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1999 Oldsmobile Silhouette - Page 4 Questions & Answers
Po443 p0443
The valve is mounted on the engine near the middle of the intake on most models. Keep in mind the code is for a problem with the circuit which may or may not involve the actual valve. The valve and control would need to be tested.
Check engine light
Google the codes & stop using any vehiclewith trans codes or problems, until they are resolved
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