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Lack of power

Tiny
DUANETORRES1958
  • MEMBER
  • 2003 VOLKSWAGEN JETTA
  • 2.0L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 151,999 MILES
Getting freeway, needs a lot of distance if you push as pedal too fast it will jerk, loses power, fast on an incline wont go faster than 68 mph orig jerks got a used PCM. What do I need to do next? Level of experience a lot just not on Volkswagen's.
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Sunday, December 15th, 2019 AT 5:12 AM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,336 POSTS
Hi,

Have you checked fuel pressure? Have you checked for a partially plugged catalytic converter? Have you tried to pull codes to see if any are stored?

Take a look through these links and let me know if they help.

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

https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator

https://www.2carpros.com/articles/bad-catalytic-converter-symptoms

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

What prompted you to get a new PCM?

Joe
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Sunday, December 15th, 2019 AT 6:46 PM

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