When accelerating, the air conditioner output seems to correlate with the gas pedal, i.e. blowing more air while accelerating. However, on the highway, it will reach a point where this all of a sudden stops and acceleration power is seemingly ineffective. It feels like the turbo has lost power, perhaps there is some connection between turbo boost assisting the blower for the air conditioner and the wastegate is initiating and thus blowing the boost, which would explain the loss of power. I'm just not sure what it could be. Any ideas?
The turbo has no effect on blower motor performance. you may have a bad turbo but you may also have a bad blower motor or a low freon level on the a/c system.
SOURCE: no acceleration,audi 1.8t,runs like no boost
have you tried cleaning out the throttle body as i had a similar problem and this worked
SOURCE: 1998 1.9 tdi loss of power
code read the ecu sound like turbo problem they are a variable vain type turbo and the vains stick try putting a good fuel system cleaner through it it may take several goes but its cheaper than a turbo,if you code read it it will most probably come up with-boost control pressur difference------millers or forte fuel treatment are the best i have tried ....let me know how you get [email protected]
SOURCE: 2000 VW Jetta V5 accelerator/idling problem
these cars are fitted with a fly by wire accelerator pedal that is controlled electronically by the cars computer it is possible that there is a computer problem or the throttle body ( air intake system )or accelerator pedal is playing up.
it is highly possible that the car is doing exactly what you say it is i recommend you take it back to VW and demand that they take a proper look at it you might have to leve it with them for a couple of days and get a service advisor to drive it home so as they can see the problem ocure.
regardles the cars computer should of thrown a code declaring a fault in the system witch should give the tecs some were to start looking.
good luck with this problem if you have any outher questions let me no
SOURCE: 05 Golf TDI sudden loss of power. Turbo issue?
ecu problem! go and find someone with VAG-COM and get it checked for fault codes. glad i could help!
SOURCE: no acceleration,audi 1.8t,runs like no boost
It's possible that the diverter valve (DV) has failed. The OEM valve has a plastic diaphragm inside and it can crack. If this happens, the car will leak boost air and will lose power as a result. Go to www.audiworld.com, click on Resources, then Tech, and then go to the engine article about replacing/upgrading the diverter valve - it'll show you where it is and how to do it.
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