Close
Car Questions
RepairPal is your advocate for car care advice and guidance

Po code 174, 304, and 304

(2000 Volvo S70)
in Sacramento, CA on June 29, 2013
ii thinking...maf sensor, or vacuum leak?
Displaying 1 answers & 0 comments
Popular Answer
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
RepairPal estimates are guaranteed at over 2,000 quality certified locations nationwide. Learn more

Similar Questions

View answers to similar questions from RepairPal's community of auto experts and enthusiasts.
this is the first time this has happen it is as if the car is not getting and fire to make it start all the lights co...
engine could be turn on, but car cannot go forward or backward the shift is ok What seems to make the problem bette...
Didn't find what you were looking for?