Car guru? Engine management code - English translation please?

Legionreturns

Got the dreaded yellow light of impending doom yesterday. Car doesn't feel any different. Clearing the code works but it comes straight back. I'm guessing it's a loose wire but no idea where to look. 


It's a 2010 Mazda6 TS2 2.2 

goldtop

Crankshaft! Interference engine? I'd say that it sounds sufficiently serious enough to not ask random blokes on the Internet and instead to get it to Mazda or a Mazda-specialist indie.

Hope it is as simple as a detached wire! :-/

Legionreturns

goldtop said:

Crankshaft! Interference engine? I'd say that it sounds sufficiently serious enough to not ask random blokes on the Internet and instead to get it to Mazda or a Mazda-specialist indie.

Hope it is as simple as a detached wire! :-/

I'm absolutely taking it in, I'm just trying to work out if it's safe to use in the mean time. My car is critical to my job so if I don't have it, I have to take a day off unpaid. (I'm currently on supply)

strtdv

Sounds like it's telling you that it detects that the crankshaft and camshaft are out of sync (ie the camchain has stretched/is about to break)
If that's true it needs looked at immediately.
The Mazda 2.2 diesel had a recall for camchain stretch, I believe 2010 cars were affected.

I'd get it looked at ASAP, and don't drive the car in the interim.

shaunyshaun1234

https://www.obd-codes.com/p0016

Don't know if that will help but it gives a few ideas!

amarok1971

might be just a crank sensor gone

Legionreturns

strtdv said:

Sounds like it's telling you that it detects that the crankshaft and camshaft are out of sync (ie the camchain has stretched/is about to break)
If that's true it needs looked at immediately.
The Mazda 2.2 diesel had a recall for camchain stretch, I believe 2010 cars were affected.

I'd get it looked at ASAP, and don't drive the car in the interim.

I had the timing chain replaced under warranty a couple of years back because it had stretched. I'd be very surprised if they put another stretchy one on. 

strtdv

I wouldn't!

It took BMW 3 attempts to get the camchain tensioner sorted on the N47 engine.

prowla

There's a possibility that the sensor itself has failed.

I once had a Vectra and the bloddy things were the most unreliable part on the car, at least until the cam belt let go on the motorway!

crunchman

prowla said:

There's a possibility that the sensor itself has failed.

I once had a Vectra and the bloddy things were the most unreliable part on the car, at least until the cam belt let go on the motorway!

If you buy a Poxhall....

I had one as a courtesy car the other week.  Didn't like it.

Phil_aka_Pip

crunchman said:

If you buy a Poxhall....

I got rid of one a year ago, and so far have been happy with its replacement (not-a--Poxhall)

FX_Munkee

strtdv said:

Sounds like it's telling you that it detects that the crankshaft and camshaft are out of sync (ie the camchain has stretched/is about to break)
If that's true it needs looked at immediately.
The Mazda 2.2 diesel had a recall for camchain stretch, I believe 2010 cars were affected.

I'd get it looked at ASAP, and don't drive the car in the interim.

This. That's exactly what I'd expect to see from a "stretched"* cam chain.

* they don't really stretch, they wear, but the expression seems to be infuriatingly sticky.

crunchman

FX_Munkee said:

strtdv said:

Sounds like it's telling you that it detects that the crankshaft and camshaft are out of sync (ie the camchain has stretched/is about to break)
If that's true it needs looked at immediately.
The Mazda 2.2 diesel had a recall for camchain stretch, I believe 2010 cars were affected.

I'd get it looked at ASAP, and don't drive the car in the interim.

This. That's exactly what I'd expect to see from a "stretched"* cam chain.

* they don't really stretch, they wear, but the expression seems to be infuriatingly sticky.

If they wear like bike chains, then the rivets wear so the chain as a whole does actually stretch.  It then doesn't sit nicely on the sprocket so that wears more quickly too.

Legionreturns

Well if that's the case I'm fucked. It was done under warranty last time...but would have cost £1500. If it's gone again 2 years and 30k miles later they can fuck right off for £1500. 

Dominic

amarok1971 said:

might be just a crank sensor gone

^THIS........still not cheap or easy to get to

tone1

Don’t drive it....Cam/Crank our of sync for sure...Get it recovered.. 

Legionreturns

tone1 said:

Don’t drive it....Cam/Crank our of sync for sure...Get it recovered.. 

Not an option. Don't have the funds for recovery, am at work. 

tone1

Have you got Breakdown cover with your bank account or car insurance?

ToneControl

I would avoid driving it

ToneControl

phone the dealer and ask if they can come and collect it?

m_c

Ultimately, that code refers to a crankshaft/camshaft synchronisation problem, however it could be caused by a sensor fault, sensor ring fault, wiring fault, or a mechanical fault.
Some engines will store that fault whenever the engine is not running, which good diagnostic kit will know to ignore, whereas cheap code readers won't. Cheap code readers will also often not show all stored faults, plus they generally won't read faults in any other modules.

As for your specific vehicle, I can't even remember the last time I was in a Mazda, let alone worked on one, so can't give you much advice.
Was the timing chain kit fitted a genuine one?
We're currently in the process of redoing a lot of chains on transits, after our bean counters decided they could save some money by using aftermarket kits. Shortest life span so far is 7'000 miles.