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1993 Mitsubishi Loss of RPMs above 2000 RPMs?

Tiny
RECONDOC
  • MEMBER
  • 1993 MITSUBISHI
  • 4 CYL
  • 2WD
  • MANUAL
  • 175,000 MILES
I have a 1993 eclipse that when the engine check light comes on after the car warms up I will loos power above 2000 rpms.

When I back off of the accelerator and the rpms drop down under 2000 rpms the engine runs fine.

No problems starting and it runs fine until the engine check light comes on.

Thank you very much for your time

Donation # 125-939

C. M. Smith
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Monday, December 3rd, 2007 AT 8:35 AM

2 Replies

Tiny
2CARPRO JACK
  • MECHANIC
  • 11,533 POSTS
Need to have it scanned for the code/codes in the ECM. The computer has a problem, that is the reason for the light, which should point us in the right direction
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Monday, December 3rd, 2007 AT 11:07 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,513 POSTS
To me it sounds like you have a clogged catalytic converter but to be sure here is the guide to help confirm the problem.

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

this guide can help as well

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

Here is the location of the cat so you can check it out. Check out the images (below). Please let us know what happens.
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Friday, June 28th, 2024 AT 11:10 AM

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