2003 volvo s40 t4
#1
#2
how many miles on car? could be a coil pack is on its way out or has a cracked connector, could be a vacuum leak or dirty intake (MAF, idle air valve). Did you scan for any OBD2 codes (misfires should show up as 030x), could be fuel pressure (sensor etc). How do the car drive? normal boost/power?
#3
how many miles on car? could be a coil pack is on its way out or has a cracked connector, could be a vacuum leak or dirty intake (MAF, idle air valve). Did you scan for any OBD2 codes (misfires should show up as 030x), could be fuel pressure (sensor etc). How do the car drive? normal boost/power?
Thread
Thread Starter
Forum
Replies
Last Post