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NISSAN X TRAIL?

WHEN STARTED FROM COLD ENGINE RATTLING EVERY TIME YOU ACCELARATE. NOISE VIRTUALLY DISSAPPEARS AFTER 20 MINUTES OF DRIVING.
RABL25, February 2009
the noise could be a thing called diesel knock caused by extra fuel being injected when cold,although some early 2.2 dci models suffered from a fault on the fuel pump pulley which has a pin which works loose after around 35,000 miles

me123, March 2009
link Click here to see other fixes for Nissan.