Would not accelerate after starting

1999 MITSUBISHI SPACE WAGON
150,000 MILES • 2.4L • 4 CYL • 2WD • MANUAL
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OGBOMON
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The vehicle did not accelerate when the acceleration pedal is pressed. I have changed the acceleration senor, fuel pump and air flow but the problem persisted. What should I do to rectify the problem?
Aug 11, 2018 at 8:59 AM
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STRAILER
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This sounds like a classic catalytic converter being clogged. Here is a guide to help confirm the issue:

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

Please run down this guide and report back.

Cheers, Ken

Aug 13, 2018 at 2:23 PM