Question about 2009 Volvo V70
Engine management light
Posted by Anonymous on
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Posted on Jan 02, 2017
THE 445 IS THE EVAP PURGE VALVE IT MAY BE BAD BOTH 446 IS SAME VAVLE YOU NEED TO SEE IF THE HOSE ARE GOOD ON THIS VAVLE MAKE SHERE NO CRACKS IF NOT PULL HOSES AND SEE IF SOMTHING IN VAVLE ITS NEAR THE CANSTER AND THAT IS NEAR THE GAS TANK UNDER CAR PUT CHECK GAS CAP MAKE SHERE ITS TIGHT HOPE THIS HELPS
Posted on Sep 15, 2009
SOURCE: volvo s80 dashboard fault
This is a known problem although Volvo will not admit it. The dash needs to come out (10 min job) and sent away for a simple repair. Total cost is about £150 but you will need to get the SRS warning that will be showing in the LED message display cancelled by a Volvo dealer after the dash has come back. Don't try a scrapyard dashboard the ECUs have IP addresses. I used a company in Kent to do the repair. Get onto Google there may be a repairer more local.
Posted on May 09, 2010
Sound like a problem with the MAF sensor, try replace.
Pulled codes for ECM-250A long term fuel trim upper limit, inspected and found air mass sensor failing internally, should show 4 f/s at idle and is showing 2.98 f/s at idle. Recommend replacing with new.
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Posted on Jul 09, 2012
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When the service engine soon light (Also called the check engine light or engine management light) is turned on this is to alert you to the fact that Powertrain Control Module (computer) has detected a failure somewhere in the systems it controls you may not feel any difference in the way the engine runs, this can be the transmission or the engine or emission system, there are fault codes set in the modules memory for these faults. What needs to happen now is to have the powertrain control module scanned with a special tool called an OBD2 electronic engine control scanner or a OBD2 code reader. Once the code(s) are read then you must perform the diagnostics for each code and make the appropriate repairs based on the findings of the diagnosis that was performed, this is called doing "Pinpoint" testing.
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