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limp mode

  1. New TDI forum member introductions
    I am new to vw, and this is my first diesel that i own personally. Purchased a 2006 jetta 1.9 brm with a 6speed dsg for $500. Everything is great for 8 to 10 miles then you had better pull off, PRND flashes and the car wont go anymore. Let it cool down and it will go another round. Previous...
  2. VW Mk4 Jetta, Golf, New Beetle, Passat TDI forum
    Afternoon fellas, Title says it all, low power on inclines, pedal to the metal and can still barely accelerate. I just bought the car, supposedly it already had a boost leak. Test drive was fine, turbo was a little laggy uphill but it did alright. Timing belt broke the day after I bought it...
  3. VW Mk4 Jetta, Golf, New Beetle, Passat TDI forum
    Hi all... hope everyone is doing well :) I was just wondering if someone could point me in the right direction. Lately I have been getting limp mode due to over boost. Charge pressure control: Positive deviation. Intermittent. This seems to have only started happening after downpipe...
  4. VW Mk4 Jetta, Golf, New Beetle, Passat TDI forum
    I have a Passat with the AWX 130 PD engine. Has been going into limp mode for a while now and had been showing fault code for underboost. It got a new tandem pump, new N75 valve, reconditioned turbo (at which point the EGR was deleted). None of this made any difference and was still showing...
  5. VW Mk4 Jetta, Golf, New Beetle, Passat TDI forum
    New owner of 2003 VW Golf 1.9 tdi 320,000 mi. Old owner had it for 240,000. He says he could never fix issues causing limp mode, had it since he bought it. Code reset or key on/off fixes it - P0234 error. Intake and turbo cleaned or replaced 1 year ago. Actuator looks new and vacuum starts...
  6. General Diesel Discussion
    Hey guys, does anyone know what the correct size (diameter, etc) the vacuum hoses for the AWX 130PD TDI Passat engine are? I'm looking at replacing mine as they're worn. Any recommendations on brand/type etc? Trying to nail down this limp mode problem still. Any other "usual suspect" spots...
  7. VW Mk4 Jetta, Golf, New Beetle, Passat TDI forum
    Hi all, Fault code came up "17964/P1556 Turbo/super charger boost sensor (A) circuit: control limit not reached" on my mates generic (non-VW) code scanner; my garages scanner didn't come up with any codes when I had it in. I think I've narrowed it down to being a leak, probably from the vacuum...
  8. New TDI forum member introductions
    I recently purchased a used 2004 jetta tdi, with the bew motor, 5 speed tiptronic, the car was sold as is non runner with a bad battery and bad alternator. Went to pepboys bought what they had in stock i bought the 120 amp, and a new battery. Installed cleaned all terminals. Car starts and...
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