They don't now, but there was a short-lived run of engines that had both, including, I think, the Fabia where this thread started.
The supercharged/turbocharged engines were all based on the old chain cam TSi engines. I think that the last VAG model to use the dual charge set up was the 1.4 TSi 160 PS Tiguan that has recently been replaced by the new model range.
The major number of issues with these dual charge units has been caused by the laptop and shed brigade who find that with a little knowledge they can achieve stupid power levels with nothing nore than few lines of code. Unfortunately the engines were probably close to their reliability limit as standard and the addition of another 100 bhp with no strenghtening, lubrication or cooling mods was too much to stand. The 7 speed DSG has a torque limit of 250 NM (plus a safety factor) and after mods the engines produce way over this figure. (VAG limit all cars using the 7 speed DSG to 250 NM which is why the 1.8 TSi in the Leon has exactly the same max torque as the 1.4 TSi). On the various VAG forums the owners were more than happy to boast about the stupid power increases and show video clips of their sub 5 second 0 - 60 times and when challanged about the likelihood of future issues caused by such harsh treatment would simply comment it was not thier issue since the car would be handed back after 3 years for the next owner to sort. And its that next owner that comes on here blaming VAG and not the muppet who ragged the car into an early grave.
In truth I think the dual charge unit fared better in the Tiguan than other models simply because it did not attract idiots.
SWMBO's Audi A1 is TFSI....perhaps we won't speculate on what the F stands for, unless someone knows.
Audi do not want buyers to think that they are getting the same engine in their upmarket hatch as the buyer of a Skoda Fabia so they simply added the "F" in the badge. I was told it stood for "fuel".
Our new neighbours son has an A1, a 1.2 TFSi. He remarked on our Seat a few weeks ago being a TSi and I said simply, "yes , the same engine as your Audi only the bigger more powerful 1.4". He went crazy saying that Audi make their own engines which are absolutely nothing to do with other VAG companies. Apparantly they are much higher quality being made of superior materials nad assembled by a hand picked group of superhumans. He refuses to even look in my direction now, total muppet.
Can you imagine the headlines in the Daily Mail, "Shock, Horror, buyers discover their Audi 's use the same engines as Skoda's.
In fact all the 1.4 TSi engines are made at the Skoda plant (probably the 1.2's as well since they share many components) and distributed to the various assemply plants around Europe.
New Daily Mail headline "Shock, Horror, Audi use engines made by Skoda"
Edited by skidpan on 15/02/2017 at 14:35
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