Transmission late upshift

75,000 MILES • 1.6L • 4 CYL • 2WD • AUTOMATIC
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ICEMAN007
  • MEMBER
  • 1 POST
Late upshift goes in harsh upshift late.
Mar 8, 2019 at 11:42 PM
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STRAILER
  • ✓Experienced Mechanic
  • 55,512 POSTS
Hello,

It sounds like you may have a plugged catalytic converter or a input shaft speed sensor that has gone out. here are two guides so we can see which direction to go in:

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

and

https://www.2carpros.com/articles/how-to-test-a-catalytic-converter

Please run down these guides and report back.
Mar 11, 2019 at 3:55 AM
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