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Old 15-07-13, 10:00 AM   #1
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Default Turbo 407 2.0 diesel - loss of power

I own a 2004 407 2.0 diesel, I am having a problem for the last 6 months regarding power. Mileage 119k.

The car is loosing power on heavy lodaing conditions, ie up hills, to rectify this:

1. I have checked DPF, regneration is happening and there is dpf fluid.
2. Had waste gate valve replaced as fault was showing.
3. Blocked off ERG valve, improved mpg but not main problem.
4. A premanifold air temperature of -40 degrees, changed MAF sensor.

The thing is that the car runs fine up except when on any sort of gradient, turbo sounds fine no whistles or smoke, my local mechanic thinks it may be turbo but it is a big job on the 407 (boost issues according to codes), he is reluctant to take it on and the Pug main dealer wants to replace DPF and turbo at an outragous price.

Does anyone have any knowledge on the issue? or will I have to bite the bullte and go for turbo replacement?
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Old 15-07-13, 10:49 AM   #2
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How to: Contact a member for Peugeot Planet Diagnostic
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Old 15-07-13, 11:25 AM   #3
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I don't have the exact codes but my mechanic said that the boost pressure was down on what it should be. I brought it to a PUG dealer 3 months ago and they said that fins inside the turbo are worn!! in his opinion the boost pressure was low also.


Is there anything else you think from what I described in my previous post
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Old 15-07-13, 11:33 AM   #4
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Quote:
Originally Posted by portman View Post
I don't have the exact codes but my mechanic said that the boost pressure was down on what it should be. I brought it to a PUG dealer 3 months ago and they said that fins inside the turbo are worn!! in his opinion the boost pressure was low also.


Is there anything else you think from what I described in my previous post
Read the link That Gibbo replied to you with and get get in touch with a member near to you with planet to do a full diagnostic for some beer tokens. Post the EXACT codes etc on here and our very own Master Technician Davidireland ( shameless plug for you David ) will hopefully be able to advise you, also you will probably find that several members on here will also have had the same problem and can share their experience with you. Finally you will find that the trouble with diagnostics is that you need to understand and interpret them as they show what part is detecting a fault not necessarily the part that is a fault
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Old 15-07-13, 12:46 PM   #5
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Or cut out the middleman and take your car to David, you won't regret it.
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Old 20-07-13, 01:00 PM   #6
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Unhappy Codes

Hi David,

I have the following codes coming up in the diagnostics:

P1445 - Diesel additive too high
P1598 - Pre pot heating circuit bypass
P2562 - Wastegate Solenoid open - this was replaced early in the year
P0704 - Clutch switch signal
P0299 - Turbo pressure too low
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Old 23-07-13, 01:28 PM   #7
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Default Turbo 407 loss of power

Hi David,

I have the following codes coming up in the diagnostics:

P1445 - Diesel additive too high
P1598 - Pre pot heating circuit bypass
P2562 - Wastegate Solenoid open - this was replaced early in the year
P0704 - Clutch switch signal
P0299 - Turbo pressure too low
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Old 23-07-13, 01:33 PM   #8
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Join Date: Mar 2009
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Posts: 9,614 Need 20 posts before PM!!!!!!

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If you need 20 posts before you pm , just post on this thread until you reach your number , please don`t random post all over the place ,you can post "Hello" 20 times if you like , we`ll keep this thread for pure crap.
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Old 23-07-13, 04:17 PM   #9
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Originally Posted by davidireland View Post
Problem is these faults can be loads of different things. The coolant bypass solenoid is not the problem anyway. The turbo boost fault is the problem as obviously you have no boost.
These problems are pretty much impossible to diagnose on here. Has all the vacuum system been checked for instance? The problem could be as simple as a turbo copy sensor. It seems your car has been in the hands of people/person that hasnt a clue how its systems operate.

Sent from my GT-S5690
Yes well I have brought into Peugeot dealer in Ennis and he told me my fins were worn on the turbo, so I aint going back to that dick head. My own mechanic doesn't really want to know, and will no longer be my mechanic. So can you recommend anybody who knows what they are doing, I have no problem paying but I am not going to accept the approach of just replace everything till it is fixed. I would appreciate it.

Ben
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Old 15-08-13, 09:54 AM   #10
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Default Diagnostic

Hi Dave, I have booked in for the 23rd, can you let me know if you will be looking at it as I don't want to waste my time or money if you are not.

Thanks

Ben
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