Question about 2001 Volvo S40
Check engine light is on. Hesistation on highway underacceleration. Sudden onset.
For p0171 it could be a few things like intake/exhaust leak,air system,map/vaf sensor,fuel presure/pump,injector(s),ho2s(heated oxygen sensor.
Posted on Sep 19, 2008
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Posted on Jan 02, 2017
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