Debris, contaminants, or an incorrect angle of contact with the glass can cause wiper blades to squeak, judder, and leave streaks. Here’s how to stop it all.
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BMW F15 X5 – NO CODE suspension Diagnosis – Customer complaint: “car rides rough.” Vehicle is riding low in the back. EHC returns no codes.
When is a vacuum leak not a vacuum leak?
When it’s hiding in the EVAP system of a Porsche Cayenne.
A P0455 code points to an EVAP problem, but the EVAP system checks out OK with our smoke tester. And the purge valve checks out as well. So where could the problem lie?
Our derFix Super Sleuths unravel the mystery.
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