P0442 & P0456 - how to test this evap system?

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Posted to Technical Discussion Forum on 12/3/2018 13 Replies

Hello all,

We have this 04 Corolla in with a check engine light. Codes stored were P0442 (small evap leak) and P0456 (very small evap leak).

No obvious leaks were found with a smoke machine (I put smoke in the purge line and capped off the air vent at the ... Login to read more.

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Vehicle Data

2004 Toyota Corolla CE 1.8L

Engine	1.8 L
Trans	4-speed Automatic (Electronic)

Vehicle Data

2004 Toyota Corolla CE 1.8L

Engine	1.8 L
Trans	4-speed Automatic (Electronic)

13 Replies Received (View Replies)

13 Replies Received (Hide Replies)

Vehicle Data

2004 Toyota Corolla CE 1.8L

Vehicle Data

2004 Toyota Corolla CE 1.8L