🔧Appliance

FUEL LEAK

Husqvarna · LC221FHE 21 in 163 cc 4-Stroke Walk-Behind Mower with Electric Start and Mulching Capability

Husqvarna LC221FHE 21 in 163 cc 4-Stroke Walk-Behind Mower with Electric Start and Mulching Capability FUEL LEAK Error Fix: Fuel Leaking

Fuel leaks from the mower — check the fuel cap gasket for cracks, the fuel line connections for looseness, and the carburetor gaskets for deterioration; a cracked fuel tank develops leaks over time from UV exposure and vibration; ethanol in fuel accelerates degradation of rubber and plastic fuel system components; fuel leaks on a hot engine are an extreme fire hazard

Medium severity2 fixes available

Quick Answer

Error FUEL LEAK on the Husqvarna LC221FHE 21 in 163 cc 4-Stroke Walk-Behind Mower with Electric Start and Mulching Capability means: Fuel Leaking. The top-ranked community fix is “Replace Fuel Line and Carburetor Gaskets to Stop Fuel Leak” (medium difficulty, ~60 min, DIY cost: $15-$25). 2 community-ranked fixes available below.

Published February 2026 · 2 fixes · push mower

Content is based on manufacturer service documentation, community repair experience, and OEM technical bulletins. Always verify with your owner's manual.Learn about our editorial standards.

When to Call a Professional

While many push mower repairs can be done safely at home, consider hiring a qualified technician if:

The repair involves electrical wiring, gas lines, or refrigerant
You've tried the top-ranked fix and the error persists
You smell gas, see sparking, or notice water leaking
The repair requires specialized tools you don't have
Your appliance is still under manufacturer warranty

Average professional repair cost for this issue: $120-$180.

Other Husqvarna Models with Error FUEL LEAK

350BT 50.2 cc Gas Backpack Leaf Blower

leaf_blower · 2 fixes

455 Rancher 55.5 cc 3.5 HP Gas Chainsaw with X-Torq Engine and Air Injection

chainsaw · 2 fixes

460 Rancher 24 in 60cc Gas Chainsaw

chainsaw · 2 fixes

525LST 25.4 cc 17 in Gas String Trimmer

string_trimmer · 2 fixes

HU800AWD 22 in. 190cc Honda GCV190 All-Wheel Drive Self-Propelled Gas Mower

push_mower · 2 fixes

Other Husqvarna LC221FHE 21 in 163 cc 4-Stroke Walk-Behind Mower with Electric Start and Mulching Capability Error Codes

Drive Belt Slipping

Blade Will Not Spin

Grass Clumping Under Deck

2 fixes

DIES UNDER LOAD

Engine Dies When Cutting

2 fixes

ELECTRIC START FAIL

Electric Start Not Working

2 fixes

HARD TO PULL

Starter Cord Very Hard to Pull

2 fixes

HEIGHT ADJUST STUCK

Height Adjuster Jammed

2 fixes

HIGH VIBRATION

Excessive Vibration

2 fixes

People Also Ask About Husqvarna LC221FHE 21 in 163 cc 4-Stroke Walk-Behind Mower with Electric Start and Mulching Capability Error FUEL LEAK

What does error code FUEL LEAK mean on a Husqvarna LC221FHE 21 in 163 cc 4-Stroke Walk-Behind Mower with Electric Start and Mulching Capability?

Error code FUEL LEAK on the Husqvarna LC221FHE 21 in 163 cc 4-Stroke Walk-Behind Mower with Electric Start and Mulching Capability means: Fuel Leaking. Fuel leaks from the mower — check the fuel cap gasket for cracks, the fuel line connections for looseness, and the carburetor gaskets for deterioration; a cracked fuel tank develops leaks over time from UV exposure and vibration; ethanol in fuel accelerates degradation of rubber and plastic fuel system components; fuel leaks on a hot engine are an extreme fire hazard

How do I fix error code FUEL LEAK on my Husqvarna LC221FHE 21 in 163 cc 4-Stroke Walk-Behind Mower with Electric Start and Mulching Capability?

The most successful fix is "Replace Fuel Line and Carburetor Gaskets to Stop Fuel Leak" (medium difficulty, ~60 minutes). Estimated DIY cost: $15-$25. HomeMD has 2 community-ranked fixes for this error.

Is error code FUEL LEAK on a Husqvarna LC221FHE 21 in 163 cc 4-Stroke Walk-Behind Mower with Electric Start and Mulching Capability serious?

This error is rated medium severity. It should be addressed soon, but your appliance may still function in a limited capacity.

Can I fix Husqvarna LC221FHE 21 in 163 cc 4-Stroke Walk-Behind Mower with Electric Start and Mulching Capability error FUEL LEAK myself?

Yes — the top-ranked community fix ("Replace Fuel Line and Carburetor Gaskets to Stop Fuel Leak") is rated medium difficulty and takes about 60 minutes. Tools needed: Flathead screwdriver, Pliers, Socket wrench set, Fuel siphon pump.

How much does it cost to repair Husqvarna LC221FHE 21 in 163 cc 4-Stroke Walk-Behind Mower with Electric Start and Mulching Capability error FUEL LEAK?

DIY cost: $15-$25. Professional repair typically costs $120-$180. Many homeowners save money by trying the top-ranked community fix first.

What other error codes does the Husqvarna LC221FHE 21 in 163 cc 4-Stroke Walk-Behind Mower with Electric Start and Mulching Capability have?

The Husqvarna LC221FHE 21 in 163 cc 4-Stroke Walk-Behind Mower with Electric Start and Mulching Capability has 8 other known error codes, including: BELT SLIP (Drive Belt Slipping), BLADE WON'T ENGAGE (Blade Will Not Spin), DECK CLOG (Grass Clumping Under Deck), DIES UNDER LOAD (Engine Dies When Cutting), ELECTRIC START FAIL (Electric Start Not Working), and 3 more.

Which other Husqvarna models have the FUEL LEAK error?

Error code FUEL LEAK also appears on 5 other Husqvarna models: 350BT 50.2 cc Gas Backpack Leaf Blower, 455 Rancher 55.5 cc 3.5 HP Gas Chainsaw with X-Torq Engine and Air Injection, 460 Rancher 24 in 60cc Gas Chainsaw, 525LST 25.4 cc 17 in Gas String Trimmer, HU800AWD 22 in. 190cc Honda GCV190 All-Wheel Drive Self-Propelled Gas Mower. The fix may vary by model, so check each model's specific page for tailored repair steps.

What other error codes does the Husqvarna LC221FHE 21 in 163 cc 4-Stroke Walk-Behind Mower with Electric Start and Mulching Capability have?

The Husqvarna LC221FHE 21 in 163 cc 4-Stroke Walk-Behind Mower with Electric Start and Mulching Capability has 8 other known error codes:

BELT SLIP — Drive Belt Slipping (2 fixes)
BLADE WON'T ENGAGE — Blade Will Not Spin (2 fixes)
DECK CLOG — Grass Clumping Under Deck (2 fixes)
DIES UNDER LOAD — Engine Dies When Cutting (2 fixes)
ELECTRIC START FAIL — Electric Start Not Working (2 fixes)
HARD TO PULL — Starter Cord Very Hard to Pull (2 fixes)
HEIGHT ADJUST STUCK — Height Adjuster Jammed (2 fixes)
HIGH VIBRATION — Excessive Vibration (2 fixes)

Which other Husqvarna models have the FUEL LEAK error?

Error code FUEL LEAK also appears on 5 other Husqvarna models:

350BT 50.2 cc Gas Backpack Leaf Blower (leaf blower) · 2 fixes
455 Rancher 55.5 cc 3.5 HP Gas Chainsaw with X-Torq Engine and Air Injection (chainsaw) · 2 fixes
460 Rancher 24 in 60cc Gas Chainsaw (chainsaw) · 2 fixes
525LST 25.4 cc 17 in Gas String Trimmer (string trimmer) · 2 fixes
HU800AWD 22 in. 190cc Honda GCV190 All-Wheel Drive Self-Propelled Gas Mower (push mower) · 2 fixes

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