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Losing power going uphill?

Tiny
JESSICA MERTENS
  • MEMBER
  • 2013 ACURA TL
  • 3.5L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 120,000 MILES
My car has been doing this for a while now, every time I am driving and I go up a hill it loses power, and I lose speed unless I hold the gas pedal all the way down pretty much. Now lately it's been kind of cutting out and/or missing, if I'm doing 60 it'll be driving nice and then it seems like for a split second it loses power or something. I've changed the spark plugs and cleaned the mass airflow sensor and the throttle positioning sensor and I'm not sure what it could be. Let me know your thoughts. Thanks.
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Tuesday, October 22nd, 2024 AT 12:35 PM

3 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 POSTS
It sounds like the catalytic converter is getting clogged, do you have a check engine light on? If so, let run the codes to see which ones are stored.

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

This guide can help as well, please go over it to see the possibilities:

https://www.2carpros.com/articles/engine-has-low-power-output

Please go over these guides and get back to us.
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Tuesday, October 22nd, 2024 AT 5:25 PM
Tiny
JESSICA MERTENS
  • MEMBER
  • 66 POSTS
No check engine light on at all.
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Wednesday, October 23rd, 2024 AT 1:25 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 POSTS
Okay, did you go over the guides above? I would check the catalytic converter next. Here is a guide to help:

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

Please go over this guide and get back to us.

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Thursday, October 24th, 2024 AT 9:10 AM

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