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 Posted: Fri Mar 16, 2012 10:08 am |
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Joined: Nov 04, 2011
Posts: 33
Trade Rating: 0
Location: kent, uk
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Where is the fuel pump relay on a 53 plate 206 2.0L HDI?
This was my other problem: Here
And i've been told that replacing the Fuel pump relay might be the problem. Where is the relay?
I've been told it's under the ECU, but there's nothing under there at all.
Also on this model is there any interchangeable relays I can use to see if this is the fault? Thanks
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Posted: Fri Mar 16, 2012 10:37 am |
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Joined: Jun 08, 2010
Posts: 1035
Trade Rating: +17
Location: North Manchester
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i think its the one bolted to the back of the battery box by a 10mm nut
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Posted: Fri Mar 16, 2012 2:25 pm |
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Joined: Feb 07, 2010
Posts: 2721
Trade Rating: +6
Location: UK
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Its Under the ECU in the engine. If you get someone to turn the ignition on, while you listen near the ECU, you should here it charge up. I doubt this is the fault though.
I had this problem on my 2.0 HDi. The problem was in the engine fuse box. Find the fuse for the pump, pull it out and check the terminals underneath, mine had blackened. I unclipped my fuse box, and underneath the wiring was corroding. I changed the fuse board and that solved it.
I had Exactly the same problems your having now. I had to listen for the fuel pump to prime everytime i started the car or it wouldnt start. Once started though it was fine. Have you checked the pump as well? Directly connect a battery to it and see if it works. Be carefull of sparks though!
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Posted: Sat Mar 17, 2012 6:06 am |
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Joined: Nov 04, 2011
Posts: 33
Trade Rating: 0
Location: kent, uk
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Okay thanks. Just looked under the ECU, and can't find any relay, or hear any relay clicking noise. Here's some photos of under the ECU. Pretty sure there's no relay here.... And I've spoken to a Pug mechanic that reckons it's most probably the relay. But obviously you're right it could be a broken wire somewhere.
So is there a relay here and I'm being a plank, or is there definitely not a relay here.
However the one behind the battery does click, is this the FP relay or not?
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Posted: Sun Mar 18, 2012 5:59 am |
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Joined: Feb 07, 2010
Posts: 2721
Trade Rating: +6
Location: UK
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It should be under the ECU im not sure where though. PM LEE or Mr.Bsi, they might shed some light. Ill check servicebox now. Did you look at the fuse box, and also try the fuel pump?
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Posted: Sun Mar 18, 2012 6:12 am |
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Joined: Nov 04, 2011
Posts: 33
Trade Rating: 0
Location: kent, uk
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Yeah I've looked at the fusebox. Can I take it all out without messing up the BSI? Or should I disconnect the battery first?
I haven't checked the pump because I don't know how? Some wire and wrap it round the battery terminals and touch it on the fuel pump terminals?
I can't find this relay for the life of me though. Thanks man
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Posted: Sun Mar 18, 2012 6:13 am |
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Joined: Feb 07, 2010
Posts: 2721
Trade Rating: +6
Location: UK
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According to servicebox, there is a relay box in the engine fuse box. You can unclip the fuse board and look under there. I cant anything out for fuel relay on there. I used to have a programme with car part locations, but i cant think what it called!
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Posted: Sun Mar 18, 2012 6:15 am |
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Joined: Feb 07, 2010
Posts: 2721
Trade Rating: +6
Location: UK
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Disconnect the battery if yourt going to play with any fuses ECU etc.
To test the pump just wire a live and an earth to the correct points on the pump direct from the battery. I doubt this has gone though, im guessing Relay or wiring.
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Posted: Sun Mar 18, 2012 6:21 am |
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Joined: Feb 07, 2010
Posts: 13077
Trade Rating: +65
Location: England
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The relay (if fitted) will be brown in colour and uses a secure red connector plug to fit it.
Check fuse 2 or 25 in your engine fuse fox (depending on the BM you have fitted. Fuse 2 will be 15amp, fuse 25 will be 10amp.
If you can't find the relay, it will either be built into the pump (very unlikely, depends on the ECU you have). If not, it'll be built into the ECU
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Posted: Sun Mar 18, 2012 6:24 am |
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Joined: Feb 07, 2010
Posts: 2721
Trade Rating: +6
Location: UK
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Posted: Sun Mar 18, 2012 6:27 am |
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Joined: Feb 07, 2010
Posts: 13077
Trade Rating: +65
Location: England
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If you find one, and want to replace. I'll sell you one for £7.50 delivered.
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Posted: Sun Mar 18, 2012 6:28 am |
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Joined: Feb 07, 2010
Posts: 2721
Trade Rating: +6
Location: UK
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| Lee wrote: |
The relay (if fitted) will be brown in colour and uses a secure red connector plug to fit it.
Check fuse 2 or 25 in your engine fuse fox (depending on the BM you have fitted. Fuse 2 will be 15amp, fuse 25 will be 10amp.
If you can't find the relay, it will either be built into the pump (very unlikely, depends on the ECU you have). If not, it'll be built into the ECU |
Would you still hear the 'warming up' of the relay? My Hdi relay would always do this, but the fuse in the engine box was causing the problem.
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Posted: Sun Mar 18, 2012 6:32 am |
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Joined: Feb 07, 2010
Posts: 13077
Trade Rating: +65
Location: England
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| Steve206 wrote: |
| Lee wrote: |
The relay (if fitted) will be brown in colour and uses a secure red connector plug to fit it.
Check fuse 2 or 25 in your engine fuse fox (depending on the BM you have fitted. Fuse 2 will be 15amp, fuse 25 will be 10amp.
If you can't find the relay, it will either be built into the pump (very unlikely, depends on the ECU you have). If not, it'll be built into the ECU |
Would you still hear the 'warming up' of the relay? My Hdi relay would always do this, but the fuse in the engine box was causing the problem. |
As in the clicking and pump priming? Yeah you'd still hear it if it was in the ECU. Even on older models, you can hear the relays clicking inside. After the BSI shut down, you can normally hear the random relays clicking in the BSI and ECU if you listen carefully.
There are 4 different ECUs fitted to the 2.0 HDi on the 206, that's why the fuse and relay location varies depending on which one is fitted.
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Posted: Sun Mar 18, 2012 7:26 am |
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Joined: Feb 07, 2010
Posts: 2721
Trade Rating: +6
Location: UK
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The relay ping I was thinking of. Fault code read might be simpler solution.
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Posted: Sun Mar 18, 2012 8:03 am |
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Joined: Nov 04, 2011
Posts: 33
Trade Rating: 0
Location: kent, uk
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haha, i Bought a Diag tool the other day. And couldn't get the freaking thing to work, even though all the settings were correct.
I've looked under the fusebox, and there's just the Maxi fuses, no relays. So i'm guessing it's in the ECU like you said. But i can't diag the fault codes myself (piece of s**t ebay diag tool i guess, won't pick anything up with scantool on my laptop)
I checked Fuse 2 (the fuel pump fuse) and switched it with another fuse and still no luck.
I did notice a random plug that isn't connected to anything just under the ABS box. Probably a red herring but thought i'd post a pic of it up. Couldn't see if it went anywhere.
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