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hello everyone, ive recently had a few problems with my audi a3 1.6 bgu engine VCDS-Lite Version: Release 1.2 Tuesday, 30 January 2018, 18:34:56:0 Chassis Type: 8L - Audi A3/S3 Scan: 01,02,03,08,15,16,17,22,35,37,45,55,56,57,75,76 ------------------------------------------------------------------------------- Address 01: Engine Labels: 06A-906-033-APF.LBL Controller: 06A 906 033 DS Component: SIMOS71 1.6l 2V 5559 Coding: 0000071 Shop #: WSC 06435 VCID: 73995CCF52AD 3 Faults Found: 16726 - Camshaft Position Sensor (G40): Signal too Low P0342 - 009 - Open or Short to Ground 17524 - Oxygen (Lambda) Sensor Heating; B1 S1: Open Circuit P1116 - 009 - Open or Short to Ground 17911 - Load Signal from Alternator Term. DF: Implausible Signal P1503 - 008 - Implausible Signal Readiness: N/A End -------------------------------------------------------------------------------------------------- so far I have changed spark plugs, ht leads, coilpack and the camshaft position sensor and it has made no difference the car has a lumpy idle after about 10 miles of driving the car will misfire on cylinder 4 (sparkplug covered in oil) once changed runs for another 10 miles then misfire returns its also worth noting the car will not rev over 5k I am positive this is as an electrical issue my question is do I bite the bullet and buy a new wiring loom or search for the short to ground ?? any help much appreciated as I really don't want to get rid of this car