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Re: volvo 850 t5 emission warning light on (green...
It is probally due to an evap -code and never refuel with engine running go to a parts store and get the code and erase code and go to have car inspected right away and put a bottle of emission reducer in tank WITH 1/8 OF FUEL and then put it on machine and you should be ok
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It is the check engine light. The car will have to be brought to any mechanic who can put a code reader on it and pinpoint exact problem. The light came on probably due to faulty sensor. Mabey Oxygen sensor if it is the emission system
that indicator is for the lambda sensor, that reverse check mark thing is the greek letter lambda. lambda sensor is another name for the oxygen sensor. it is part of how the engine computer manages emissions and it also contributes to fuel economy. if it becomes defective and is not replaced the system may eventually foul your catalytic converter. hope that helps
daves944 is dead right . you could try thrashing the ars of it just befor it go in again most mot places will do it for you if you ask them ,, but be warned if it go bang witch it should not its not ther fault,,,, it has worked for me more then once
Mass Air Flow sensor! Just remove your air filter cover. Go to Auto Zone and purchase some solvent. Spray past the air filter and it should correct the problem. If not, replace the Mass air-flow sensor. This is commonly mistaken for an oxygen sensor. Mine did this and I followed these steps and it fixed the light. BTW, the light stayed on for 5 years before I fixed it. Never hurt anything. It's normally something to do with emissions. Dummy lights. :)