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Quote from: 2i30s on March 22, 2013, 09:45:00what dealership carried out the repairs/warranty BC? Chadstone Hyundai have done all the servicing & are generally pretty good.Also Elantraelite, my whistle was inaudible when idling and only became obvious when the turbostarted to work a bit with a some load & few revs.
what dealership carried out the repairs/warranty BC?
Has anybody yet been told the cause of the whistle (apart from "it's the turbo") and the reason for any replacement of the turbo? This is no doubt a high cost replacement item and a lot of cars (including mine) are coming out of warranty.
if you think your turbo is noisy, listen to this video. if it is louder than this, you have problems...
One thing that is known, is that the EGR (Exhaust Gas Recirculation Valve) is disconnected when the A/C is on. Sometimes, the EGR valve can become dirty and clogged with soot, so perhaps this is a cause of your whistle. Apparently, turbo whistle is a sign of bad turbo health, so I'd get that checked ASAP.
HiIt could be a defect Air mass sensor. If defect, the sensor will not allow enough air to the engine, and too little air also means too little ( or no at all ) turbo pressure.You will need a computer or a Scantool of some kind to be able too measure the airflow, and you also need to know what the flow should be.
Having checked the workshop manual, I would suggest that you take the car to a Hy dealer to have it checked.The MAFS (Mass Air Flow Sensor) is complex and dependent on inlet air temperature to determine it's output.The output of the sensor is a variable frequency ranging from 1.96 to 9.83 kHz @ 20 Deg c. (High Flow) or 2.0 to 8.12 kHz @ -15 Deg C (Low Flow)There is no way you can check this component without the correct equipment, sorry.
its in a shed, right next to a couch and another car, its probably amplifying the sound. yours will sound the same.