankshaft - Change defective components as required
Valve clearance is incorrect - Adjust valve clearance
Damaged piston rings or cylinder bore - Replace faulty parts
Engine power loss
Dirty or incorrectly adjusted carburetor - Adjust carburetor properly or service it
Air filter element is clogged - Clean or change air filter
Dirty or faulty fuel pump - Inspect fuel pump and change as required
Ignition system problems - Inspect ignition system and change faulty parts
Blown cylinder head gasket - Replace the gasket as required
Valves are stuck or burned - Service or replace valves
Damaged or worn push rod - Push rod needs to be changed
Cylinder block components are worn - Change defective components
Excessive fuel consumption
Throttle does not open well - Inspect throttle cable and adjust it
Carburetor main jet adjustment is improper - Adjust it correctly
Loose or faulty spark plug - Spark plug need to be replaced or tightened
Burned, worn, or stuck valves - Replace or clean valves
Worn piston, rings, or sleeve - Change defective parts
Excessive valve clearance - Adjust to proper valve clearance
Engine consuming too much oil
Damaged gaskets or seals - Worn parts need to be replaced
Valve stems or guides are damaged - Need to replace the valves
Stuck or worn piston rings - Replace piston rings
Scored piston or cylinder liner - Check liner and piston, install new components as required
Blocked breather hose or pipe - Service or change

Hydrostatic Transmission Troubleshooting
HST transmission is excessively noisy
Speed control linkage is defective or unadjusted - Replace or adjust linkage
Transmission is under excessive load - Reduce loading
Insufficient oil level or contaminated oil - Fill to required level or change the transmission oil
Transmission parts are worm or defective - Replace or repair defective components
Hard to shift
Corroded or worn shift linkage - Lubricate or change linkage
Hydrostatic pump is defective or blocked - Repair or replace pump
Worn or misadjusted transmission shift control parts - Change or adjust correctly
Power is too low
Low fluid level - Checking transmission fluid level and add if necessary
Drive pulley is worn or faulty - Install a new pulley
Shifter linkage is not adjusted or faulty - Adjust correctly or replace linkage
Bent or unadjusted speed control pedal linkage - Change or adjust linkage
Transmission leaks
Worn transmission seals or gaskets - Replace seals or gaskets
Final drive shaft leaks - Change shaft seals
Cracked transmission housing - Housing needs to be replaced

Mower Deck Troubleshooting
Mower vibrates too much
Clogged or damaged mower drive sheave - Clean or change sheave
Drive belt is loose or defective - Belt needs to be adjusted or replaced
Not balanced or bent mower blades - Replace or balance blades
Loose blade bolts tightening - Bolts need to be tightened
Discharge chute regular clogging
Fast ground speed - Use a slower speed
Grass is too long - Adjust mower to lower cutting height
Low engine speeds - Open choke fully
Cutting height is too low - Use correct cutting height
Mower deck drive belt installed incorrectly - Reinstall drive belt properly
Mower leaving random uncut of grass
Deck clogged with grass clippings - Need to clean the mower deck
Not sharp blades - Blades need to be sharpened
Blades are defective or worn - Install new blades
High mowing speed - Select a lower speed
Cutting level is too low - Use a higher cutting height
Filled bagger - Bagger must be empty
Blades scalping grass
Uneven or bumpy lawn - Level the lawn
Mower deck set to low cutting - Change cutting height adjustment
Ground speed is too fast - Use a lower speed
Incorrect level of mower deck - Adjust the level of mower deck correctly
Damaged or bent blades - Blades need to be replaced
Low tire pressure - Inflate tires as required
Uneven cutting
Low tire pressure - Check and inflate the tires
Improperly leveled mower deck - Deck should be adjusted correctly
Excessive blade dullness - Need to sharpen the blades
Damaged or worn blades - Install new blades
Deck is plugged with grass - Inspect and clean cutting deck
Deck shell is broken - Repair or change the deck
Mower spindle is faulty or loose - Install new spindle or repair it

Electrical Troubleshooting
Battery cannot be charged
Loose or corroded electrical wiring connections - Tighten or clean electrical wiring connections
Battery terminal connectors are defective - Terminal connectors need to be changed
Faulty cell in battery - Battery change required
Starter turning slow
Low battery power - Battery is drained, charge it
Battery drains quickly - Service charging system or change battery
Corroded battery terminals or disconnected wires - Check wire connections and change or service terminals
Starter doesn't crank
Battery is low or faulty - Charge or replace the battery
Disconnected or incorrectly connected wires - Inspect battery wires and connect correctly
Battery capacity is low - Battery needs to be recharged
Spark plug gapped improperly or faulty - Clean, gap or change spark plug
Starter motor or solenoid failing - Replace solenoid or repair starter




Lawn and Garden Tractors Technical Specs