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Car losing power after driving twelve miles straight

Tiny
LIBBY300
  • MEMBER
  • 2001 VAUXHALL CORSA
  • 1.4L
  • AUTOMATIC
  • 71,000 MILES
When I put my foot on acceleration pedal it accelerates very slowly only to 20 mph and that with foot flat to the floor. It seems when the car is fully warmed up that's when the problem starts. Going over speed bumps and stop start traffic can also cause it to lose power. Recently I have been having performance issues. Now today the engine light has come on and car is shaking any ideas?
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Saturday, September 14th, 2019 AT 11:34 AM

4 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 POSTS
Hello,

It sounds like you have a clogged catalytic converter. To be sure lets run down these guides to confirm the issue.

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

and

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

Please run down these guides and report back.

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Monday, September 16th, 2019 AT 11:43 AM
Tiny
LIBBY300
  • MEMBER
  • 21 POSTS
I had the spark plugs changed and new ignition coil. As the car was misfiring.. That was solved. But the car is still sluggish when the engine reaches fully warmed up.
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Tuesday, September 17th, 2019 AT 3:52 AM
Tiny
LIBBY300
  • MEMBER
  • 21 POSTS
Could it be a cooling problem? As only loses power when engine fully warmed.
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Wednesday, September 18th, 2019 AT 3:31 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 POSTS
Lets run the codes to see what comes up.

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

Please run down this guide and report back.
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Friday, September 20th, 2019 AT 9:26 AM

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