Honda Civic FK7
Weaknesses, engine ratings and buying advice
The 10th-gen Civic (2016–2021) is one of the best-selling compacts in America — and one of the most class-action-afflicted. If you're shopping one, the single most important date is 2019 (mid-cycle refresh). Honda quietly built factory countermeasures for the L15B oil dilution issue into the refreshed cars: new thermostat, revised heater valve, updated ECM mapping. The pre-refresh 2016–2018 L15B turbo cars are where 90% of the drama lives. The post-2019 refresh cars are a different ownership experience.
The engine call: 2.0L Type R (LX, Sport, Sport hatchback) is the safe pick — naturally aspirated, no turbo, no direct-injection carbon buildup long-term. 1.5L L15B turbo (EX-T, EX-L, Touring) is the oil-dilution engine, subject to the September 2020 class-action settlement (Judge Brasel, D. Minn.). Settlement gave extended powertrain warranty, $250 claim cap for oil changes/diagnostics, and an automatic product update in 21 cold-weather states including MI, MN, OH, NY, WI. Symptoms: dipstick reads above the max mark, fuel smell in the oil, worst in cold climates with short commutes. The Si (FC3, 2017–2020) is the 1.5 L15B2 turbo with higher boost, a factory LSD (first time in Si history), and manual-only — still affected by dilution but usually milder because Si drivers actually rev the engine.
The CVT (continuously variable transmission — no fixed gears, paired with L15B and Type R) has documented low-speed judder on 2016–2017 builds — mostly a software-and-fluid issue that Honda addressed via TSBs. The Si's 6-speed manual is bulletproof overall, but the FC3-era clutch has premature-wear cases reported between 1,000–10,000 miles (treated as wear item by Honda, so warranty fights are common). Master cylinder valve failure causes 2nd/3rd grind on slow shifts — $400–$800 fix.
The other big story is the AC condenser. Pinhole leaks in the factory condenser tube walls leak R-1234yf refrigerant, AC blows warm. Honda extended the warranty to 10 years / unlimited miles (applied to 2016–2021 Civic after multiple expansions). Check whether the 10-year warranty claim has been filed — if the condenser was redone, you're good. If it's never been touched on a 2016–2018 car and blows lukewarm, negotiate $800–$1,200 off or walk. Recall coverage to know about: Denso low-pressure fuel pump (NHTSA 20V-314, expanded 21V-215 and 23V-858) — 2017-2020 Civics included, free fix, many cars still unfixed. 2016 Civic has the infamous electric parking brake recall (16V-725, Campaign KC6, 350,000 units) — VSA software failure can prevent EPB application, rollaway risk.
Test-drive checklist: pull the dipstick after a 30-minute warm drive — if oil reads above max on an L15B, that's active dilution. Run the AC at max cold for 10 minutes, vent temp should hit 45°F. Cold-start the CVT and listen for pressure-control-valve rattle. On Si manuals, feel for clutch engagement point (low = worn) and test 2-3 shifts slowly for grind. Inspect roof and trunk paint for clear-coat bubbling (particularly on Cosmic Blue and Modern Steel Metallic). Check soy-based wiring harness in wheel wells for rodent chew damage — not warranty-covered.
2026 market: 2017 EX-T sedan $13,500–$15,500. 2019+ Sport sedan 2.0 around $17,500–$20,000 (worth the premium over pre-refresh). Si (FC3) trades $22,000–$27,000 — holds ~80% value after 5 years, the enthusiast blue-chip of the lineup. Skip the 2016 model year entirely — highest complaint count, has every issue on the list. The sleeper pick: LX or Sport with 2.0 Type R + manual — no turbo, no CVT, no oil dilution, still Civic-cheap to insure and run. That's the 300,000-mile combination.
205 PS
Si · Benzin
Sports sedan with turbo kick
Fun to Drive!158 PS
2.0L i-VTEC Benzin
2 weaknesses
Good ChoiceGenerations
Engine Overview
The Honda Civic FK7 is available with 5 engine variants — from 120 to 208 hp. 1 variants had engine changes — the model year is crucial.
1.6L i-DTEC Earth Dreams diesel — Honda's answer to VW's 1.6 TDI. Economical (under 4 L/100 km possible), but not risk-free: Honda published a service bulletin in 2018 for camshaft and cylinder head damage on certain build years. Affected engines show metallic noises from the valvetrain. DPF is considered relatively trouble-free compared to larger diesels. Timing chain maintenance-free. Mileages over 150,000 km problem-free are documented — the service bulletin affects a batch, not the entire series. Oil change every 12,000 km.
- !! Camshaft / cylinder head issues (service bulletin) from 130,000 km
Honda issued an internal service bulletin in 2018 for cylinder head issues. Affected vehicles received a complete cylinder head replacement under goodwill. Shorter oil change intervals reduce the risk.
Symptoms: Ticking or rattling from the engine area, power loss, elevated oil consumption - !! Injector failure (design weakness) from 100,000 km
The Bosch injectors of the 1.6 i-DTEC fail in clusters from around 100,000 km — dealers report several sets a month, pointing to a design flaw. Honda specifies replacing all four injectors; faulty nozzles also clog the EGR and DPF.
Symptoms: Hesitation, power loss, black smoke, limp mode, check engine light - !! DPF clogging in urban use from 120,000 km
Despite improved DPF management over the N22A, the filter can clog in predominantly urban use where exhaust temperatures are not high enough for regeneration. Automatic models reportedly show fewer DPF issues.
Symptoms: DPF warning light, forced regeneration, power loss
+ 3 more engine weaknesses + vehicle weaknesses
1.0L VTEC Turbo three-cylinder — Honda's first ever three-cylinder. Known design weakness: crankshaft sprocket can work loose, Honda responded with a quiet production revision (from mid-2018). Affected examples show rattle and engine shudder. Turbo spools early (from 1,500 rpm), typical three-cylinder thrum at idle, surprisingly punchy under load for its size. VTEC provides variable valve timing, timing chain maintenance-free. Oil dilution similar to L15B possible but less common. Oil change every 10,000 km.
- !! Oil-bath timing belt: crankshaft sprocket defect from 60,000 km
Early P10A2 engines had a sharp-edged crankshaft sprocket that damaged the oil-bathed timing belt. Engine damage from bearing failure was documented, often around 60,000 km. Honda quietly revised the design.
Symptoms: Loud knocking or hammering from inside the engine, engine warning light - !! Cylinder 2: elevated thermal stress from 80,000 km
In the P10A2 three-cylinder, cylinder 2 is structurally exposed to higher thermal loads. Low compression readings on cylinder 2 have been documented in owner reports, particularly on older examples.
Symptoms: Rough running, power loss at low RPM, low compression on cylinder 2 - ! Three-cylinder inherent vibrations
By design, the three-cylinder P10A2 generates noticeable vibrations in the engine bay and through the steering wheel and gearshift, particularly at low RPM. This is not a defect, but a characteristic downside.
Symptoms: Perceptible vibrations through the steering wheel and gearshift at low RPM, droning engine noise at idle
1.5L VTEC Turbo — Honda's most important downsizing engine, fitted across nearly all models from 2016. Known issue: fuel dilutes engine oil during frequent short trips in cold weather. Honda responded with extended warranty, revised software, and new piston rings (from 2019). Turbo spools from 1,500 rpm, peak torque at 1,700–5,500 rpm — a wide powerband with no turbo lag. Shorten oil change interval to 7,500 km for short trips. Timing chain maintenance-free. Despite the oil dilution issue, long-lived when properly maintained.
- !! THE Honda 1.5T issue: unburnt fuel bypasses piston rings into the oil circuit on short trips and cold starts. Oil level RISES (up to 13% fuel content documented). Class action Smith v. Honda (2022). Warranty extended 6 years. No permanent mechanical fix — Honda recommends more frequent oil changes. from 30,000 km
THE Honda 1.5T problem: unburned fuel passes piston rings into oil on short trips/cold starts. Oil level RISES (up to 13% fuel content documented). Class action Smith v. Honda (2022). Warranty extension 6 years. No permanent mechanical fix — Honda recommends more frequent oil changes.
Symptoms: Oil level above maximum, gas smell on dipstick/in cabin, engine stumble, power loss - !! Head gasket failure (between cyl. 2 and 3) from 150,000 km
The turbo 1.5 was derived from the naturally aspirated engine without strengthening the head for the higher firing pressure. Between cylinders 2 and 3 there is only a narrow gasket land over a coolant passage — the stretch bolts lose clamping force and the gasket blows. Coolant enters the combustion chamber or oil.
Symptoms: Coolant loss with no visible leak, overheating, milky foam on the oil cap, sweet white exhaust vapour - !! Recall: Fuel pump (2018-2020) — NHTSA 23V-858
NHTSA 23V-858: a low-density impeller can deform and seize the pump → engine stall while driving. Part of the 2.5M-vehicle recall (Honda + Acura). Free replacement at dealer.
Symptoms: Check engine light, intermittent power loss, hard starting, sudden engine stall while driving
+ 2 more engine weaknesses + vehicle weaknesses
US variant of the 1.5L VTEC Turbo, technically identical to the European L15B but with its own calibration. Notorious for oil dilution on short trips in cold climates — fuel condenses in the crankcase and dilutes the engine oil. Honda TSBs 18-114 and 19-032 document the problem, a class action lawsuit followed. From model year 2019: revised piston rings and software update. Timing chain maintenance-free, turbo durable. With a long-distance profile and regular oil changes (7,500 km) a reliable engine. For pure short trips under 5 km: check oil level weekly.
- !! Oil dilution (fuel in oil) from 27,000 km
Gasoline seeps past piston rings during cold starts and short trips, mixing with oil. Fuel content measured up to 13.72% in NHTSA complaints. Honda TSB 18-114 and class action settlement. Worst in cold climates.
Symptoms: Gasoline smell on dipstick, oil level rising above max, engine misfires, cold-start stalling - !! Head gasket failure from 120,000 km
High cylinder pressure from turbo boost combined with heat cycling weakens head gasket. Oil dilution compounds by reducing cooling. Primarily 2016-2018 models.
Symptoms: Unexplained coolant loss, white exhaust smoke, overheating, milky oil cap, bubbles in reservoir - !! Carbon buildup on intake valves from 110,000 km
Direct injection means no fuel washes intake valves. PCV blow-by deposits accumulate from 60,000 miles. Walnut blasting every 50,000-70,000 miles recommended.
Symptoms: Rough idle, hesitation, misfires P0300-P0304, reduced fuel economy, power loss
+ 3 more engine weaknesses + vehicle weaknesses
2.0L naturally aspirated with port injection — no turbo, no direct injection, therefore no intake valve coking. One of the most reliable modern Honda engines. VTEC and VTC (Variable Timing Control) for efficiency and powerband. VTC actuator can cause cold-start rattle from 80,000 km — not dramatic, replacement ~€300. Timing chain maintenance-free. Honda-typical quiet at idle, a clean rev to redline without turbo whistle at full throttle. Oil change every 10,000 km with 0W-20. For anyone wanting an uncomplicated engine without turbo worries, this is it.
- ! VTC actuator cold-start rattle from 120,000 km
VTC actuator develops brief metallic rattle during cold starts until oil pressure builds. Worn locking pin spring inside actuator. Known K-series issue, less common on K20C2.
Symptoms: Brief metallic rattle on cold start (1-2 seconds), disappears when warm - ! Engine mount premature wear from 100,000 km
Rubber engine mounts deteriorate faster than expected, transmitting vibration to cabin at idle. Rear mount typically fails first. Worsens with AC compressor engaged.
Symptoms: Increased vibration at idle in gear, clunking noise Park to Drive, vibration worsens with AC
US variant of the 1.5L VTEC Turbo, technically identical to the European L15B but with its own calibration. Notorious for oil dilution on short trips in cold climates — fuel condenses in the crankcase and dilutes the engine oil. Honda TSBs 18-114 and 19-032 document the problem, a class action lawsuit followed. From model year 2019: revised piston rings and software update. Timing chain maintenance-free, turbo durable. With a long-distance profile and regular oil changes (7,500 km) a reliable engine. For pure short trips under 5 km: check oil level weekly.
- !! Oil dilution (fuel in oil) from 27,000 km
Gasoline seeps past piston rings during cold starts and short trips, mixing with oil. Fuel content measured up to 13.72% in NHTSA complaints. Honda TSB 18-114 and class action settlement. Worst in cold climates.
Symptoms: Gasoline smell on dipstick, oil level rising above max, engine misfires, cold-start stalling - !! Head gasket failure from 120,000 km
High cylinder pressure from turbo boost combined with heat cycling weakens head gasket. Oil dilution compounds by reducing cooling. Primarily 2016-2018 models.
Symptoms: Unexplained coolant loss, white exhaust smoke, overheating, milky oil cap, bubbles in reservoir - !! Carbon buildup on intake valves from 110,000 km
Direct injection means no fuel washes intake valves. PCV blow-by deposits accumulate from 60,000 miles. Walnut blasting every 50,000-70,000 miles recommended.
Symptoms: Rough idle, hesitation, misfires P0300-P0304, reduced fuel economy, power loss
+ 3 more engine weaknesses + vehicle weaknesses
Vehicle Weaknesses
| Weakness | Cost | |
|---|---|---|
| Air Conditioning Failure Several owners report failed air conditioning systems requiring complete replacement. Problem mainly occurs after 80,000–100,000 km. Symptoms: Air conditioning suddenly stops cooling; compressor fails to start; only warm air from the vents despite the climate control being on. from 90,000 km | Medium |
Test Reports
AUTO BILD Brand Check Honda
The tenth-generation Civic rarely attracts negative attention at MOT. Recurring findings include flat batteries and lighting faults. Early 1.0-litre three-cylinder engines occasionally show elevated wear.
2023-06Top Reported Issues
Alternatives
Explore more
Known Problems and Issues +
A total of 29 weaknesses have been documented for the Honda Civic FK7 (2017–2022) — 22 engine-related and 7 vehicle-related. Typical issues affect HVAC, Body, Rust, Electronics. Considered reliable: K20C2 (2.0L i-VTEC).
Civic (N16A, 2018–2019) — Be Careful: Camshaft / cylinder head issues (service bulletin), Injector failure (design weakness), DPF clogging in urban use. Power: 120 PS.
Civic (L15B7, 2016–2021) — Be Careful: Oil dilution (fuel in oil), Head gasket failure, Carbon buildup on intake valves. Power: 174 PS.
Civic (P10A2, 2017–2022) — Be Careful: Oil-bath timing belt: crankshaft sprocket defect, Cylinder 2: elevated thermal stress, Three-cylinder inherent vibrations. Power: 126–129 PS.
Civic (L15B, 2017–2022) — Be Careful: THE Honda 1.5T issue: unburnt fuel bypasses piston rings into the oil circuit on short trips and cold starts. Oil level RISES (up to 13% fuel content documented). Class action Smith v. Honda (2022). Warranty extended 6 years. No permanent mechanical fix — Honda recommends more frequent oil changes., Head gasket failure (between cyl. 2 and 3), Recall: Fuel pump (2018-2020) — NHTSA 23V-858. Power: 182 PS.
Civic (L15B7, 2017–2021) — Be Careful: Oil dilution (fuel in oil), Head gasket failure, Carbon buildup on intake valves. Power: 205 PS.
What to watch out for with the Honda Civic? See the detailed listing of all engine and vehicle weaknesses in the sections above.
Frequently Asked Questions
What problems and weaknesses does the Honda Civic FK7 have? +
What should I look for when buying a used Honda Civic FK7? +
Which engine is recommended? +
Which Honda Civic FK7 engine is the most reliable? +
Which Honda Civic FK7 engine is the most fun? +
Is the Honda Civic FK7 worth buying used? +
What horsepower variants are available for the Honda Civic FK7? +
Last updated: February 2026 · All information without guarantee