It was the top part I followed and could only get it to 40% but then when I go to retry it's at 20ish% until I start and it goes back up. The dtc will erase but appears straight away. I was told the lights won't reset until soot mass is under 10% that's why I wanted to do a forced regen by...
Alright folks. Got a 2007 a4 2.0tdi, engine code BRD r4. Got Dtc 008194 (particulate trap bank1) p2002 - 006 efficiency below threshold. Have followed Ross tech wiki to manually regenerate car. Soot was up at 130ish and managed to get it to 20%. Can't get it any lower. Could anyone tell me how...
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