Question about 1994 Volvo 850

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Volvo 850 t5 emission warning light on (green triangle)

Struggled through mot on emissions,renewed oxygen sensor, air flow sensor checks ok, engine runs really well.light still on

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  • tash237 Apr 16, 2009

    Volvo 850 GLE 1994.

    Triangle Light stays on. What is it?

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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

Posted on May 18, 2009

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    Hello I have a 1999 volvo s80 t6. The emission sevice light and engine light just came on today. The car stutters from that, please someone help!


    easiest way is to put it on a diagnostic computer,but it sounds like your lambda probe (oxygen sensor)or cat may be due for renewal....

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    Emission systems light has come on - book says take to volvo - car driving ok. ITs the light that looks like an engine block with a propellor on it - any ideas or help for a single mum much appreciated


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    2001 toyota corolla check engine light is on. Code reads P420 low threshold. Changed front and rear Oxygen sensors reset the light and drove the car 50 miles and the light came back on. the car will not...


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