insufficient airflow bank 1 & 2.. help

[dannyn424]

Im getting codes.. insufficient airflow bank 1 and 2...........


Im thinking sai or vacuum leak.............

Any guesses???


BTW what size vacuum hoses fit my car 4mm or 6mm??? maybe ill order silicone and try and replace them and see if it helps.................

[S4 in_lowplaces]

post the codes up.

[S4shpion]

im going to go out on a limb but im guessing these two codes :

P1423
17831
Sec. Air Inj.Sys.,Bank 1
Flow too low 2)
- Check fuse for secondary air injection pump
- Check vacuum hoses
- Check piping from pump to secondary air injection valve (combi valve)
Repair Manual, 2.7 Liter V6 5V BiTurbo Engine Mechanical, Engine Code(s): APB, BEL, Repair Group 26; Secondary air injection system


P1411
17819
Sec. Air Inj.Sys.,Bank 2
Flow too low 2)
- Check fuse for secondary air injection pump.
- Check vacuum hoses
- Check piping from pump to secondary air injection valve (combi valve)
Repair Manual, 2.7 Liter V6 5V BiTurbo Engine Mechanical, Engine Code(s): APB, BEL, Repair Group 26; Secondary air injection system