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Why has my 2011 Nissan Navara lost most of its engine power?

Asked by Ian

My auto 2011 Nissan Navara lost most of its engine power and the check engine light came on. I stopped and turned the motor off and back on, and doing that got it going again, but it still has not got full power. Any ideas on this?

Answered by CarsGuide

28 Oct 2020 David Morley

This model Navara was known for a couple of faults that could cause it to enter limp-home mode (which sounds like what’s happened given the engine is no longer making full power). The first was a batch of dud exhaust-gas temperature sensors which had a habit of dying young. If that happened, the engine would go into limp-home mode to avoid overheating (and damaging) the turbocharger, even though there was no actual problem beyond the sensor itself.

The other problem with the 2.5-litre turbo-diesel was that the primary timing chain was a single-row item that was, frankly, underdone and could stretch before the vehicle had covered even 80,000km. If that happened, the camshaft-position sensor would become confused and could trigger a limp-home condition. There’s a replacement timing chain that is actually double-row (stronger) that many owners fit as a solution.

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