Error codes for 03 Altima

General discussion area for the L31-chassis Altima, including the 05-06 SE-R models.
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acuevas123
Posts: 38
Joined: Mon Jul 19, 2010 10:13 pm
Car: 79 Datsun Kingcab

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Hi All,
I have these error codes for my 03 Altima. Any ideas as to where to start for the correct fix is mush appreciated.

A. P0455 - evap emissions control system leak ( large )
B. P0420 - catalyst below threshold bank 1
C. P0300 - random multiple cylinder missfire

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Infinitiguy19
Posts: 7787
Joined: Sat Dec 22, 2007 4:58 pm
Car: 1993 Infiniti Q45 188580 Miles
1994 Infiniti Q45a 240000 Miles

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Seems like you have a vacuum leak and a bad cylinder somewhere on Bank 1.
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