Troubles?

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Benzowner

MB Enthusiast
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Joined
Jun 21, 2004
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3,297
Location
Bristol
Car
Qashqai Acenta Premium 1.6Diesel
A few months ago had error code P0266(No.2 cylinder) which I put down to bad fuel, as after a bottle of jet cleaner and a code reset, had no further problems. Today had error code P0263(No. 1 cylinder), again a bottle of jet cleaner and code reset and it too has gone. The fuel use has changed from a supermarket own brand to shell and BP ultra.

Are these codes a sign of something possible worse?
 
Could be an injector on the way out, slim chance that it's bad electrical connection, may be worth pulling the plugs and checking for corrosion on the pins.
 

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