2001年7月21日 · Check engine light came on, VCDS diagnostics as follows. 1 Fault Found: 001025 - EGR System P0401 - 001 - Insufficient Flow - Intermittent - MIL ON Freeze Frame: …

2011年1月9日 · So my 2010 Jetta Sedan is throwing a p0401 code every so often. It comes on for a few hundred miles, then at a restart may go off for a few hundred, then come on again …

2014年2月1日 · P0401 - EGR System insufficient flow-Tested vacuum to the N18 valve. ~22in/hg-Had someone operate the throttle while I observed the EGR valve - actuator did not move, no …

2017年10月1日 · Couldn't help but come across this tread as I was doing a quick search on the P2002 and P0401 codes. My wife's CEL lit after a 150 mile drive. If its the DPF, this will be our …

Joined Jan 24, 2012 Location Shohola, PA TDI 2012 Golf TDI [buyback completed 14/1/2017] 2006 S65 AMG

2015年5月30日 · I just got bit on this one. 2012 TDI, manual. We love the car. Got the P0401 code, went to dealer....said new DPF, $2200 please. We hit the floor. After some discussion, …

P046F, P0477, P048A, P048B, P048C, P0401. Some TDI-CR engines have a filter for the Exhaust Gas Recirculation (EGR) that can become restricted and cause a "Insufficient Flow" …

2001年12月11日 · On the ALH TDI P0401 mean EGR Insufficient flow. This does not mean that there is insufficient flow thru the EGR valve! It actually means that the "EGR system has …

2023年5月31日 · 2010 VW Jetta CJAA TDI throwing both codes. Removed EGR and cleaned. Opened cover to verify valve opens smoothly by turning the gears. Ran output test on VCDS …

2010年4月26日 · I have a 2010 jetta tdi sportwagen with 50435 miles. My CEL has been coming on and off for 3/4 weeks. Mechanic found code p0401 egr insufficient flow...