Possible causes – Engine mechnical condition– Fuel system malfunction– Ignition system malfunction– Faulty oxygen sensor Symptoms – Engine Light ON (or Service Engine Soon Warning Light) AUDI Related P1093 code 2005 AUDI A4 Fuel System, Gasoline:delivery:fuel Pump 2005 AUDI A4 Fuel System, Gasoline:fuel Injection System:fuel Rail 2005 AUDI A4 Fuel System, Other:delivery:fuel Pump 2006 AUDI…