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Check Engine Light / AEG Codes

Tiny
TYAZZ
  • MEMBER
  • 1999 VOLKSWAGEN JETTA
  • 170 MILES
The cars gotta get inspected. The check engine lights on. I just had the water pump and timing fixed. I just replaced the sparkplugs, wires, and coil myself. The check engine light is on. I ran it for a couple days, still on. I took off the battery terminal, then ran it for two days. Still on. Had it AEG tested at autozone. It shows P0301, P0302, and P0440. I believe they are all misfire related. What should I do?
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Thursday, March 1st, 2012 AT 11:39 AM

2 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Go to this link: https://www.2carpros.com/articles/engine-misfires-or-runs-rough
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Thursday, March 1st, 2012 AT 12:16 PM
Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
P0301 ans P0302 are misfiing of cylinder 1 and 2 respectively.

Check the spark plugs and related components.

P0440 is a fault with the EVAP system and it could be due to a poorly installed or faulty gas cap. Check that first.
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Thursday, March 1st, 2012 AT 12:24 PM

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