2000 Citroen Picasso pinking

2000 CITROEN PICASSO
147,654 MILES • 4 CYL • 2WD • MANUAL
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M07715
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would a camshaft position sensor cause engine pinking. the ECU has been scanned and flashed up a camshaft sensor fault
I have had an emission test done and the results were within the limits
I am wondering if using Tesco fuel may also be the problem I have tried other garages fuel and it doesnt seem to pink as much but the pinking is still there.
Sometimes its that bad it sounds like a diesel and power from the engine is weak
Jul 2, 2010 at 2:02 PM
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RASMATAZ
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Check if it has a knock sensor if so check it, its purpose is to retard the ignition timing when it senses detonation/pinging to include an EGR valve that's its not opening
Jul 3, 2010 at 11:37 AM