It's 1989 s5 vert. and it's only of start up when the engine is cold that it does that. and I have a digital multimeter. I don't know how to check timing.
Now if could maybe be a safc-ii or maybe even error code 31. which is the relief solenoid.. And I don't know what it does but I know it runs for the first 120 secs or so.. but it stops doing it before then.. I think it may have to deal with the accelerated warm up system. If it wasn't for college i'd take it to kevin to look at it.
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