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Old 06-10-15, 06:11 PM   #1
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Default Running badly after cambelt change

Hi all, I'm looking for some advice re: a 56 plate 1.4 petrol 207.

Last week my partner was out in the car when it started when a loud noise appeared, she was along way from home and immediately took it to the nearest garage where they diagnosed it as being the cambelt tensioner that was failing.

They advised not driving any further to prevent any damage so she booked it in to have the cambelt and tensioner replaced, as part of this work they have also replaced the water pump.

The car was delivered back to us and immediately I noticed the car was running roughly, on start up the idle was immediately at 1500rpm and it rose to 1700rpm by itself in the course of about 30 seconds. Pops and crackles could be heard from the exhaust and although the revs were not fluctuating up and down, it seemed to be running badly.

I rejected the car and they took it back, they then claimed it was a VVT issue and they had cleared a fault code and taken it for a 12 mile test drive.

When it was returned again it was exactly the same so they took it back again, this time they claimed they needed a peugeot specialist to reset the ecu properly and after a couple more days rang to say they had had it sorted and also found a loose belt?

Today it was returned for a third time and it seemed to be idling alot better (around 900rpm) but there still seemed to be some slight rough running at idle. I said I would see how it went and turned off the car. This evening I decided to give it a run out and on starting the car, the rough running seemed a little worse and the rpm's were closer to 1000, then a depollution warning popped up along with the engine warning light.

Can anyone shed any light on this, does the garages course of action seem to make sense or have they just lowered the idle rpm somehow and not fixed whatever the issue is. Could anything they have done have caused this issue?

Thanks in advance!

Last edited by W.Ford; 06-10-15 at 06:15 PM.
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Old 06-10-15, 07:04 PM   #2
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My guess would be that the cam belt has been fitted incorrectly one tooth out or without aligning the camshaft and crankshaft sprockets properly. This would cause the engine timing to be out and give the problems you describe.

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Old 06-10-15, 07:04 PM   #3
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Idle CANNOT be adjusted might be timing still out might be something they have done hard to say but sounds like a rubbish garage if they cannot get such a simple belt job right !
assume nothing check everything twice !!
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Old 06-10-15, 08:53 PM   #4
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Thank you both, it wouldnt have been our first choice of garage but having said that, they are a well known dealership who sell several marques. I'll be on the phone to them again in the morning and suggesting that its a tooth out.
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Old 06-10-15, 09:13 PM   #5
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Not sure if same management system as on 1.6 vti if so after battery disconnect when i did clutch you had to go through a set relearn process for engine parameters.

Start from cold (do not touch throttle and A/C off)

Leave car to idle until fans cut in (do touch throttle or turn on any electrical loads during this time)

Once fan have run turn on A/C and drive car (> 5 miles) going through all gears as part of test drive ensure full rev range used (min up to 3500 rpm for short periods). Also at least twice from a min of 2000 rpm foot of throttle and let over run with no throttle until below 1000 rpm
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