My 1.4 BBY A2 has developed an ill temper recently - it randomly stalls, won't start right away afterwards and there's a loud buzzing / humming noise coming from front left somewhere when ignition is turned on. Haven't really figured out a pattern when this happens, but I haven't observed it for a completely cold start, it usually happens after a short stop, like a quick grocery run.
I did manage to catch the noise on video, but couldn't pinpoint the source: https://drive.google.com/file/d/1jyWBFOdwhtG062XIE7A5C1U2DrX2F5D-/view
VCDS comes up with all these engine errors after that:
My initial suspect was a bad crankshaft pulse sensor and I had no means to have the car scanned back then, so I did change it a couple of months ago with this one: https://www.autodoc.co.uk/magneti-marelli/14925683 The problem actually went away for a while, or at least I though so, but it might have been just a coincidence and now it's back and more frequent than before. I'm puzzled about all the errors coming up altogether, any tips on what to go for next are greatly appreciated.
I did manage to catch the noise on video, but couldn't pinpoint the source: https://drive.google.com/file/d/1jyWBFOdwhtG062XIE7A5C1U2DrX2F5D-/view
VCDS comes up with all these engine errors after that:
Code:
7 Faults Found:
16786 - EGR System
P0402 - 35-00 - Excessive Flow
16706 - Engine Speed Sensor (G28)
P0322 - 35-10 - No Signal - Intermittent
17953 - Throttle Valve Controller
P1545 - 35-10 - Malfunction - Intermittent
16955 - Brake Switch (F)
P0571 - 35-10 - Implausible Signal - Intermittent
18057 - Powertrain Data Bus
P1649 - 35-10 - Missing Message from ABS Controller - Intermittent
18058 - Powertrain Data Bus
P1650 - 35-10 - Missing Message from Instrument Cluster - Intermittent
18043 - Powertrain Data Bus
P1635 - 35-10 - Missing Message from A/C Controller - Intermittent
Readiness: 0010 0101
My initial suspect was a bad crankshaft pulse sensor and I had no means to have the car scanned back then, so I did change it a couple of months ago with this one: https://www.autodoc.co.uk/magneti-marelli/14925683 The problem actually went away for a while, or at least I though so, but it might have been just a coincidence and now it's back and more frequent than before. I'm puzzled about all the errors coming up altogether, any tips on what to go for next are greatly appreciated.