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Diesel Engines A forum dedicated to diesel engines fitted to Volvo cars. See the first post in this forum for a list of the diesel engines. |
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New Turbo Fitted now permanent limp modeViews : 8204 Replies : 104Users Viewing This Thread : |
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Mar 7th, 2016, 15:41 | #21 |
WebbyD5
Last Online: Dec 11th, 2016 21:44
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Location: wigan
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It's gone from ok to bad again, I nipped out at lunch took my time no booting it picked up lunch back to work sat eating my luck next minute rough running and "drive slowly service urgent" message appears. I have really had it wth this car now can someone please help!!!
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Mar 7th, 2016, 19:34 | #22 |
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have you checked to see if the in-tank fuel pump is working?
you should be able to hear it (faintly so listen in a very quiet environment) for about 20 secs priming when you turn the ignition on. It's under the rear seats. Mine went and I got that code - if it is the in-tank pump your car will go into limp mode more often when the fuel gets lower and also when going up a hill. |
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Mar 7th, 2016, 20:42 | #23 |
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Had a read of your post... I think you need to revisit that second hand turbo... These engines are notorious for the VNT turbo coking up, it's really common, and a secondhand turbo off a breaker is just going to be more of the same. Do yourself a favour, take the turbo off and send it to a decent reconditioner like turbo technics in Northampton...they offer a check and clean service and can diagnose and repair a dodgy turbo. It's not that dear, usually the same price as a good used one!
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Mar 7th, 2016, 21:10 | #24 | |
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Quote:
Also the rubber seal of the silencer in the boostpipe and the rubber seal of the pipe with the turbo can swell and tear (had this myself). Take some clamps and a bicycle pump and some hard cans to block off the boos section in parts to pinpoint the leakage. And be glad the engine goes in limpmode if it didnt the turbo will be blown up due to overspeeding if air gushes out |
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Mar 7th, 2016, 21:36 | #25 |
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Get the codes read properly and go from there. All this guessing just wastes time.
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Mar 8th, 2016, 22:53 | #26 |
WebbyD5
Last Online: Dec 11th, 2016 21:44
Join Date: Mar 2016
Location: wigan
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Hi guys, I managed to get the old girl limping again. The code reader mentioned on earlier post is due tomorrow. Will try and post live data up and see what you think... cheers 👍
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Mar 11th, 2016, 19:40 | #27 |
WebbyD5
Last Online: Dec 11th, 2016 21:44
Join Date: Mar 2016
Location: wigan
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Hello guys,
OBD2 reader came today, live data from torque app shows the following whilst engine is idling: MAP 100kpa MAF 13.4 g/s The code reader had the same engine boost pressure controller faulty which was the same as before. It turned out the drive slowly message had come on due to an injector plug hanging out.... Any help would be much appreciated, Dave Last edited by webbyd5; Mar 11th, 2016 at 19:43. |
Mar 11th, 2016, 19:44 | #28 |
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You need to look at desired vs actual values whilst driving really.
What fault codes is it giving now?
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Mar 11th, 2016, 20:12 | #29 |
WebbyD5
Last Online: Dec 11th, 2016 21:44
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Em6805 again there were a few others on there due to the injector unplug issue, but that's all I can get to come up now. On the torque app it says turbo/waste gate solenoid fault.
On a side note both yesterday and this morning, the car drove spot on in my 15 mile journey to work and even when I went to 3-4000 revs the car didn't throw a fault up and the turbo was working and boosting 100%. After work I came our started it up into instant limp mode? |
Mar 11th, 2016, 20:15 | #30 |
WebbyD5
Last Online: Dec 11th, 2016 21:44
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Location: wigan
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Also pardon my ignorance as this is all education for me Martin, desired vs actual? Is that what it supposed to be to what it is running at?
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