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peugeot 807 2.2 hdi executive

Posted By azo1980 12/23/2009 12:05:00 AM
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azo1980
 Posted 12/23/2009 12:05:00 AM
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Hi i have a peugeot 807 hdi executive. The engine managment light came on and the car started to lose power. Sometimes the light goes off and everythings back to normal but when the light comes on the car does'nt want to pick up speed the way it should do. Ive taken it to the dealers but they're just guessing this and that.They had a glow plug fault come up on their diagnostics, and are saying the timing might be out or could be the turbo pipe which is split. Does anyone have any idea what could be wrong???????
locrep
 Posted 12/23/2009 5:00:38 AM
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Hi, You need to start with a scan & a better dealer, because if a dealer can not find the fault we will struggle to guess what it is.

SmileIf everything is coming your way, you are in the wrong laneSmile
swe62
 Posted 12/23/2009 3:28:27 PM
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if its anything like the 2 litre hdi and it turns out to be glow plugs or injector faults I should start praying for a lottery win these things are the most awkward heaps to mend you need the engine out to do almost anything on the top end,  trade it in for a proper none french car
Pumba
 Posted 12/23/2009 4:09:53 PM
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'could be the turbo pipe which is split '

Is it split? or it 'could be' split?

Any obvious faults with the car need to be rectified before going any further into the diagnosis really, please clarify if this was their guess or if the hose is actually faulty.

azo1980
 Posted 12/23/2009 4:44:35 PM
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After a £70 diagnostic charge the dealer has found three major faults.

1) Glow plug relay is faulty

2) Somethings wrong with the turbo pipe

3) Problem with timing belt. (Timing out)

They've told me it will take 3-4 hours to look into the timing belt and another £450 will be payable.

Iv'e authorised this but said do the glow plug first because its cheaper for me and wont waste alot of their time as this might fix the problem.

Today i went to the dealers, They've done the timing belt check and found no fault there but did not fix the glow plug problem. Im not happy with the level of service i got from them because they did not change the glow plug relay first which i told them to do first but went to look for the problem in the timing belt and DID NOT find a problem there.

They've taken £580 of me which i wasn't happy to pay but they wouldnt give my car back if i didnt pay and i got the car back in the same problem i took in in with. They have told me that they will change the glow plug relay after boxing day and see if the problem is resolved.

These are the codes i got from them:

P0380

P1435

p1442

p1446

p0245

p0340

Can any one help me please... Sad

Angus
 Posted 12/23/2009 6:19:44 PM
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P0380 - EDC15C2 - Pre/post heating relay circuit; short to positive.  [Probably a glow-plug gone - commonly seen, unimportant.]

P0245 - EDC15C2 - Turbo pressure; measured too high.  [Very important; the ECU will "go safe" instantly that happens.]

P0340 - EDC15C2 - Crankshaft synchronisation.  [Worrying.]

P1435 - EDC15C2 - Additive system.  [Five possible sub-codes on that one.]

P1442 - EDC15C2 - Additive ECU; Quantity of additive.

P1446 - EDC15C2 - Additive level.   

 

From those codes, all of which have multiple meanings on different PSA fuelling systems, the most likely source of your repeated "limp-home" problem is the overboost one P0245.  That could be a coked-up turbo, so it should be checked for free movement of the actuator and vanes.

The three P14xx codes would suggest that the diesel additive system hasn't been serviced as required - at the very least, it seems to need refilling and the counters resetting.  The exact sub-code on P1435 may give further clues.

 

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azo1980
 Posted 12/24/2009 1:30:41 AM
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Thanks for the info. I had the perticilate filter changed by a back street mechanic and he also topped up the fluid level but didnt reset the counter as he didn't know about the counter. The "diesel attidive minimum level" appeared and since then never went away. Ive spoken to the dealers about it and they've told me in order to stop the sign from appearing they need to drain empty the old fluid, reset the counter and then fill a new fluid because they cannot reset the counter while the fluid is in there.

About the other codes. P0340- crankshaft- they had a look at the ntiming belt and that was ok.

Now its the two codes i need to worry about: P0380 relay OR P0245 Turbo pressure too high.

Which problem should i tell them to fix? because they told me that they will fix glow plug relay after christmas and see if the home limp mode goes away.

Angus
 Posted 12/24/2009 10:12:33 AM
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Around 80% of HDis that I see have a glow-system code stored - harmlessly, not even a light on. 

They don't use the glow-plugs to start in temperate regions - but leave them on for up to 3 minutes post-start to reduce smoke.  This kills the glow-plugs [and sometimes the relay too] in short order.

The turbo-pressure code is the only one with sufficient weight to trip the system into limp-home mode - your power loss.  Excessive boost pressure is dangerous to the engine, so the moment it's detected, the ECU will default into the safety of limp mode - until you switch the engine off for a second, then you're back to full power, temporarily. 

Although the turbo control system should be checked first; the common cause of over-boost on these is the variable vanes inside the turbo becoming jammed with carbon residue.  Removal and cleaning is possible, but the dealer will probably just replace the turbo.

Allowing unskilled people to play with the complex additive system is asking for trouble.  They are expensive enough to service without wasting money on bodgers who can't hope to do the job.  Get the dealer to service it all properly - but be prepared for a large bill for that alone.

Given the multi-thousand pound potential cost of all these problems - I'd consider replacing the car.

.

swe62
 Posted 12/24/2009 1:04:04 PM
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as pointed out earlier
locrep
 Posted 12/24/2009 3:26:09 PM
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Take note of what Angus has said, He is spot on.

SmileIf everything is coming your way, you are in the wrong laneSmile

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