could somebody point me in the right direction regarding those codes please its on 2.0tdi 140hp 8v skoda superb, maybe somebody know any parts required to fix this

Thanks stan

 

http://www.obd-codes.com/p0546

The causes for this DTC may include: Check for loose or corroded connectors or terminals, which is often the case Broken wires or missing insulation may be causing a short directly to ground The sensor may have failed A catback exhaust system without EGT provisions installed It's possible, although not probable, that the computer has failed

Read more at: http://www.obd-codes.com/p0546
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