DockerillH

Budding Enthusiast
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About DockerillH

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    Member

Profile Information

  • First Name
    Harry
  • Ford Model
    Fiesta
  • Ford Year
    2009
  • UK/Ireland Location
    Powys

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  1. To help anyone reading this in the future, it turned out fuel pressure was not a problem as the engine is meant to have 200bar at idle. The actual problem was that the connectors on the EGR plug were loose and not making proper contact, so even after replacing the EGR the problem still remained. All it needed was a new wiring plug for £10.
  2. Unfortunately I've already replaced that but no luck.
  3. Just been out again with my scanner, and found out at idle the fuel pressure is around 200 bar (seems a bit low?) and that even when the engine is running at constant RPM, the pressure will bounce from around 180 bar to 220 bar. When I press the accelerator the pressure increases quickly, however when it drops back down it drops very low, to around 120 bar, where I feel the engine judder, then bounces back up to 200 bar. When the engine is running there is also a lot of vibrations in the cabin. Hope this helps.
  4. Hi, not quite. When I turn the key it fires pretty quickly and the needle jumps up, but bounces around for a while before eventually settling. Just looked at fuel pressure and it bounces around a lot.
  5. Thanks guys will give the glow plugs a look. I should also mention I changed the EGR valve recently however it had no effect. I've heard this could also be the fuel pressure regulator, does anyone agree?
  6. Hi, I was thinking that although apparently diesels don't have them.
  7. Hi all, I've been working on this 2009 Ford Fiesta for a while now with a 1.6tdci engine. I've managed to fix most of its problems however one has left me scratching my head. When the engine is cold if I start the engine the revs will bounce around for about 5 seconds, but after this it maintains a steady idle. However if I bring the revs up and let them come back down, it will be fine for a moment, then almost stall, then recover and be fine again. After about 30 seconds when the engine has got a bit of warmth these problems go away and the car will drive perfectly well. I should also point out that if I bring the revs up during this time period it will feel like the engine has a misfire. If I connect my scanner to the engine whilst it is cold, I can see that when the revs come back down, the fuel pressure drops too far, then suddenly comes back up and the engine recovers. I have also noticed that when I turn the key off the fuel pressure drops off quickly to zero (after about 15 seconds). I thought this was an injector problem so bought another one and started swapping them around, however this had no impact. I did not change the injector codes whilst I was doing this, so could that cause a problem? If anyone has any advice it will be greatly appreciated. Thanks.
  8. Hi, thanks for finding that! I haven't been able to find that anywhere. If you could send me the link that would be great. I'm looking to test the wire on pin 28, however as there are 3 connectors going into the ECU, which one would have pin 28?
  9. Hi all, just a quick update So after replacing the injector seals and a few sensors, including the EGR, most problems have gone away. However, I still have the p0405 code, which leads me to believe I have a wiring problem.? I am trying to test the EGR sensor wire, however not sure which pin of the ECU it is. Anyone know where I could get a wiring diagram?
  10. The fuel filter is apparently made by crosland filters. I haven't heard of them before so not sure if it's good or not. Pulled the injectors out today and all 4 were covered in diesel to the point where they were dripping into the cylinder whilst I was taking them out. I'm assuming this isn't normal! Do you think this could cause the revving as extra diesel was being pulled into the cylinders? Certainly explains the leak! Luckily I've got a pack of all new seals so should be an easy fix.
  11. Thanks guys, Got forscan installed on my laptop this morning and got it working to find the following codes: P0405 for the EGR as before. P0698 voltage reference circuit C low. U0073 Control module data bus off. The last two codes appeared when the engine suddenly stalled, and makes me think this is a wiring issue - maybe a cracked loom? Also tested all of the glow plugs and found one of them is indeed dead, so will be replacing it. Took off the EGR and it looks as though it hasn't been replaced since the car was new, so will be replacing that also. I monitored the fuel pressure compared to RPM again this morning, and found that as the RPM increases the fuel pressure actually drops - any ideas why this would happen?
  12. I think I've got very unlucky with this one! Feels like everything's failing. I hadn't thought about glow plugs before, as I haven't got an error code for them, so I will definitely give those a test tonight. It seems to be fresh diesel lying around the injectors, however I can't see it leaking from anywhere. I have bought a pack of new injector seals so hopefully I can take a look at the injectors at the same time. I was hoping it would be the throttle pedal itself causing the RPM jump, but when I monitored it the throttle percentage stays constant whilst the RPMs rise, and seems to change correctly as I press it down. I didn't realise the EGR could cause it to stall, so I'll take that off at some point and see if it's blocked up. As for my OBD reader, I have a cheap ELM327 Bluetooth one. Can I get Forscan on my phone? Thanks!
  13. Hi, yes should have included that. It's the 16 valve 90bhp engine. Thanks