Touareg: 2013 V6 TDI
Join Date: Nov 2014
Location: Winnipeg, Canada
Second Vehicle: VW 2
Thanked 54 Times in 52 Posts
V6 TDI "chittering" sound when cold
My car started making a "chittering" sound when accelerating with a cold engine about 3 months ago. Once all warmed up, the sound goes away. It only makes the sound at partial throttle. I don't hear it at idle nor WOT. So I haven't been able to pinpoint where it's coming from. The sound varies with RPMs, and may be coming from the rear of the engine.
Oil is good, no leaks. VCDS only found a defective NOx sensor, which has been like that for nearly a year.
Any ideas? I'll have to see if I can take a video of the sound on the weekend.
"Callie" - 2013 Touareg TDI Execline, Cool Silver on Titan black
"Sophie" - 2010 Touareg TDI Highline, Campanella white on Anthracite - sold back to VW
"Celeste" - 2009 Eos 2.0T DSG Lux, Candy white on Anthracite
"Simone" - 2002 Golf GLS TDI, 5 speed, HID projectors
"Rocinante" - 1990 JDM HDJ81 Toyota Landcruiser turbodiesel, 5 speed, RHD