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XC90 '02–'15 General Forum for the P2-platform XC90 model |
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Mar 17th, 2024, 12:41 | #1 |
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Last Online: Apr 23rd, 2024 11:51
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Help
Hi guys need a bit of help had a bit of a problem for a while where my 2005 xc90 d5 awd euro 3 engine only done 122,921 has had what seems to be a popping sound if I take the oil cap off and seems very under powered
So i have replaced All engine mounts Maf sensor New egr valve Exhaust and cat been done Crank sensor Fuel pump and level Turbo boost solenoid Air intake control valve Glow plugs I then smoke tested her and found a leak from the intercooler so that has been replaced today smoke tested again no leaks but she has a bit more power and no popping when take oil cap off but she is still not back to full power still lagging will get to full speed but takes longer turbo is quacking in all gears change as normal just no power where can I look next was thinking rocker arms and lifters but she is costing a fortune and hoping there is possibly something cheaper and simpler to look at first any suggestions thanks in advance |
Mar 17th, 2024, 13:17 | #2 |
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Last Online: May 6th, 2024 10:31
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Hi...I have the same car 2005 .....have you replaced tcv near the starter motor ...or the boost pressure sensor in the pipe going from intercooler to manifold ...as the turbo actuator works on vacuum is it travelling fully and not sticking ......try a italion tune up to ensure vanes onturbo are not sticking...trust this may be of help
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Mar 17th, 2024, 14:05 | #3 |
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Last Online: Yesterday 21:49
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Location: Devon
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Have you had any error codes logged with a decent code read, preferably Vida ?
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Mar 17th, 2024, 16:38 | #4 |
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Last Online: Today 02:40
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Location: Newark
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Sounds like a boost leak to me. I’ve heard of leaks only opening up once full boost and pressure is reached so quite hard to find.
Most importantly what codes are showing? |
Mar 18th, 2024, 10:50 | #5 |
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Last Online: Apr 23rd, 2024 11:51
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Location: Lancing
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Hi thanks for replying I have replaced boost sensor and tcv I have no.lights on dash and no codes showing on icarsoft. Haven't done vida though
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Mar 18th, 2024, 11:26 | #6 |
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Last Online: Yesterday 21:49
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Location: Devon
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I don't know how good icarsoft is ? But IMHO this is so important. Real time data could be useful ?
Last edited by Lancee; Mar 18th, 2024 at 11:29. |
Mar 18th, 2024, 12:00 | #7 |
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Mar 18th, 2024, 16:58 | #8 |
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Location: Manchester
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check the resonator seals these can leak boost easy to replace if found to be leaking
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Mar 21st, 2024, 17:55 | #9 |
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Last Online: Apr 23rd, 2024 11:51
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Have checked resonator all seems fine would middle clip broken on air box housing so not shouting properly cause this vacuum problem as smoked tested again and that's the only place getting smoke ... icarsoft reading fault a/c linear pressure sensor and engine coolant temperature , ground short
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