All Repair Guides

Browse our complete library of 203 troubleshooting guides for outdoor power equipment.

ATVs

Suzuki KingQuad 750 Cranks But Won't Start — EFI & Spark Diagnosis Honda ATV Cranks But Won't Start — Timing Chain & Mechanical Timing Diagnosis Honda ATV Smoking Out Exhaust — Diagnostic & Repair Guide ATV Won't Crank — Starter Circuit Diagnosis

Chainsaws

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Chainsaw Starts Then Dies Stihl Chainsaw Starts Then Dies Chainsaw Bogs Down Under Load Chainsaw Chain Won't Turn Stihl Chainsaw Blade Keeps Coming Off Poulan Chainsaw Chain Won't Move — Mechanical / Drive System Diagnosis Stihl Chainsaw Just Will Not Start Chainsaw Chain Is Dull And Won't Cut Poulan Chainsaw Chain Won't Spin — Mechanical Clutch & Brake Diagnosis Poulan Pro Chainsaw Starts Then Dies Echo CS-400 Bogs Down Under Load — Fuel & Exhaust Diagnosis Husqvarna 455 Rancher Cranks But Won't Start — Fuel & Spark Diagnosis Stihl MS 170 Cranks But Won't Start — Fuel & Spark Fix Chainsaw Cranks But Won't Fire — Fuel, Spark, and Compression Diagnosis Chainsaw Chain Won't Move — Mechanical Drive & Brake Diagnosis Chainsaw Bogs Down Under Load — Fuel & Exhaust Diagnosis Poulan Pro Chainsaw Won't Start

Generators

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Westinghouse Generator Won't Start Generator Won't Stay Running Champion 3500 Watt Generator Cranks But Won't Start — Fuel & Spark Fix Generator Surging Generac Generator Won't Start After Sitting Champion 7500 Watt Generator Won't Start Generac Generator Surging Generac Generator Runs but Produces No Power — AVR and Brush Diagnosis Predator 3500 Inverter Generator Starts Then Stalls — Fuel System & Carburetor Diagnosis Generac Generator Runs But No Power Output — Electrical Diagnosis Generator Battery Keeps Dying Portable Generator Bogs Down Under Load Inverter Generator Won't Idle Down Generator Surges and Dies — Fuel System & Governor Diagnosis Generator Runs But Produces No Power — AVR & Brush Diagnosis Portable Generator Cranks But Won't Start — Fuel & Spark Diagnosis Generator Runs But No Power Output

Leaf Blowers

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Echo PB 580T Leaf Blower Won't Start Echo PB-580 Cranks But Won't Start — Fuel & Spark Fix Stihl BR 600 Backpack Blower Cranks But Won't Start — Fuel & Spark Diagnosis Stihl BR 800 Backpack Blower Won't Start Toro Leaf Blower Loses Power — Bogging and Stalling Under Load Toro Power Max Snow Blower Cranks But Won't Start — Fuel & Spark Fix Leaf Blower Starts Then Dies Toro Snow Blower Won't Start After Summer Leaf Blower Turns Over But Won't Fire — Fuel & Spark Diagnosis Leaf Blower Loses Power Under Load — 2-Stroke Performance Diagnosis Snow Blower Auger Won't Turn — Mechanical Drive & Shear Bolt Diagnosis Craftsman Snow Blower Auger Won't Turn — Mechanical Drive Repair

Pressure Washers

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Pressure Washer Loses Pressure — Pump & Unloader Diagnosis Pressure Washer Cranks But Won't Start — Fuel & Spark Diagnosis Ryobi Pressure Washer No Pressure — Pump and Unloader Valve Diagnosis Pressure Washer Has No Pressure Pressure Washer Surging Pressure Washer Pump Leaking Oil Ryobi Pressure Washer Cranks But Won't Start — Fuel & Spark Diagnosis Ryobi Pressure Washer Won't Start Karcher Pressure Washer Loses Pressure — Pump & Unloader Diagnosis Honda GX200 Pressure Washer Cranks But Won't Start — Fuel & Spark Fix Simpson Pressure Washer Cranks But Won't Start — Fuel & Spark Diagnosis Dewalt Pressure Washer Won't Start

Push Mowers

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Change Oil In Kawasaki 730 Mower Engine Push Mower Won't Start Craftsman Push Mower Cranks But Won't Start — Fuel & Spark Fix Lawn Mower Smoking Black Smoke Push Mower Starts Then Dies Lawn Mower Surging Up And Down Lawn Mower Leaking Oil Kawasaki Mower Engine Won't Stay Running Lawn Mower Cuts Uneven Or Scalps Lawn Push Mower Pull Cord Stuck Honda GCV160 Lawn Mower Won't Start Craftsman Push Mower Cranks But Won't Start — Fuel & Spark Diagnosis Troy-Bilt Push Mower Won't Start After Winter John Deere Mower Deck Has a Hole in It

Riding Mowers

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Briggs & Stratton Lawn Mower Cranks But Won't Start — Fuel & Spark Fix Lawn Mower Starts Then Stalls — Fuel System & Carburetor Diagnosis Riding Mower Cranks But Won't Start — Fuel & Spark Diagnosis Riding Mower Won't Crank — Dead Starting Circuit Diagnosis John Deere Riding Mower Blades Won't Engage Mower Blade Won't Engage — PTO and Belt Mechanical Diagnosis MTD Riding Mower Won't Move Forward or Reverse Mower Cranks But Won't Start — Fuel & Spark Diagnosis Riding Mower Won't Crank — Electrical & Starter Circuit Diagnosis Craftsman Riding Mower Starts Then Stalls — Fuel & Intake System Diagnosis Mower Cranks But Won't Start — Ignition Coil Replacement & No Spark Diagnosis Lawn Mower Bogs Down Under Load — Fuel Starvation & Mechanical Drag Diagnosis Riding Mower Safety Switch Troubleshooting Husqvarna Riding Mower Dead — No Crank / No Click Starting Circuit Diagnosis Mower Runs But Does Not Increase Idle Under Load — Governor & Fuel System Diagnosis John Deere X350 Cranks But Won't Start — Fuel & Spark Diagnosis John Deere X570 Surges at Idle — Kawasaki FS730V Fuel & Governor Fix John Deere L120 Won't Crank — Starter Circuit Diagnosis Husqvarna YTH24V48 Cranks But Won't Start — Fuel & Spark Diagnosis Toro Recycler 22-inch Turns Over But Won't Fire — Fuel & Spark Diagnosis MTD Riding Mower Won't Start Simplicity Riding Mower Won't Crank — Starter Circuit Diagnosis Gravely ZT HD Won't Crank — Dead Starting Circuit Diagnosis Husqvarna Z254 Won't Crank — Dead Starting Circuit Diagnosis Cub Cadet XT1 Cranks But Won't Start — Fuel & Spark Diagnosis Craftsman T110 Riding Mower Dead — No Response Diagnosis Riding Mower Won't Start And Has No Clicking Sound Riding Mower Cranks But Won't Start — Ignition Coil & Spark Diagnosis Riding Mower Won't Go Uphill Riding Mower Blades Won't Engage Riding Mower Battery Keeps Dying Riding Mower Surges at Idle Riding Mower Won't Start Due To PTO Switch Riding Mower Ignition Switch Troubleshooting Riding Mower Loses Power Under Load John Deere Gator XUV Won't Crank — Electrical & Starting Circuit Diagnosis Riding Mower Starter Solenoid Troubleshooting Riding Mower Won't Start or Click When Turning Key Riding Mower Clicks Once But Won't Crank Riding Mower Dies When Blades Are Engaged Craftsman Riding Mower Won't Turn Over

Side-by-Sides

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Polaris Sportsman 570 Cranks But Won't Start — Fuel, Spark, & EFI Diagnosis Polaris Ranger 570 Won't Crank — Starter Circuit & Brake Switch Diagnosis Polaris RZR 900 Cranks But Won't Start — EFI & Ignition Diagnosis Side by Side Won't Crank — Dead / No Response Starting Circuit Diagnosis Can-Am Outlander 570 Cranks But Won't Start — Fuel & Spark Diagnosis

Small Engines

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Snow Blowers

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Ariens Snow Blower Cranks But Won't Start — Fuel & Spark Diagnosis Snow Blower Cranks But Won't Start — Fuel & Spark Diagnosis

Weed Eaters

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String Trimmer Engine Running But Spool Isn't Spinning Stihl FS 91 Trimmer Cranks But Won't Start — 4-MIX Engine Diagnosis Echo Weed Eater Cranks But Won't Start — Fuel, Spark, and Exhaust Diagnosis Trimmer Line Won't Feed — Mechanical Head Diagnosis & Repair Ryobi String Trimmer Line Won't Feed — Bump Head Mechanical Fix Craftsman Weed Eater Cranks But Won't Fire — Fuel & Spark Diagnosis Stihl FS 56 RC Weed Eater Won't Start Echo String Trimmer Head Won't Spin — Mechanical Drive Diagnosis Stihl Weed Eater Won't Stay Running Husqvarna String Trimmer Won't Stay Running Shindaiwa Weed Eater Won't Stay Running Weed Eater String Won't Auto Dispense Weed Eater Primer Bulb Won't Hold Gas Weed Eater Starts Then Dies Weed Eater Turns Over But Won't Fire — Fuel & Spark Diagnosis String Trimmer Line Keeps Breaking Weed Eater Bogs Down Under Load

Zero-Turn Mowers

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Zero Turn Mower Bolts Too Tight Zero Turn Mower Won't Crank — Dead Starting Circuit Diagnosis John Deere Zero Turn Won't Crank — Dead Starting Circuit Diagnosis Cub Cadet Zero Turn Won't Crank — Dead Starting Circuit Diagnosis Toro Zero Turn One Side Not Pulling — Hydrostatic Drive Diagnosis Toro TimeCutter Zero Turn Won't Crank — Dead Starting Circuit Diagnosis Ariens Zero Turn Cranks But Won't Start — Fuel & Spark Diagnosis Zero Turn Mower Won't Move Scag Zero Turn Mower Won't Start Zero Turn Mower Belt Keeps Coming Off Zero Turn Engine Doesn't Start Zero Turn Engine Will Turn Over But Not Start Zero Turn Mower One Side Won't Move Kohler Mower Engine Won't Stay Running