Your tool can read any code that relates to>>
emission issues. A bad air pump should store a code that you can retrieve and decode.
There are other components, besides the pump itself, in the secondary air pump system that can generate a code. Search this site for more info.
OTOH, if the light has been on for months, the pump may very well be toast.
Ed in San Jose. BMW CCA member since 1987 (Nr. 62319). Golden Gate Chapter. '97 540i 6 speed. Build Date 3/97. Aspensilber over Aubergine leather.
Re: Your tool can read any code that relates to>>
Thanks Ed; no, the light has only been on for a couple of days and it went out on its own today. Same symptons as last time, so I'm wondering if its the same problem (shouldn't be with a new CVV and air pump just put in earlier this year). I'll check the code and report back when she brings the car home at Thanksgiving.
2001 530i 5sp
Had a Secondary Air error (m)
Re: Had a Secondary Air error (m)
oops. on our 99 528 CPO soon after purchase. Turned out to be the little short piece of vacuum line that runs between the Secondary Air Valve (right front corner of the head) and the hard plastic line that runs down the left side of the cam cover.
It was the short piect of #4 that runs between #1 and #3.
Yes, the code will be in memory but only readable(
by a BMW type computer, MoDic, GT1, etc. It will also give the date the light came on.
I'm pretty sure that even if the problem was fixed and the code cleared with a small hand held reader the code will still be in the DME memory.