Lack of power

2003 VOLKSWAGEN JETTA
151,999 MILES • 2.0L • 4 CYL • 2WD • AUTOMATIC
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DUANETORRES1958
  • MEMBER
  • 1 POST
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.
Dec 14, 2019 at 9:12 PM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,248 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
Dec 15, 2019 at 10:46 AM
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