Renault Mégane (III) 1.5 dCi (K9K): known faults of the engine according to L'argus

Engine / equipment

1.5 dCi (K9K) in the Renault Mégane (III)

Period mentioned

2008–2016

Symptoms

[2.0 16V/1.5 dCi] Vibration at idle (from 01/05/2009 to 08/02/2010); Hard starting on the dCi 105, with a risk of engine failure (from September 2009 to June 2010); Timing failure; Knocking when cold (up to the end of 2010); Engine stalls (up to 24/08/2011); Injection light on (up to 12/06/2012, K9K636 engine); Hard cold starting (up to 28/05/2013); Oil leak (up to 17/07/2013); Oil leak, pressure light on, noise or even engine failure (until the end of production); [1.5 dCi/1.6 dCi] Loss of power (up to 22/07/2015); [1.5 dCi/1.6 dCi/2.0 dCi] Will not start (up to 11/06/2015)

Possible cause described

According to the brand's technical notes reported by L'argus (each date shows up to when the affected cars were built): 1) [2.0 16V/1.5 dCi] Vibration at idle (from 01/05/2009 to 08/02/2010): Flywheel. 2) Hard starting on the dCi 105, with a risk of engine failure (from September 2009 to June 2010): Reposition the injection pump and replace the high-pressure pipe. 3) Timing failure: Belt to be replaced on the 1.5 dCi 110 (from 01/09/2009 to 31/10/2010) and on the 1.5 dCi 85 (from 01/09/2009 to 28/02/2011), or even engine replacement. 4) Knocking when cold (up to the end of 2010): Injector high-pressure pipes. 5) Engine stalls (up to 24/08/2011): Injectors. 6) Injection light on (up to 12/06/2012, K9K636 engine): Particulate filter. 7) Hard cold starting (up to 28/05/2013): Flow actuator. 8) Oil leak (up to 17/07/2013): Turbo intercooler. 9) Oil leak, pressure light on, noise or even engine failure (until the end of production): Oil filter and pump, or even the engine. 10) [1.5 dCi/1.6 dCi] Loss of power (up to 22/07/2015): Exhaust flap. 11) [1.5 dCi/1.6 dCi/2.0 dCi] Will not start (up to 11/06/2015): Fuel pump and reprogramming.

Check for the garage

Compare your symptom and your car's build date with this list. If they match, tell the workshop and ask them to check that part first before replacing others. The brand or a warranty extension covers some repairs: ask the dealer with the car's details.

Cost cited in the source

No verified estimate; ask the garage for a quote.A rough figure from the original database, not an up-to-date quote.

Sources from the original database