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S40 / V40 '96-'04 General Forum for the Volvo S40 and V40 (Classic) Series from 1995-2004. |
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What did you do to your x40 today???Views : 1068873 Replies : 12937Users Viewing This Thread : |
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Jan 22nd, 2018, 22:46 | #12431 | |
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2002 V40 T4 17" Arcadia's ,Boost Gauge ,Forge Dump Valve And Blanking Plate ,Front Upper Strut Brace |
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Jan 22nd, 2018, 23:02 | #12432 |
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I have removed that and cleaned it out thoroughly, there was a fair amount of crud in there but it's now nice and clean and moves freely so I'm not sure, I think I'll re investigate the in tank filter again as there's bound to be more rubbish in there, although this time I'll remove as much fuel as possible out of the tank first and then clean it out using rag until it's totally clean and dry as well as cleaning the filter, then pour the fuel back in through the 190 micron funnel filter I got a while ago, that should remove everything else hanging around in the fuel, then I know for sure that side of things is perfect.
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02 V40 T4 S, "Sargent silver" she's back!
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Jan 22nd, 2018, 23:09 | #12433 | |
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Hopefully mine should be back on the road tomorrow as it’s in for retest all being well I’ll have to take it for a good old blast to blow out the cobwebs from it’s almost 2 year rest
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2002 V40 T4 17" Arcadia's ,Boost Gauge ,Forge Dump Valve And Blanking Plate ,Front Upper Strut Brace |
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Jan 23rd, 2018, 09:25 | #12434 | |
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Last Online: Nov 25th, 2022 09:49
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I just live with it. Does it effect your boost at all? Its not dropping into limp mode or anything and only boosting at 0.5 bar or such? |
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Jan 23rd, 2018, 12:23 | #12435 |
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Last Online: Oct 13th, 2023 05:46
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Hmm.
I honestly don't know. I *think* I've seen faulty lambda sensors produce this effect, but it was ten years ago, and I wouldn't want to stake my life on it as I can't remember the exact symptoms. Have you checked the EMS light comes on during bulb test? Some sneaky person might have removed the bulb before selling it on. Have you the technology to read engine codes? Presumably not, or you'd have done it already, but it might save you a lot of guesswork. |
Jan 23rd, 2018, 14:56 | #12436 |
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When it starts hunting you could try spraying start gas or carb cleaner around all the vac lines joins, throttle body and IACV gaskets and monitor the idle.
Think I remember something else about the little inline one-way/non return valve failing between the throttle housing and the purge valve on top of the rad. Again, IIRC, there's a little arrow marking the direction of air flow on the valve so check to see the diaphragm is doing its job but be careful removing the hose as the plastic connections/barbs can be brittle.
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Jan 23rd, 2018, 17:32 | #12437 |
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Cheers guys, I've not got Vida dice or anything, but it is on my to do list as it'll be very handy in general, and although I haven't tried it I doubt the generic gendan reader will work with it, my workmate tried it on his 2002 VW golf and it said lean condition bank 2.. on a 4 cylinder haha.
And no it still boosts fine, I'm not sure on bar as my gauge doesn't have bar on but it hits 10 psi at peak, although has always started to drop off very slightly once you reach about 4000 rpm, although I rarely take it much higher than that for any length of time as it pulls so well lower down there's not really any need to, and I'll try the carb cleaner idea to see if anything shows up
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02 V40 T4 S, "Sargent silver" she's back!
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Jan 23rd, 2018, 19:19 | #12438 | |
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You've already ascertained that the fuel tank has dirt in it so I would look here first before throwing parts and money at it. Hope this helps!
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Phase 2 1.9tdi V40 |
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Jan 23rd, 2018, 22:33 | #12439 | |
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Phase 1 MY99 Manual V40 T4 |
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Jan 23rd, 2018, 22:44 | #12440 | |
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2002 V40 T4 17" Arcadia's ,Boost Gauge ,Forge Dump Valve And Blanking Plate ,Front Upper Strut Brace |
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