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S80 '98-'06 / S60 '00-'09 / V70 & XC70 '00-'07 General Forum for the P2-platform S60 / V70 / XC70 / S80 models |
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Fuel Pressure Fault CodesViews : 2796 Replies : 14Users Viewing This Thread : |
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Jul 13th, 2019, 16:53 | #1 |
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Fuel Pressure Fault Codes
I've had a couple of instances of my E3 D5 going into limp mode recently for no apparent reason. Looking on VIDA I get the following fault codes:
Is the last code the clue as to what is causing all four to appear? If so how do I test further to check? I also have an ECM-6805 boos pressure code which is because of a split intercooler. Only mentioning on the off chance that it's relevant. |
Jul 13th, 2019, 17:00 | #2 |
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Click on each code individually, then click View Information at the bottom of the screen and the reasons for the codes and possible solutions will be shown.
There isn't one reason and solution. You can also search codes in the Search tab of Vida. Air related codes can link to fuel codes and vice versa or be completely unrelated so you just work through the possibilities.
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2002 S60 SE D5 Manual 209000 miles |
Jul 13th, 2019, 17:33 | #3 | |
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The fault only happens intermittently and clears with the engine being turned off. For example today it happened on the M62 with cruise control set at 70mph on (relatively) flat ground. Dipped the clutch, turned the engine off and back on and away we went... |
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Jul 13th, 2019, 18:00 | #4 | |
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Vida contains signal specifications to check for most of the engine management components. If wiring is the cause, you'll waste your time and money replacing the valve but how you approach it is up to you. I would say that the valve code is leading to the other fuel codes though. Fix one and you'll likely fix the rest.
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2002 S60 SE D5 Manual 209000 miles |
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Jul 13th, 2019, 18:56 | #5 | |
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Jul 28th, 2019, 21:31 | #6 |
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The fault hasn't happened since the original post until today
I replaced my intercooler over the weekend but left the under tray off. Went through a large puddle today and all of a sudden the engine is jerking and clacking again. Tried to cycle the ignition to clear the fault but no joy this time. Presumably this is as a connection/wire has got wet. How do I go about checking the wiring further? |
Jul 28th, 2019, 21:38 | #7 | |
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Jul 28th, 2019, 21:55 | #8 |
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If it was just a puddle and the engine behaved like that check your pipes th air intake is high in the front grill...if water got in..is sucking from somewhere else....
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Jul 28th, 2019, 22:20 | #9 |
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I don't believe it's water being sucked in, I've also checked with VIDA and the fuel pressure codes have returned (ECM2501 ECM2502 & ECM2800).
I'm not talking a deep puddle coming up the grille, more of a large puddle which splashes a wave onto the pavement. |
Aug 25th, 2019, 09:52 | #10 |
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Bumping the thread as this issue is finally happening more often so I might stand a chance of diagnosing it.
I will be getting a new fuel filter tomorrow and hope to be able to disconnect the return line and blow down it to rule out a blockage. Having said that I'm leaning towards a fuel supply issue. Yesterday I had the passenger side up on the ramps and the fault occurred 6 or 7 times in one journey. Parked overnight and everything was fine this morning except for one instance after hard cornering. That jogged my memory and MOST instances are after a hard corner. Could I have a saddle tank problem starving the engine of fuel (i.e. pumping air to the rail)? For reference the gauge shows half a tank currently. Any tips on what to do to eliminate or test this theory? Last edited by DeanH; Aug 25th, 2019 at 09:54. |
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