On the Highway 65 at 2,000 RPM's hard shift after 3,000 RPM's sometimes it hard to get out into overdrive.
Dec 24, 2018 at 11:50 AM
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STRAILER
AUTOMOTIVE REPAIR CONTRIBUTOR
54,189 POSTS
Hello,
This sounds like a partially clogged catalytic converter. But to be sure here is a guide to help you test it: