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Old 10-02-10, 09:50 AM   #1
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Default Power loss 2.0 HDI

Help i seem to have a problem with loss of power it almost seams that the turbo isn`t kicking in. There are no warning lights on the dash and seams to disapear over night. I was wondering weather the fuel filter might be blocked as it seams to do it when the tank is showing in the bottom 1/4
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Old 10-02-10, 07:18 PM   #2
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yes the first thing i would try is the fuel filter,then if no diffrent try unpluging the mas sensor plug,that will give u a light on dash but if it runs ok it could be a bad or dirty mas sensor,and if no dirent try thr egr valves.
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Old 11-02-10, 09:11 PM   #3
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Thanks for the advice i have recivied the filter today from euro car parts it looks like quite a straight forward job. Is there anthing i should look out for or can i just unscrew the cap replace o ring and filter and prime before starting.
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Old 11-02-10, 10:20 PM   #4
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Quote:
Originally Posted by simon807
Thanks for the advice i have recivied the filter today from euro car parts it looks like quite a straight forward job. Is there anthing i should look out for or can i just unscrew the cap replace o ring and filter and prime before starting.
remove pipes off filtertop.becarfull you don't break the top as these are very prone to breaking most ppl do just change the whole housing,but it should be ok if you carefull,put new filter in,top back on pipes back on.and if you have a priming bulb pump that .if its like a 307 hdi they are self priming,but before trying to turn it over streight away,turn ignition on wait for the pumps to stop,do that about 3 times then try starting it i will check to c if they are self bleeding just to make sure good luck

Last edited by bigboots; 11-02-10 at 10:23 PM.
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Old 14-02-10, 09:18 PM   #5
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Completed the filter charge it only took 10 minites from start to finish.The old filter was very dirty and the car now seems a bit more responsive only time will tell if its sorted the problem.
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Old 19-02-10, 08:01 PM   #6
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Can`t believe it the cars been running fine all week but on my way home from work it played up again same as before. I`d better have a look at the mas sensor were is it ?
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Old 21-04-10, 10:50 AM   #7
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mass air flow sensor should be located next to the cars air box,pull the plug off and run the car with this off,it will bring a dash light on.if it runs fine with the air flow unplugged it needs replacing.although with the maf unplugged it will be slightly underpowered.
could also be boost leak or egr problem
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Old 26-07-10, 10:09 AM   #8
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All parts changed and its still losing power. at least now the ECU light is coming on so peugeot might be able to read a code error from the system . Reading up on some of the forums it seams as though the exhaust pressure differencal sensor might be a causing the problem. I rang my local dealer and peugeot now use a different sensor with a few mods to the existing set up is it an easy job to do or should i leave it to the profesionals.
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Old 24-01-12, 10:03 AM   #9
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Quote:
Originally Posted by simon807 View Post
All parts changed and its still losing power. at least now the ECU light is coming on so peugeot might be able to read a code error from the system . Reading up on some of the forums it seams as though the exhaust pressure differencal sensor might be a causing the problem. I rang my local dealer and peugeot now use a different sensor with a few mods to the existing set up is it an easy job to do or should i leave it to the profesionals.
So did you ever get to the bottom of the problem? I have the same problem with my 2.0 HDI which has just become apparent and only ever seems to happen when it starts raining, then lasts for a few days when its dried out again!
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Old 24-01-12, 02:09 PM   #10
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I had exactly the same problem as you.

My mechanic tried all sorts - including blocking the EGR off, fuel filters, MAS sensor and checked the turbo was OK. In the end they found an actuator arm broken in one of the gate (exhaust possible?) on the turbo and when they replaced it hey-presto!

Now after months of nice motoring it's back to it's old tricks again

Loathed to go back to the same mechanic and short on funds so could do with knowing how to check that actuator!
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