Toyota Auris
Compact diesel with timing chain and common-rail injection. Economical and long-lived, but at the limit of its performance in larger vehicles. DPF issues possible in pure short-run use.
Diesel Auris without muscle
66 kW 1.4 D-4D — the weakest Auris drivetrain. Even overtaking requires careful planning.
Engine Weaknesses 6
The 1ND-TV injects extra diesel during DPF regeneration cycles, which finds its way into the engine oil via the piston rings. The oil level rises above the maximum. On short trips the DPF regenerates every 100 km with significantly increased fuel consumption.
Symptoms: Oil level rises above maximum, diesel smell in the engine oil, significantly increased fuel consumption on short trips, frequent DPF regeneration cycles
The fuel pressure regulator valve is the most commonly failed component on the 1ND-TV. Clogged screens from poor quality fuel block the valve. Result: hard starting and power loss above 3,000 rpm.
Symptoms: Hard starting, noticeable power loss above 3,000 rpm, engine warning light, sometimes limp mode
The dual mass flywheel on the 1ND-TV is considered prone to wear and can in the worst case cause a gearbox failure. Typically the DMF and clutch need to be renewed together.
Symptoms: Strong vibrations when pulling away and in the 1,200–2,600 rpm range, rattling and banging from the gearbox area
The EGR valve on the 1ND-TV is the most frequently blocked component on this diesel. Deposited soot particles restrict valve movement; cleaning is often sufficient, but heavy fouling requires replacement.
Symptoms: Power loss above 3,000 rpm, engine warning light, EGR fault code, black smoke on load changes
Early versions of the 1ND-TV were recalled due to turbo issues. The turbo actuator diaphragm can fail. Motorinspektion.de confirms turbo failures as a known weakness of the 1.4 D-4D.
Symptoms: Power loss, black smoke, limp mode, whistling or howling from the turbo area
Excess crankcase pressure on the 1ND-TV forces oil into the intake and exhaust, causing long-term turbo damage. A faulty crankcase ventilation system is cited as a known weakness at motorinspektion.de.
Symptoms: Oil consumption, blue oil deposits in the intake area, power loss, oil mist from the exhaust
Vehicle Weaknesses 10
On models from 2007–2010 the accelerator pedal module can jam due to condensation moisture and stick in the wide-open-throttle position. Toyota carried out a worldwide recall.
Rear brake discs see minimal load and consequently rust through particularly quickly. Early replacement is often necessary.
Headlights and tail lights are flagged above average at MOT. Reflectors become cloudy.
The centre exhaust section corrodes particularly at joints and mounting brackets.
Individual pencil coils fail and cause misfires on a single cylinder.
The rear brake discs corrode excessively when the rear brakes see little use.
A widespread problem on the E150: the electric power steering clicks when turning towards full lock. The cause is overly tight universal joints on the steering column. A recall was issued with steering column reinforcement and damper.
Leak points develop in the A/C condenser of the E150, leading to refrigerant loss. In one documented case only 60 g of refrigerant remained in the system — insufficient for adequate cooling and compressor lubrication.
The window regulator switches on the E150 can be damaged by wear and insufficient lubrication. In individual cases thermal damage from overheating of the switch unit has been documented.
Leaking rubber seals on the tailgate of the E150 allow water ingress into the boot on hatchback variants. Particularly affects older vehicles with worn seals.