IS - 1st Gen (2001-2005) Discussion about the IS models up to the 2005 model

Throwing EVAP Codes!

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Old 04-19-11, 02:09 PM
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whiteraven
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Default Throwing EVAP Codes!

P0446
Evaporative Emission Control System Vent Control Circuit Malfunction

and

P0440
Evaporative Emission Control System Malfunction


it looks like the p0440 could be a gas cap but what is the other one? and what have you guys done to resolve these issues?

thanks!
Old 04-19-11, 02:49 PM
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Justin727
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If you do the gas cap first it may also clear up the other code as well!
Old 04-19-11, 02:58 PM
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whiteraven
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thanks ok i'll try that first.
Old 04-19-11, 03:49 PM
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whiteraven
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http://www.obd-codes.com/p0446

http://www.obd-codes.com/p0440
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