Car will not accelerate

1998 MAZDA 626
268,000 MILES • 4 CYL • 2WD • MANUAL
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RYAN LIEBERMAN
  • MEMBER
  • 2 POSTS
Cars not accelerating like normal i replaced ERG valve and TPS sensor. The check engine light is not on since replacing ERG valve.
Apr 18, 2022 at 12:23 PM
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JACOBANDNICKOLAS
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 110,190 POSTS
Ryan,

Did this happen all at once? When you replaced the components, are you sure no vacuum lines or sensors were left disconnected?

Since there are no codes and it has a loss of power, the first thing I suspect is you may have a catalytic converter that is partially plugged. When you drive the vehicle, are there any odd sounds from the exhaust? Do you ever notice a rattling from the exhaust?

Take a look through this link and let me know your thoughts:

https://www.2carpros.com/articles/bad-catalytic-converter-symptoms

Let me know.

Joe
Apr 18, 2022 at 6:21 PM
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