Hi. Does this sound familiar as a known fault to anyone?

I have a 2013 CX-5 Lux 2WD with approx 55,000 miles on the clock. Driving at around 30mph in a residential street a few weeks ago, the engine cut out without any warning - no unusual noises, no unusual movements. I just coasted to the side of the road to park at the kerb. The engine hasn't started since. Starter turns well, but just won't fire.

It's been with the dealer for coming on three weeks now, and it seems neither they nor Mazda have the faintest idea what's wrong. It's a lease car, so I'm paying good money for this.

Presumably unrelated, but 6 months ago, while driving abroad, the turbo just blew, and thick, black smoke billowed out the exhaust. Car got repaired in Spain and I drove it back a few weeks later, though it seems the workshop damaged the roll-bar which had to be repaired when I got back to the UK.

Anyone else had a similar experience?

Thanks

 

Diesel engine?

 

Yes, diesel.

Having changed the PCM, they now seem to be suspecting the fuel pump. At this rate, the whole car is going to be renewed piece by piece.

Rather worryingly, I just had a call, after almost 3 weeks, to ask whether the car has ever been misfueled. It has, but was drained before the engine was started, and that was almost two years ago.

 

Four years ago my wife and I vacationed in the UK and rented a Hyundai I20 diesel. I enjoyed my first drive in a modern diesel, but halfway through the trip I misfueled it (much to my embarrassment!) and, after stalling out about half mile from the gas station, had to call for service and have it drained. Guy drove from Edinburgh to Glasgow (about 2 hours) on a Sunday afternoon and showed up in a Ford Ranger pickup truck fully outfitted for this type of thing with side signs calling out something like "Fuel Emergencies, Inc." He said that was all he did for a living and that I was the 12th vehicle he had drained that day! Said he had one client who owned a Mercedes who had misfueled it three times! So it happens...

 

Yep, happens a lot.

Question is though, given that I realised I'd mis-fueled and had the petrol tank drained before I started the engine, is it reasonable to expect a fuel-pump failure two years later?

And when the fuel pump does fail, wouldn't there be some sort of warning symptoms, even just the engine spluttering a bit before it cuts out, rather than just cutting out and leaving me to coast to the kerb?

And why would it take almost four weeks to identify on a modern car with all its diagnostic data?