shaun
Established member
Hi,i am thinking of buying a 2010 1.4 Multiair with 91000 miles but i am a bit worried about the problems with the engines.Am i just over concerned
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Solid engine. Multiair is licensed to JLR.
Are the engines different in anyway other than turbo exhaust map ? From fiat alfa to the punto evo ?Problem with multiair units should have been resolved by now. The majority of faulty units will have failed by now but as has been stated the important thing is to change oil and filters and use the correct oil, Fiat change the oil spec some years ago.
The engines are identical an Abarth differs by having a different turbo and map. I used to sprint a multiair Mito in Road class for three years and it was incredibly reliable. I still have the car and just make sure I change the oil every year and the multiair filter every two. It doesn’t deliver masses of power but is a good unit.
I’m pretty sure they are both 955A2000 units. Sometimes there can be slight changes between model years but essentially the same engine. The cylinder head appears to share the same part number across all models. You can take a 135/140 Mito/Punto to the 170 or SS level just by fitting the 1446 Turbo and corresponding
I am pretty good with the spannersOK replacing the engine is the most expensive and time consuming.
If you’re prepared to replace the engine then you may as well try the thread repair. with a lot of care you can do it in situ.
To really get to it properly you’ll have to take off the multiair unit though so it may be easier to take off the head altogether and once you’ve done that it’s best to re-face the head and change the cam belt too. A machine shop would easily rectify the plug.
I would probably start with the plug repair because if it doesn’t work you’ll have to strip it anyway. Get it on the compression stroke and afterward fill it with petrol or brake cleaner and suck it out - get your hands on a boroscope if you can ( Aldi and Lidle often do a cheap on ) to look inside.