Alh tdi p0234. Going in this As I was attempting to tro...

Alh tdi p0234. Going in this As I was attempting to troubleshoot constant limp mode on my Jetta I thought I might as well make a video of the whole ordeal. Replaced vacuum lines related to turbo, and suspecting VNT actuator. Turbo veins move freely, actuator is functioning properly, n75 is good, and there are no vacuum leaks. This means that the engine's forced induction system (either turbocharger or Posting this to see if anyone else has had this issue. Pulled out my air filter today to find some water in the . Car overboosts at high speeds 65+ in 4th and 5th gear causing it to go into limp mode. When I disconnected the MAF and went for a test drive, the car was all Recently picked up this 02 ALH with 360k miles for dirt cheap, previous owner said it needed a turbo. This Trouble code P0234 indicates the powertrain control module (PCM) senses a dangerously high boost pressure from the engine's forced induction system. Levels of boost in excess of So I just recently have been getting under boost and overboost condition codes on my tdi alh only when I’m in a lower gear. Overboost could well be sticking vanes in the turbo, most VW diesels (modern ones) have a variable vane turbo in them and this mechanism over time gets carboned up and Hi there, Quick intro: 2002 Jetta TDI (ALH), P0234 Overboost condition. I’ve got a stock 03 Jetta wagon with 159k miles that is producing far too much boost and vacuum out of the n75 solenoid. I’ve done quite a bit so far trying to As I was attempting to troubleshoot constant limp mode on my Jetta I thought I might as well make a video of the whole ordeal. When I disconnected the MAF and went for a test drive, the car was all Turbo veins move freely, actuator is functioning properly, n75 is good, and there are no vacuum leaks. Turns out the Turbo Actuator Solenoid N75 Valve was defective. Make sure your turbo actuator can actually move. Turns out The P0234 code for Volkswagen indicates a Turbo/Super Charger Overboost Condition.

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