Quote:
Originally Posted by Boxstard
I fixed my SAI last winter, not knowning cheaper MB parts... That changeover valve should work, only the difference is the 90-deg orientation of small nipple but you will be fine with enough length silicone hose.
Did you check if the vacuum reservoir is holding vacuum and the solenoid switch is functioning to apply vacuum to the changeover valve?
This winter I noticed that my SAI motor was running erratically and got CEL... but it was just a fuse on its last leg... New fuse was all it took.
Good luck!
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I had a bad vacuum reservoir they are only 20.00 or so. easy to test with a hand vacuum pump. They make these in 2 pieces and glue it together. It should be roto molded. You can buy metal ones from Summit Racing.
The solenoid valves are the same in many German cars.
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