KNOWN FAULTS · Lancia
Known faults for the Lancia Thesis.
2002–2009 · Petrol / Diesel
Sources are not verified in real time and no entry confirms that your car is affected.
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2 known faults with sources
Engines: 2.0 / 2.4 / 3.2 (Petrol)
Applies if: Only Thesis with ESP built February–May 2003, VIN ZLA84100000005211–ZLA84100000009358; confirm recall 4570 is pending. In the grouped row only the 2.0/2.4 sub-versions built at that time; do not attribute to the later 3.2.
Non-compliant Thesis steering-angle sensorSuspension and steering
- Engine / equipment
- Only configurations, equipment and VINs included in the documented assignments.
- Period mentioned
- Campaign-specific production period; confirm by VIN.
- Symptoms
- The source describes the risk stated under cause; it does not document DTCs or additional advance symptoms.
- Possible cause described
- The steering-angle sensor may fail specification in ESP-equipped Thesis cars from the stated batch.
- Check for the garage
- Confirm VIN; check and replace the sensor as specified by campaign 4570.
- Cost cited in the source
- No verifiable estimate. Confirm campaign eligibility and free repair with the manufacturer by VIN.A rough figure from the original database, not an up-to-date quote.
Sources from the original database
View full entryEngines: 2.4 JTD (Diesel)
1.9/2.4 JTD intake flaps, EGR and flywheelIntake / EGR / flywheel
- Engine / equipment
- 1.9 JTD / Multijet (8 and 16 valves), 2.4 JTD and JTDm in Fiat, Alfa Romeo 147, 156, 159, GT and Brera, Lancia and the Opel 1.9 CDTI
- Period mentioned
- 1997–2012
- Symptoms
- Power loss, rough idle and an engine light with “swirl actuator malfunction”; soot around the intake manifold; vibration and knocks in low gears (dual-mass flywheel).
- Possible cause described
- On the 16-valve 1.9 and 20-valve 2.4, the intake flaps seize with EGR soot and oil, and the control rod comes off as its plastic bushes wear. The EGR fouls in town use and the dual-mass flywheel wears between 80,000 and 150,000 km. The 8-valve 1.9 has no flaps.
- Check for the garage
- Check the rod and flap operation on top of the manifold, read actuator codes, inspect the EGR and listen to the flywheel when starting and stopping.
- Cost cited in the source
- Intake manifold: €400–900 in parts; EGR cleaning: €150–250A rough figure from the original database, not an up-to-date quote.
Mileage cited in the database: 80,000–150,000 km. This is not a maintenance interval and does not predict a failure.
Sources from the original database
Carchecker: Fiat Bravo 1.9 MultijetCarchecker: Fiat Croma 1.9 MultijetMS Motor Service (Pierburg): manifold and actuator failure on 1.9 JTD enginesFiatForum: 1.9 16v Multijet intake manifoldAlfa Club Victoria: 159 2.4 JTDm swirl flaps
View full entryEngines for this model
- 2.0 / 2.4 / 3.2Petrol
- 2.4 JTDDiesel