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2010 1.6 Camshaft Sensor Error

4145 Views 17 Replies 3 Participants Last post by  mike1967
Hi,

A girl at work has a 2010 1.6 mini one with 68k miles, today she rang to say it was cutting out when slowing down and putting the clutch in (car doesn't have stop start). I hooked it up to ista d and there were 2 intake camshaft sensor codes, 002968 and 002983. I swapped the exhaust and intake sensors around and cleared the codes and the car seemed to behave fine so I put the sensors back in there original places and left the car to cool down.

From cold fault code 002983 has reappeared and whilst the car hasn't cut out while I've had it the revs do drop very low when braking from speed and dipping the clutch such as coming off the motorway. I've ordered a new camshaft sensor and will fit it in the morning but was just wondering if there's anything else I may have missed?

I checked the wiring it doesn't appear damaged and on both sensors pins 1&2 show 5v with the ignition on and pin 3 shows continuity to ground so I'm fairly happy the wiring is ok.

thanks
Chris
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with 68000 miles on it and if no timing chain recently changed more likely t be the timing chain and tensioner at end of travel anyday now it will jump teeth and bend valves if chain not been changed,, before dong anything else do the chain kit will more than likely sort it from all my dealings with them
Another bloody chain. Going to stop looking at minis at this rate.

Is there a live data setting I can view to see if the chain is at the end of it's adjustment not sure I'll be popular if I go into work and tell her she needs to sink £200 into it
No live data to confirm but you can buy a dummy tensioner and measure the slack. More than 68mm and the chain is scrap. Personally, I don't have a problem with timing chain replacement on a MINI, if it was a cam belt I would have had to change that, I cannot fathom why people think everything on an engine will never need maintenance? I agree with Mike though, 68K and a slack chain will give all sorts of codes. O2 sensor will be next to pop up.
Another bloody chain. Going to stop looking at minis at this rate.

Is there a live data setting I can view to see if the chain is at the end of it's adjustment not sure I'll be popular if I go into work and tell her she needs to sink £200 into it
vag petrols do same thing better not look at them as well, vag cam belts and water pumps same thing 5 years 80k , bmw diesel do same thing all of their petrols do chains before 100k, 20 years ago timing chains were life of engine not anymore even same of merc stuff have chains before 100k and in the small print of service details many state timing chain at 100k
And unsurprisingly Mike your right again, fitted the new sensor made no difference I'll be doing the chain on Monday just got to wait for BMW to get the crank bolt and vanos seal in everything else is in the chain kit I've got.

Only good news is my parts man is happy to accept return on the sensor I bought
And unsurprisingly Mike your right again, fitted the new sensor made no difference I'll be doing the chain on Monday just got to wait for BMW to get the crank bolt and vanos seal in everything else is in the chain kit I've got.

Only good news is my parts man is happy to accept return on the sensor I bought
dont worry i also sometimes do the try everything else before checking the one you dont want it to be lol,,, joys of looking at shit as half full lol
2
made a start on this today,



tensioners looking fairly extended, the cams timed up nicely with the flywheel locked though so nothing too serious seems have occured so far.



inside of the cam cover is looking pretty, I know the car is used for short journeys so I'm not too surprised it'll get a good hosing out before refitting.

In true pain in the arse fashion the flexi pipe fell apart when I removed it to fit the locking pin so that's soemthing else I'll need to sort out
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would replace the breather pipe as it would of been cracked before, also the pcv valve rubber would be effected by the condensation in rocker cover maybe,, if using no water then happy days, tensioner looks what would expect fr healthy one form first look at, but still lock it all off just to be on safe side some fools dont replace the stretch bolts then as the used twice bolts relax with heat and cold cycles can slip on shafts,,, MUST HAVE NEW BOLTS CAN ONLY BE USED ONCE
breather pipe will cause what you have with running and idle stopping at low revs could even effect the chain on and off load maybe
Which breather pipe are you referring to Mike, there's a few on there?

When I said the flexi pipe had fell apart I meant the exhaust flexi incase you've mistaken one of the breather pipes has fell apart
Did a bit more on this today, managed to get another exhaust with a decent flexi, another stupid mini design having the whole exhaust in one piece from the cat instead of removable sections.

Found the tensioner to only be done up finger tight and oil all over the place so I think someones been in here before. Got the new chain kit all fitted up nicely, cleaned out the cam cover and refitted it. Play was then stopped when the stupid crankcase breather hose from the cam cover to the inlet manifold snapped when I was refitting it, it did appear to be in decent condition as are the other plastic pipes but it'll have to be changed now poxy thing.
that was the pipe i was telling you about before they crack and you cant see the cracks but as soon as you move them the crack goes completely and snaps off they revised those pipes after 2010 to a non corrugated type solid smooth wall breather pipe,,
i've used flexi repair link below for exhaust in the past
UNIVERSAL PERFORMANCE 2.25" EXHAUST FLEXIPIPE CAT REPAIR PIPE FLEXI-XX-MNI | eBay

loose tension'r would say someone has been in there before, going by colour of chain and guides its a very old chain kit and new ish tension'r to me
Got this back together today and the new chain kit has made no difference.

Car still throws code 002983 intake camshaft sensor which will only reset with the engine off and comes back as soon as you start it.

The chain kit is right as the vanos readings are bang in the middle of the ranges.

The car drives fine but if your in 1st or 2nd and slow down say for a junction and dip the clutch it just dies, but will fire straight back up.

My next thought would be to look at the cam sensor wiring but I'd expect the code to not clear if the wiring was the issue.

Any ideas Mike?
Scrap all of that I had a moment of sheer stupidity and possibly did the timing chain for no reason albeit it was old anyway.

When id swapped out the cam sensors I changed the one closest to the radiator which is the exhaust one not the intake no idea how that had passed me by this whole time, just swapped the new sensor to the rear and refitted the other original back at the front and everything's running perfect
i be buggered lol never heard of that one before i always thought the sensors were the same, unless the wiring was iffy and you have moved it or the plug was maybe, as for chain 60.000 miles is best time span to change them they dont tend to do much more without hurting other stuff like cat and 02 sensors and crack valves as well, i got a 1.6vti engine in my unit i will have a look on it see what numbers they have,,
The sensors are the same but I only bought one new one and stupidly fitted it to the exhaust side which was fine and left the broken inlet one in place
The sensors are the same but I only bought one new one and stupidly fitted it to the exhaust side which was fine and left the broken inlet one in place
i see it happens at least sorted and future proof now
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