Honda Civic FN

Honda's first diesel (2.2L i-CTDi), solid base with 140 hp, but typical diesel weak points. DPF clogging on short trips, exhaust manifold cracks and IMRC valve carbon build-up are known weak points.

• !! DPF clogging on short trips from 100,000 km

  The diesel particulate filter needs sufficiently high exhaust temperatures to self-regenerate — temperatures not reached in pure urban use. From around 100,000 km, clogging with limp mode and warning lights becomes more common.

  Symptoms: Warning light, engine limp mode, power loss, frequent dealer regeneration cycles
  800–1,500 $
  Ad DPF Honda CR-V 2.2 CTDiparticulate filter N22A2
• !! Exhaust manifold cracks from 160,000 km

  Cracks form in the exhaust manifold under hard use, typically between 150,000 and 200,000 km. Honda acknowledged this manufacturing defect and extended the warranty to 7 years.

  Symptoms: Ticking or hissing from the engine bay on cold start, exhaust smell
  400–900 $
  Ad exhaust manifold Honda 2.2 CTDiexhaust manifold N22A
• ! IMRC valve soot clogging (P2004) from 90,000 km

  Soot deposits block the intake manifold runner control (IMRC) valve. Vehicles built before 2008 received a free replacement. Symptoms include power loss and hesitation on acceleration. Fault code P2004 is typical.

  Symptoms: Hesitation on acceleration, power loss, fault code P2004
  150–400 $
  Ad IMRC valve Honda 2.2 CTDiintake runner control valve N22AP2004 Honda

+ 1 more engine weaknesses + vehicle weaknesses

1.3L i-DSI with 2 spark plugs per cylinder (8 in total), which raises servicing costs. EGR valve carbon build-up is the most common problem. CVT gearbox with wrong factory oil is a frequent cause of shudder on shifts.

• !! EGR valve carbon build-up from 80,000 km

  The EGR valve can stick open due to carbon deposits, causing excessive exhaust gas recirculation, hesitation, and stalling at idle. Regular cleaning is recommended.

  Symptoms: Hesitation or stalling at idle, increased fuel consumption, rough idle
  150–400 $
  Ad EGR valve Honda Jazz 1.3EGR valve L13A
• !! CVT gearbox judder (incorrect factory fluid) from 50,000 km

  Honda filled the CVT from the factory with ATF-Z1, which has since been superseded by ATF-DW1. The wrong fluid causes judder on pull-away. Regular fluid changes with DW-1 fix the problem.

  Symptoms: Judder or vibration when pulling away from a standstill, jerky CVT power delivery
  100–300 $
  Ad CVT oil Honda Jazz ATF DW-1Honda Jazz gearbox oil change
• i Higher spark plug maintenance cost (8 plugs) from 30,000 km

  The i-DSI system uses 2 spark plugs per cylinder (8 total). Maintenance costs at spark plug replacement intervals are twice as high as on a standard 4-cylinder engine.

  Symptoms: Rough running, misfires, noticeable judder during the warm-up phase
  80–200 $
  Ad spark plugs Honda Jazz 1.3 i-DSIspark plug L13A

The 1.3L i-VTEC in the Jazz GE and Civic FN is one of Honda's most robust small-engine designs. Few engine-specific weaknesses; typical problems are vehicle-related.

• !! A/C compressor failure from 100,000 km

  As across the entire Jazz GE range, the A/C compressor is a known weak point on the L13Z engine. The magnetic clutch and shaft seal fail most frequently.

  Symptoms: A/C no longer cools, loud clicking or rattling when A/C is switched on
  500–1,500 $
  Ad Honda Jazz AC compressor L13Z38800-RB7
• !! i-Shift clutch premature wear in city use from 120,000 km

  The L13Z's i-Shift automated gearbox shows elevated clutch wear in frequent urban stop-start use. The manual version is preferable for predominantly short-trip driving.

  Symptoms: Judder on pull-away in urban traffic, delayed gear engagement in i-Shift mode
  600–1,500 $
  Ad Honda i-Shift clutchJazz i-Shift clutch replacement
• ! Rear brakes seizing from 80,000 km

  On all Jazz GE models the rear brake drums or discs seize when the car is used infrequently. Regular inspection and cleaning at service intervals is recommended.

  Symptoms: Squealing or grinding at the rear wheels after extended standstill
  150–400 $
  Ad Honda Jazz rear brake padsJazz rear brake drum

The 1.3L IMA hybrid system has two critical age-related weaknesses: the NiMH high-voltage battery degrades significantly from around 130,000–150,000 km. DC-DC converter failures as a consequence are typical.

• !! IMA high-voltage battery degradation — total failure possible from 130,000 km

  The NiMH high-voltage battery of the IMA system degrades over time due to cell imbalance. From around 130,000–150,000 km, capacity drops significantly. A new Honda battery costs €3,300–€5,500.

  Symptoms: IMA warning light on, reduced hybrid output, engine runs on petrol alone more frequently
  1,500–5,500 $
  Ad Honda IMA battery replacementHonda Civic Hybrid NiMH battery1D100-RMX
• !! DC-DC converter failure — 12V battery no longer charges from 130,000 km

  When the IMA high-voltage battery fails, the DC-DC converter can no longer charge the 12V battery. The vehicle becomes unable to start. Converter replacement costs around €2,150.

  Symptoms: 12V battery drains while driving, vehicle won't start, IMA warning light on
  1,500–2,500 $
  Ad Honda IMA DC-DC converterHonda Civic Hybrid DC converter1A300-RMX
• !! IMA fault code prevents MOT/vehicle inspection pass from 130,000 km

  Active IMA fault codes cause an MOT failure as the OBD readiness monitors cannot be fully set.

  Symptoms: IMA warning light permanently active, OBD readiness not set, MOT/vehicle inspection fails
  0–500 $
  Ad Honda IMA OBD fault code clearHonda Civic Hybrid MOT IMA

Very reliable 1.8L i-VTEC petrol engine, designed for at least 300,000 km. No hydraulic valve lifters, so regular valve clearance checks every 100,000 km are required.

• ! Valve clearance check required from 100,000 km

  Without hydraulic lifters, valve clearance must be checked and adjusted every 100,000 km. Inlet: 0.20 ± 0.02 mm, exhaust: 0.25 ± 0.02 mm. Neglecting this causes ticking and increased wear.

  Symptoms: Valvetrain ticking, power loss at high RPM
  150–300 $
  Ad Honda valve clearance R18Avalve adjustment 1.8 i-VTEC
• ! Elevated oil consumption with age from 160,000 km

  At higher mileages from around 150,000 km, piston rings and valve guides can wear and cause oil consumption. Normal consumption is under 250 ml/1,000 km. Blue exhaust smoke is a warning sign.

  Symptoms: Blue smoke from exhaust, dropping oil level, oil smell in the cabin
  500–2,000 $
  Ad Honda R18A piston ringsvalve stem seal 1.8 i-VTEC
• i A/C Omron relay failure from 80,000 km

  The Omron A/C relay fails prematurely on a regular basis. Replacing it with a Mitsuba relay offers better longevity. Repair is inexpensive and straightforward to do yourself.

  Symptoms: A/C won't engage, no compressor operation despite request
  20–80 $
  Ad Honda Klimarelay Civic 8Omron relay AC compressor Honda