po code 174, 304, and 304 on 2000 Volvo S70

ii thinking...maf sensor, or vacuum leak?

by in Sacramento, CA on June 29, 2013
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1 answer
ANSWER by , July 01, 2013
If it is a fault code for a lean condition and misfire I would recommend: Smoke test the intake system for leaks, repair any leaks. If fault returns it could possibly have a faulty Mass Air Flow Meter