01 2.0 HDI Turbo mystery - 206emily
My 206 HDi is confusing me to no end. It will start perfectly when cold and I can run around in it like a normal car. However I park up and cannot restart the car, once the engine is hot. I got a fuel pressure regulator fault so I have changed the fuel filter and housing and the High pressure fuel pump in the engine bay. The engine management light went off and I thought I had fixed it, drove around for half an hour and the same thing happens again. I am getting the following error codes:
P0510 - Closed Throttle Position Switch
P0230 -Fuel Pump Primary Circuit (relay)
P0380 - Glow Plug Heater
P0403 - Exhaust Gas Recirculation Control Circuit (EGR)

Can someone please advise me where to go from here, I am spending money replacing parts and just cannot drive the car anywhere because I cant get back home. I love my car and would like to drive it with confidence... please please any suggestions and advice would really be greatly appreciated.

Edited by Pugugly on 16/03/2009 at 17:44

01 2.0 HDI Turbo Mystery Please Help Me - injection doc
get a sparky to check the engine loom where it runs down the front of the head & engine block near the engine mount. I have seen a few worn through at that point & causes random multiple fault codes.
01 2.0 HDI Turbo Mystery Please Help Me - 206emily
Hi Injection, trouble is I am more worried about what is causing the faults, dont think they are random as the car is refusing to start and since the AA man came out and read the codes for me, now it wont even start from cold.... the weird thing was when it was failing to start, he pressed the fuel cut off switch and it would start?????
01 2.0 HDI Turbo Mystery Please Help Me - 206emily
please somebody help me out, I am tempted to change the intank pump but dont want to spend out yet more money if that is not the answer?
01 2.0 HDI Turbo Mystery Please Help Me - bananastand
I have no idea what the problem is but you sound so upset so I thought Id say hello 8-)
01 2.0 HDI Turbo Mystery Please Help Me - 206emily
ah thank you, just hate having a car I have owned for 4 months, 3 of which it has sat on my driveway... beginning to feel it is more like an ornament than a car
01 2.0 HDI Turbo Mystery Please Help Me - 206emily
bump for a solution :(
01 2.0 HDI Turbo Mystery Please Help Me - 206emily
I guess everyone is as confused as me, tried to start it last night and it did start from cold. Does anyone know of a reasonable and good diesel specialist in the heathrow area ?
01 2.0 HDI Turbo Mystery Please Help Me - adverse camber
Did you check the loom as suggested in the first reply?

If there are problems with the wiring stopping the sensors from giving sensible results then you can get problems starting.

certainly the number and variety of fault codes isnt going to help anyone diagnose. You can spend a fortune on this replacing parts without ever getting it sorted.

When it fails to start what does it do?

Does it ever cut out when running?

Have you ever used veg oil in it?
01 2.0 HDI Turbo Mystery Please Help Me - RichardW
I'm sure Screwloose would have recommended a leak off test next. You also need to get it on a dealer level scanner so that you can see the proper fault codes and get some live data. Screwloose also used to reckon that the fuel rail pressure sensor could play up on these if run on supermarket fuel. Poke-and-hope diagnosis on an HDi is a sure route to ruin....
01 2.0 HDI Turbo Mystery Please Help Me - 206emily
the fault codes are from the AA man on his scanner, are they not as good as a dealer ? Will get a leak off test done as soon as I can, I thought if the injectors were losing pressure then the engine would cut out but I can drive it for hours without problem it is just that I then cannot start it as soon as I turn the car off.
01 2.0 HDI Turbo Mystery Please Help Me - 206emily
It never cuts out when running and actually drives really nicely. I have never run it on veg oil, but only bought the car 4/5 months ago. It starts straight away when the engine is cold but when hot, the starter motor turns over and the engine violently shakes but just does not kick into life. I will check the wiring tonight...
01 2.0 HDI Turbo Mystery Please Help Me - 206emily
well checked the loom over and there does not appear to be any problems there, did a diy leak test and one of the injectors was gushing everywhere ? Changed it and the same thing happened. this would be the 4th injector if you are counting from the left and 1st if you are counting from the right ???? I just really have no idea.
01 2.0 HDI Turbo Mystery Please Help Me - 206emily
forgot to mention as it may be important, this problem only began when I wired up my stereo to an amp and capacitor. The car had no problems starting before that.
01 2.0 HDI Turbo Mystery Please Help Me - steve_earwig
Capacitor?
01 2.0 HDI Turbo Mystery Please Help Me - Thorcom
yeah its a huge 1 farad capacitor which is supposed to take the load of the battery and alternator at peak bass times.

there are to many things which need to be done.

Have you tried using easy start on the engine.
Have you tested all the glow plugs and wiring to them.
Have you checked the fuel pump.
Have you done as instructed and checked the wiring harness.
wiggle it and see if anything changes.

your asking for miracle answers but diagnosis work need to be done before we can help.

And the AA can be useless if they just cant be bothered. All the above would have been checked by the engineer that came out so what was the result.

dan head-mechanics.co.uk


01 2.0 HDI Turbo Mystery Please Help Me - 206emily
have not tried using easy start what is that and where do i get it from?
Have not yet tested glow plugs. Fuel injector Pump has been checked and replaced
In tank pump appears to be working properly. Have checked the wiring harness.. nothing wrong there. The engineer that came out just gave me the error codes i mentioned at the beginning, he appeared quite stumped. Said it may be a relay ?
01 2.0 HDI Turbo Mystery Please Help Me - steve_earwig
yeah its a huge 1 farad capacitor


That is huge! I'm amazed it fits in the car...

(Did you try taking it out again?)

Sorry Em, I'm not going to add much as I'm sure you already looked and anyway, all I could think of would bring the EML up.

The usual one on HDis is the lift pump in the tank, they usually go intermittant before dieing totally but not reliant on temperature. Not wanting to hot start says temperature sensors, which should bring the EML up, as I say, and I'd have thought it would be on all the time.

Fault codes don't tell you much on Pugs - they seem to need experience to interpret them properly. All I can suggest is you stop guessing and start looking for a diesel specialist (this excludes Peugeot of course)
01 2.0 HDI Turbo Mystery Please Help Me - adverse camber
Given that the range of faults implies an electrical problem then yes the fitting of an amp and capacitor may well be significant.
01 2.0 HDI Turbo Mystery Please Help Me - 206emily
Well I bought a brand new relay combo yesterday and fitted that and no difference. I have been brought to my knees with this one. The engine management light does stay on all the time. I have booked it into my local peugeot dealers on Thursday morning for diagnosis? Will let you know if they help at all!!!!!
01 2.0 HDI Turbo Mystery Please Help Me - glowplug
If it was my car I would have booked it into a Bosch specialist, someone who should be able interpret the fault codes not just read them off and guess they also should have facilities for checking physical pressure readings, leak off, etc. It seems to be temperature related so I would have initially been looking at the various temperature sensors (engine, fuel, air, etc.) but without live data from a Lexia you are searching in the dark.

Not sure adding a smoothing cap to modern cars is such a good idea. Along comes a 'sub' bass note the cap discharges and then places a large and 'long' lasting drain on the electrical system, I don't know about Pugs but C5s don't tolerate such things well leading to all sorts of spurious behavior.

Hope you get it fixed.

Steve.
01 2.0 HDI Turbo Mystery Please Help Me - 206emily
Well dropped it to Peugeot yesterday morning at 8.15am. Called them at 5pm last night and they said they needed to keep it overnight. Still havent heard anything from them and this is all just to diagnose it.... I guess they are as confused as me!! Will keep you all updated
01 2.0 HDI Turbo Mystery Please Help Me - 206emily
Okay so here is the update Peugeot have now had the car since last Thursday. Called me Friday saying were not sure what it was needed it over the weekend. Called me Monday to say they think it is the EGR valve ... so I said fine okay. They called me to today to say the EGR has sorted out some of the problems????????? As far as I was aware the only problem my car has is that it wont start from hot. Now they have decided it must be the high pressure pump.... scary as I have already replaced that and it made no difference at all.... So I spoke to them and said been there done that... especially as they want £900 for a new pump!!! They said that the injector rail is losing pressure to 40 bar instead of 100. Could be fuel rail could be injectors but they would like to start with the pump... I dont believe both my original pump and the replacement can be faulty.... I have told them I have paid them nearly £300 quid over the last few days and the problem has remained... someone please give me a clue here...
01 2.0 HDI Turbo Mystery Please Help Me - steve_earwig
Take it to a diesel specialist, Pug will just change parts until the fault goes, at your expense naturally.
01 2.0 HDI Turbo Mystery Please Help Me - 206emily
okay so finally got it home from Peugeot in a worse state than I gave it to them. They said I am losing pressure somewhere should be 100 bar is 40... I replaced the injectors and now it wont start at all. I think I am going to have to buy a second hand engine and do a transplant....
01 2.0 HDI Turbo Mystery Please Help Me - OssHead
Hi Hope some one can help me !
Have a 206 2.0 HDi 51 plate !
AA Recovered yesterday just died on me !
starts perfect runs for about 20 seconds and stops ! Changed fuel filter, inline fuel presure sensor and another sensor on the fuel line ! also changed the Air Flow Meter ! Will start when left for 30 mins or so ! Have checked the fuel pump in the tank and thats ok ! any ideas ? Please Please help !
01 2.0 HDI Turbo Mystery Please Help Me - 206emily
well still no luck have now changed all 4 injectors again and fuel pressure sensor, turns over but just wont kick into life... has been months now car is just gathering dust on the driveway...
01 2.0 HDI Turbo Mystery Please Help Me - 206emily
Cam and crank sensor replaced - still no luck....

Well got some easy start yesterday and it kicked into life... am taking it to diesel specialist today after work... so hopefully I will be able to solve this problem once and for all..

Edited by 206emily on 19/05/2009 at 13:55

01 2.0 HDI Turbo Mystery Please Help Me - ExpertHDI
Hi All,

sounds similar to my HDI130 Expert.

Starts from cold lovely. Runs Fine. Will not start when hot. WILL BUMP START WHEN HOT!!! Starts immediately when bump started, 1 revolution of engine. BUT Will not start on Key.

Have several mechanic friend all scratching their heads.

Will your 206 start by bump start? Let me know.

Good news is my mate works for peugoet and is bringing round pug diagnostics shortly. Will keep you updated.

Cheers

J
01 2.0 HDI Turbo Mystery Please Help Me - glowplug
Sorry if this sounds harsh but don't waste time/money taking HDi's to dealers or small garages. Generally they don't have the experience/training or tools to diagnose and fix the actual fault - not to be confused with the apparent fault. Find a Bosch franchise and talk to them. I doubt it would cost as much as a dealer, more so after they have replaced multiple items and still failed to fix the fault.

Feather Diesel services have a very good reputation if you are near them (Halifax).

www.feather-diesel.co.uk/

Also go steady with the Easy Start. It is possible to cause expensive damage using it to start and run the engine. Bare in mind that if the injection pump isn't getting a diesel supply and the engine is being turned (trying to bump start it or using Easy Start) it will damage the pump.

Please remember the common rail fuel system used on these engines uses precision parts and need to be treated as such.

Steve.
01 2.0 HDI Turbo Mystery Please Help Me - ianjoh
It could just be that it is not being cranked over fast enough due to a tired battery and/or starter motor. Think about how old the battery is or when it last had a good recharge - especially as it hasn't gone far in the last few months! (sorry) If it is more than 5 years old it must be appoaching the end of its life so its well worth a try. Also a new starter motor has just cured another members reluctant hdi when hot (alanmoose).
01 2.0 HDI Turbo Mystery Please Help Me - Javalin
>forgot to mention as it may be important, this problem only began when I wired up my stereo to an amp and capacitor. The car had no problems starting before that.
surely thats a key point? Sounds like you've broken something electrical whilst fitting. Have you removed the amp & cap and tried it? Check the wiring around where you've fitted the components and check nothings broken/disturbed/left loose.

James
01 2.0 HDI Turbo mystery - 123spence
did you sort your car its just im having same prob with my 406 hdi ive changed alsorts need help a s a p