Vauxhall Tigra Camshaft Problems

Done a diagnostics check on my Tigra. It has been losing power and has a strong exhaust gas smell. The diagnostics came up (47)EGR VALVE as well as (18)Knock Sensor, (29)Fuel Pump Relat - Low Voltage, (71)Air Temp Sensor, (85)Immobiliser ...

Ok our Tigra has had hard life and when it came to us we pampered it a lot - so far serviced reg - cam belt , new heater matrix new clutch, (yeah to much invested I agree) However she loves her car! Now we have also had a new Lamda sensor ...