Light keeps comming on then going off. After a couple of days fault started after warning light for additive oil low had this filled plus filler cap sensor, then fap light kept comming on changed particulate filter. Light would not go out after having car put on computer told heater plugs not working stopping regeneration changed plugs all well for few weeks then anti pollution not working warning keeps going on then going off causing power loss, had car back on computer told water temp sensor faulty changed this, cat sensor faulty reading new sensor fitted, vacuum fault found perish hose seal this but light still keeps comming on been told it could be the erg valve can any one help to stop me pulling hair out phone number would be good to talk it out.
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