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D5254T boost too highViews : 498 Replies : 2Users Viewing This Thread : |
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Feb 20th, 2021, 17:31
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#1 |
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Member
Last Online: Apr 15th, 2024 11:22
Join Date: May 2015
Location: kinross
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D5254T boost too high
I've a 1999 v70 2.5d 15.8ecu. I have a persistent fault of high boost under full load in high gears . Vida showing boost of 1.5bar and limp mode when sometimes going over that.
I've so far changed the tcv,map and maf along with the associated pipes. Also recently cleaned the nipple going to the map sensor.. Any help to what to try next to sort the high boost issue. Showing ecm-0009 when I swap tcv with a different one.
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1997 v70 SE tdi 1998 V70 T5 CD 1999 V70R tdi 1989 240glt 1994 940 d24 |
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Feb 28th, 2021, 10:20
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#2 |
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Premier Member
Last Online: Yesterday 19:02
Join Date: Aug 2013
Location: Emsworth,hants
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Hi have you tested the turbo wastegate actuator,
Dave |
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Feb 28th, 2021, 13:51
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#3 |
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Member
Last Online: Apr 15th, 2024 11:22
Join Date: May 2015
Location: kinross
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I've a new tcv fitted and made sure the wastegate isn't jammed.
Tcv can be seen working and gets to almost 100% duty at full throttle
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1997 v70 SE tdi 1998 V70 T5 CD 1999 V70R tdi 1989 240glt 1994 940 d24 |
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