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Hi all slightly confused

Peugeot 207 1.4 petrol

2nd cylinder is is misfiring it's not the spark plugs nor is it the ignition coil as I've changed both of these what are the other possibilities and how would I go about checking these would it be a mechanical fault or electrical fault

thanks very much
 

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google the fault codes and make a decision on what ones are faults and what ones are symptoms OF the fault.

I dont think they are all proper codes though possibly from a handheld scanner

could also be a timing fault
 

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because peugeots software sees ANY fault that could cause pollution as an anti pollution fault basically if your engine is not running properly it will cause pollution so the message comes up.

Anti pollution fault is NOT an actual fault just a generic catch all message to tell you SOMETHING is wrong
 

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as above , swop the injector out from that cylinder with one of the others and see if the fault moves , take the plugs out too and check the colour from the offending cylinder with the others
 
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