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  1. Alfa 147, 156 & GT
    Hey guys. Wondering if this is a normal thing on these. When releasing the throttle while on boost I get what sounds a dump of pressure, like a blow off valve. I have refitted my stock air box as the cone filter was just too loud for my taste, but the air box is busted to hell and only has one...
  2. Alfa Giulietta
    Last couple.of days I have started to hear the wastegate on the turbo. Not noticed it before, but it seems it is getting louder (or maybe I have just tuned into it). Car has only done 30k, so I wouldn't expect turbo to be on it's way out. Could it just be a leak somewhere? Anybody else had...
  3. Tuning & Upgrades
    Hi, Changed my oil and air filter on my mito qv today, wasn't tuning or upgrading really just doing a bit of car care, anyway.. I replaced it with a pipercross panel filter. Driving afterwards I now get this fluttering sound when I'm coming off the accelerator. It's not necessarily a bad sound...
  4. Alfa 159, Brera & Spider
    I keep getting the engine management light appear on my Brera and engine goes into limp mode, have taken it in to local Alfa dealer and diagnostic says there is a problem with the flutter valve, spent the money and had it replaced, drove it 2 miles and it happened again. Now they say there is a...
  5. Alfa 159, Brera & Spider
    Hi all, Could anybody tell me why my 159 1.9TDM engine sometimes softly flutters (very low level engine pulsations) with some loss of power at about 2200rpm in 4th gear while on the motorway. Changing up to 3rd gear and accelerating solves the problem immediately. After a while, symptom goes...
  6. Alfa 147, 156 & GT
    Turbo Flutter, but why? If I change gear at high rpm, or slow down after going with high rpm I get the chopping sound from the turbo. No engine warning lights on and car pulls well. New original Bosch MAF, new VTN solenoid (modern version with round air vent) is fitted. Some say, the later...
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