Question about Volvo S80
Have the fault codes read
guessing at the problem is costly and a waste of time
Posted on Apr 30, 2017
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Posted on Jan 02, 2017
From Lusty Kid:
I know the economy is bad, but change all of the plugs. Check your PCV Valve hose, 150 rottens them out allowing air to be sucked in, thus all kinds of codes.
Depending on mileage. Dismount the EGR valve and clean passages. If you are really good dismount the throtle position sensor body and clean out passages with Choke Cleaner., dismount where the EGR valves connects to the engine, clean out passages. Also check the hose thats behind this mounting to ensure is not clogged. If clogged clean it out. If not replace it. Is about 1.5 ft. long, connects to the PCV Valve Hose.
When is the last time you change your harness. Can't remember??? Replace it. Good Luck
Posted on Dec 26, 2008
well you have to change it and your car is not very envirmently friendly with the lambda sensor you will use extra fuel, it will run shity........ get an mouth spaner and loosen it and unplug it and twist it out..
Posted on Jul 08, 2009
problem one is the timer control for the heaters ,also check the heaters that they are working ,oil problem ? look under the rubber boot that goes over the oil switch ,pull it back and if oil under the cover renew the oil switch,these motors do suffer from heater light flashing on and i know people have spent megabucks trying to cure it ,its a fault with dash and printed circuits ,but the heaters are not coming on i know because i have driven one with the heater circuit light coming on and i had a extended light on a long wire and the heaters are not coming on ,ignore it just renew the faulty glow plugs,as for EGR valve just pull teh vacumn pipe off the ERG valve and leave disconnect ,more hassle than its worth changing it ,you could end up with a ECU computer .Still a nice reliable motor though and economical
Posted on Jan 21, 2010
Testimonial: "Thanks for your usefull answer. Afer I stop the engine 2 times from EGR valve, both board alarms have been reseted. What does it mean? Thanks again."
2002-2007 All Volvo Models
(For all vehicles 2003- a general yellow lamp will light when the reset button must be released.)
Posted on Aug 22, 2010
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