engine power low

2002 MITSUBISHI LANCER
50,000 MILES • 2WD • MANUAL
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BLICHUNGU
  • MEMBER
  • 1 POST
my engine is ck 4, it has lost its power and seems to jerk when driving, it is not picking fast as it normally did. i have changed the plugs and also the lead wires but it only improved a bit. what can the problem be?
Aug 29, 2017 at 9:39 PM
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STRAILER
  • ✓Experienced Mechanic
  • 55,542 POSTS
This sound like you may have a plugged exhaust system which restricts the flow causing the low power as you described. Here are a few guides that will help us get the problem fixed:

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

and

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

and we should rear the codes to see if there are any.

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

Please let us know what happens.

Cheers, Ken

Aug 30, 2017 at 10:37 AM
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