Monroe's Engine Repair Experts
We diagnose, repair, rebuild, and replace gas and diesel engines backed by 75+ years of hands-on experience in Monroe, WA. If your engine is knocking, smoking, or losing power, bring it to FS Autoworx.
FS Autoworx is a licensed diesel and automotive repair shop serving Monroe, WA, and the greater Snohomish County area since September 2020.
Take your car to an engine repair shop in Monroe as soon as you notice unusual knocking or ticking sounds, visible smoke from the exhaust or hood, sudden loss of acceleration or power, or a check engine or oil pressure warning light. Each of these signals points to a problem that gets worse the longer you wait.
Engine problems do not fix themselves. An oil leak slowly starves moving parts of lubrication, and what starts as a simple seal replacement can become a damaged crankshaft or rod bearing if you drive on it too long. A misfiring cylinder forces the others to pick up the slack, putting extra heat and stress on components that were designed to share the load evenly. And a failing head gasket lets coolant mix with oil, overheating the engine and warping the head or block. Catch it early and the repair bill is manageable. Let it go, and you are looking at a full rebuild or replacement. The sooner you bring your vehicle in, the more options you have.
Complete Engine Services for Gas and Diesel Vehicles
Engine Diagnostics
We use professional scan tools and hands-on inspection to find the root cause before we ever order a part. Guessing at repairs wastes your money and your time. A proper diagnosis tells us exactly what is wrong, so we fix the right thing the first time.
Engine Repair
When the engine block and core structure are still sound, repair is the right call. We work on timing chains, gaskets, seals, pistons, and valves, restoring what is worn or damaged without replacing the whole engine. You get a reliable result at a fraction of the replacement cost.
Engine Rebuilds
A rebuild means we pull the engine completely, measure every tolerance, replace worn components, and put it back together to factory specification. If your vehicle is in good shape overall, a rebuild extends engine life significantly and often costs less than a full replacement. It is the right investment in a vehicle worth keeping.
Engine Replacements
When the damage is severe, such as a spun bearing, cracked block, or collapsed internal structure, replacement is the better path. We source quality replacement engines and handle every step of the swap so you get a reliable powertrain back in your vehicle without the guesswork.
Engine Swaps
Drivers upgrading their vehicle's powertrain can bring that project to us. We have experience fitting both gas and diesel engines into compatible platforms, whether you are chasing more power or better efficiency. We make sure the swap is done right and the vehicle leaves running the way it should.
75+Years of Engine Experience Behind Every Repair
We are a family-owned shop founded by Jeremy Harbison in September 2020, right here in Monroe, WA. Jeremy brings 75+ years of hands-on diesel and automotive experience to every engine job that comes through our doors. When you drop off your vehicle with us, it gets the same level of attention we would give our own.
75+ years of diesel and gas engine experience
Engine work on domestic, import, European, and diesel platforms
Diagnostics using professional-grade scan tools, not guesswork
Located at 18970 State Route 2, Monroe, WA, serving all of Snohomish County
We serve Monroe, Lake Stevens, Duvall, Woodinville, Bothell, Sultan, Snohomish, and Everett. Reach us by phone at (360) 548-3491. Our hours are Monday through Thursday 8:00am to 6:00pm and Friday 8:00am to 12:30pm.
Your Engine Problem Has a Solution. Call FS Autoworx
We serve Monroe and all of Snohomish County. Reach us at 18970 State Route 2, Monroe, WA 98272. Monday through Thursday, 8:00am to 6:00pm; Friday, 8:00am to 12:30pm.