Fiat Multipla
1.9L JTD with 77 kW in the Multipla 186 (2001–2006). Early JTD generation. Solid base engine, but older injection technology is more failure-prone. EGR and timing belt are the most important maintenance points.
Diesel Fits Better
The JTD suits the Multipla better thanks to its torque — precise like a kart through corners. The right choice for the concept, fun remains relative.
Engine Weaknesses 4
Vehicles from model year 2001–2006 have an elevated risk from neglected timing belt replacement. Age-related brittleness can cause failure before 120,000 km. Replacement every 5 years is mandatory.
Symptoms: Sudden engine stop, starter noise without cranking, mechanical damage to pistons and valves
The VTG turbocharger of the early JTD tends to seize its vanes with lubricant coking when oil change intervals are neglected. The result is no boost pressure build-up.
Symptoms: No boost, power loss, blue exhaust fumes after starting
The EGR valve of this early JTD generation is particularly susceptible to soot deposits. With the Multipla's typical urban driving pattern, wear is accelerated. A stuck EGR valve leads to juddering and power loss under partial load.
Symptoms: Juddering and power loss under partial load, increased consumption, occasional engine warning light
At high mileages, material fatigue causes leaks at the injectors, reducing rail pressure. A faulty injector prevents a clean engine start.
Symptoms: Starting difficulties after standing, rough engine running, rail pressure not reached
Vehicle Weaknesses 10
The 1.6-16V petrol engine is prone to early timing belt failures, often triggered by worn tensioner pulleys. Recommended maintenance interval is a maximum of 60,000 km or 4 years.
The CNG/petrol bipower variant suffers from valve coking in gas mode, since CNG does not fulfil the cleaning function of petrol on the intake valves.
On older Multipla examples, brake lines rust and brake hoses become brittle. This presents a serious safety risk.
The Multipla's gearbox tends to develop noise in overrun, signalling impending gearbox damage. Singing in neutral indicates worn bearings.
On vehicles over 10 years old, underbody and exhaust rust is a widespread problem. Brake hoses and brake lines can also be affected by rust.
All CNG pressure vessels have a legal service life of 10 years and must be renewed thereafter. Sourcing and replacement are costly.
Defective alternators are a known problem across all engine variants of the Multipla. The alternator weakness affects petrol, diesel and bipower variants equally.
Due to the high body and considerable weight of the 6-seater, front axle components (control arms, bushes, tie rod ends) wear above average quickly.
The Multipla's control unit tends to over-sensitive fault diagnosis and reports problems that are not real. False warning lights unsettle owners.
Loose door seals cause wind and water noise. The passenger seat vibrates at certain engine speeds. Small plastic parts detach with increasing age.