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850 / S70 & V70 '96-'99 / C70 '97-'05 General Forum for the 850 and P80-platform 70-series models |
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TDi fuel pump comms failure?Views : 1418 Replies : 12Users Viewing This Thread : |
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May 5th, 2024, 14:01 | #11 |
Premier Member
Last Online: Jul 27th, 2024 20:20
Join Date: Dec 2002
Location: Co. Limerick, Ireland
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Perhaps try make contact with Rudi Dudi ...I believe he makes a wonderful lemon drizzle 😂
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Liam... '96 854 TDI SE, '99 V70 2.5D S, '05 C70 2.0T Collection, '05 S80 2.0T SE, '15 V70 D4 SE Lux Nav. |
May 5th, 2024, 16:06 | #12 | |
Master Member
Last Online: Yesterday 21:42
Join Date: Jun 2011
Location: London
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Quote:
Today, I tried another car with 600k km on the clock (200k more than on mine) and it was way faster than mine. So I checked the injection quantity on both cars. The faster one says 2.7-3.0mg/stroke, mine is steady 4mg/stroke at idle and changes when I push te acc pedal. After that I went for a spin with Vida connected to my car and the desired boost pressure is always 0.3-0.6bar above the actual pressure. The bigger difference is in the lower rev range, the smaller difference is in the higher rev range and the actual never reaches the desired value. So took the metal pipe off the wastegate which comes from the compressor housing guessing it should have full boost and should go into limp mode if it reaches too high boost pressure. Well, none of that happened, the car felt the same slow. Does that mean the wastegate is stuck open? |
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May 5th, 2024, 22:17 | #13 |
Junior Member
Last Online: Jun 16th, 2024 09:06
Join Date: Aug 2016
Location: Plymouth
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Will definitely do - if only for the chance of drizzle on our way back! Thanks.
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1998 V70 SE 2.5 TDi (Manual) |
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