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XC90 '02–'15 General Forum for the P2-platform XC90 model |
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Code 6805Views : 1948 Replies : 1Users Viewing This Thread : |
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Dec 3rd, 2013, 09:52 | #1 |
Junior Member
Last Online: Dec 8th, 2018 18:50
Join Date: Oct 2013
Location: Chorley
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Code 6805
Morning.
Engine service required warning came up on dash this morning. Took it to local garage and they hooked it up to a general diagnostics reader and the following code came up 6805 boost pressure control Faulty flow - intermittent I had a new turbo and intercooler fitted about 20K ago and has run well since. Is this an urgent must see to? I'm driving to Germany over Christmas - about 1800 miles round trip!! Mark. |
Dec 3rd, 2013, 16:42 | #2 |
Master Member
Last Online: Feb 5th, 2021 19:07
Join Date: Dec 2002
Location: swindon
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try searching google i found this :
From VADIS : P0234 = ECM-6805 Turbocharger (TC) control valve. Pressure too high. Permanent/Intermittent fault, B5244T3 Diagnostic trouble code (DTC) information Condition If engine speed (RPM) is above 3500 rpm and the engine is operating at a high load, and if the boost pressure (from the boost pressure sensor) is higher than a designated value, which at maximum boost pressure is approximately 20 kPa (2.90 psi) above normal boost pressure, this is interpreted as a fault and diagnostic trouble code (DTC) ECM-6805 is stored. Substitute value reduced boost pressure Possible source * hoses between turbocharger (TC) and turbocharger (TC) control valve respectively turbocharger (TC) control valve and pressure servo are loose or are blocked/damaged * faulty turbocharger (TC) control valve * faulty boost pressure control (BPC) valve pressure servo * sticking boost pressure control (BPC) valve Fault symptom[s] none Not sure if that helps or not.
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Speed has never killed anyone, suddenly becoming stationary… That’s what gets you. A turbo: Exhaust gasses go into the turbocharger and spin it, witchcraft happens and you go faster |
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