Wv.b4.passat
New member
I’m new to tdis and my b4 will start and run but if you let off the fuel and let the transmission hold the rpms up at all when you press the clutch it smokes and sputters and pops and backfires. Sometimes it will straighten up and then sometimes it won’t ..... it’s physically in time and the injectors have fuel supply ..... I’ve repaired the glow plugs and it starts better now but what can cause the erratic missing