Mazda 5
1.8-litre MZR four-cylinder from the L-series. Entry-level engine for mid-range and van applications, adequate for everyday use.
Family Van with a Decent Base Engine
The 1.8-litre in the Mazda 5 CR handles everyday duties without complaint, but has no sporting ambitions whatsoever. The chassis is surprisingly well-sorted for a van, and the sliding doors score points with families. No driving thrills here — a capable daily van with decent road manners.
Engine Weaknesses 5
The L8 MZR is an interference engine. If the timing belt snaps, pistons hit valves — expensive engine damage. Mazda service interval approx. 120,000 km, better every 80,000–100,000 km.
Symptoms: Engine will not start after belt failure, no compression, metallic noises on starting attempt
At high mileages (from around 150,000 km) the valve stem seals leak. Oil enters the combustion chambers, leading to elevated oil consumption and blue smoke.
Symptoms: Blue smoke on cold start or after extended standing, dropping oil level with no external leaks
Carbon deposits on the throttle body cause a sticking mechanism and jerky pull-away. After cleaning, the throttle body must be re-adapted in the ECU.
Symptoms: Sticking throttle, jerky pull-away, rough idle, occasional stalling
The lambda sensor of the L8 ages from around 100,000 km and responds increasingly slowly. Typical: fault code P0131 or P2251 (bank 1), increased fuel consumption and check engine light.
Symptoms: Check engine light on; slightly elevated fuel consumption; fault code lambda sensor bank 1.
The camshaft sensor of the L8 can become coated with a whitish-grey deposit or develop contact faults causing malfunctions. Typical symptoms are intermittent starting problems and stumbling at high revs.
Symptoms: Engine stumbles or hesitates at high revs; intermittent starting problems; check engine light with camshaft fault code.
Vehicle Weaknesses 8
The Mazda 5 CR is highly prone to rust: underside, door folds, tailgate and body panels show through-rust even at moderate mileage. A lift inspection is essential before purchase.
Central locking actuator motors in the sliding doors fail, especially after several years of operation. Door locks freeze in winter. Complete motor failure requires parts replacement.
The ball joint on the CR's control arm develops play with increasing mileage and is classified as a significant defect at MOT. Independent garages can replace just the ball joint; Mazda dealers only sell the complete control arm for around €400.
The AC compressor magnetic clutch on the CR fails and prevents the air conditioning from engaging. Often only the coil (magnetic ring) is defective and can be replaced for around €37 individually – instead of the full compressor for €800–1,000. Fault code B1261 (solar sensor) may appear.
Dampers and anti-roll bar rubbers wear early, especially on earlier model years. Rear dampers are particularly susceptible. Rattling from the suspension is an early warning sign.
The plastic tailgate develops cracks near the upper hinges, caused by stress from repeated opening and closing. A used replacement tailgate is cheaper than a repair.
The anti-roll bar bushings on the CR wear and develop up to 5 mm of play. This results in rattling over uneven surfaces, particularly annoying at low speed on cobblestones. The bushings are inexpensive and can be swapped on a lift in 30–45 minutes.
A faulty thermostat on the CR keeps the large coolant circuit permanently open, preventing the engine from reaching operating temperature and leaving the heater cold. The coolant temperature gauge remains well below the normal range. The thermostat is inexpensive; aftermarket parts cost under €40.
Reports & Tests
326 owner complaints filed with NHTSA (2005–2010). Most reported: Steering (89), Suspension (54), Tires (51).