» » »

Volvo Q&A

Ask Your Question

2000 Volvo S70 Question: po code 174, 304, and 304

 

Question

dall555, 2.4L 5 Cylinder, Sacramento, CA, June 29, 2013, 14:48
 Rookie

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

1 Answer
Flag This
  • Answer #1

    Bertini's German Motors of Roseville (14 Answers) , Roseville, CA - (916) 288-9535
    Bertinis July 01, 2013, 16:17
     Enthusiast

    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

    Reply
    Flag This