Fault Help

Common or potential faults associated with the French & Italian range.


Having worked with our chosen marques for quite some time now, it stands to reason that we have come across a whole plethora of faults, failures and potential automotive hiccups. Sometimes they are quite clearly due to a lack of maintenance. Others are due to poor design. Then there is just bad luck.

Here follows a list (in no particular order) of some of the more common occurrences we have encountered. Included are our comments and/or opinions as to how 'we' have dealt with the situation or believe would or could be an effective solution. Our ramblings are by no means a substitute for competent professional diagnosis and should be regarded as bodhi for interested parties.

To aid searching for a particular problem, try using the site search box. Enter key words such as 206 MISFIRE


Timing Chain EP6C & EP6DT

Friday, 23 December 2016  |  Stu

Affecting: EP6C & EP6DT engines with TIMING CHAIN (BMW ish engine)

[Peugeot 207 / 308 Citroen DS3 etc.]

There are a few problems with timing chains on the Peugeot 1.6 normally aspirated and turbo 'Prince' petrol engines which seem to command a certain amount of mystery.
Symptoms can be poor performance / misfiring or hesitation, engine warning lights coming on and vehicle going into limp mode to name a few. The root cause of the problem is usually the timing chain wearing and stretching, causing the timing of the camshaft/s to become retarded in relation to the crankshaft. It can occur at relatively low mileage. Occasionally there can be a rattling noise which is caused by failure of one of the camshaft dephasers.
Usually the best solution is to replace the timing chain, sprockets, slippers and tensioner, also replacing the dephaser pulleys is recommended.
 It is possible to check the wear of the chain by measuring the position of the chain guide using a dummy tensioner, you could then re-set the timing of the camshafts. We have re-set camshaft timing before but only on cars that have recently had the chain kit replaced. I have no experience of re-setting timing on worn chains although rumour has it that other people have tried it with some success. Rumour also has it that the pulleys can slip on their mountings and cause the timing to go out but I suspect the timing may not have been set quite right in the first place and the chain has bedded in and allowed the timing to go out of tolerance.
Setting the Timing :-  If you read and follow the manufacturers instructions for checking / setting the camshaft timing, chances are you’ll still have problems at some point because the result will be the timing set wrong or only just within tolerance and as the chain beds in, the timing will become incorrect.
We do sell the parts to do this job but you’ll need specific timing tools which are different for the turbo model and you do need to do a bit of cheating to get the timing set right.


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