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35d Pressure Converters w/ 73k - Replace? 35d Pressure Converters w/ 73k - Replace?
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Old 09-18-2017, 11:23 AM
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Join Date: Dec 2016
Location: Chicago
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Stockx5 is on a distinguished road
I am replacing both pressure converters at 110,000 miles
neither holds vacuum when applied with a hand vacuum pump.

Getting the following code:

00428B Boost-pressure control, low-pressure stage, control deviation.

Seems to only be triggered after pressing the brakes then going into full acceleration.
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