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ruck3051
Cruiser Newbie
PT Cruiser Club Member
Posted: Feb 13, 2008, 11:38 AM
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Check engine light
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 hello everyone! I am a new member. Recently purchased a 2003 Limited. LOVE IT! I am looking for some help with my check engine light code. It came up P0440. Can someone tell me what that means? This site has been very helpful. Can't wait to go to my first cruise in.
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Posts: 1 | From: Muncie, IN
| Registered: Feb 11, 2008, 10:38 AM
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Dream 4
Cruiser Expert
Posted: Feb 13, 2008, 1:26 PM
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Re: [ruck3051] Check engine light
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Quote:
hello everyone! I am a new member. Recently purchased a 2003 Limited. LOVE IT! I am looking for some help with my check engine light code. It came up P0440. Can someone tell me what that means? This site has been very helpful. Can't wait to go to my first cruise in.
Welcome to the forum ,
Make sure your gas cap is tight and sealed, but here is the clip from the shop manual:
P0440-GENERAL EVAP SYSTEM FAILURE
When Monitored: Engine Running. Fuel Level greater than 12%. Ambient Temperature
between 4°C and 32°C (39°F and 89°F)
Set Condition: The PCM does not see the NVLD switch close during the medium/large
leak test. The PCM will then increase the vacuum supply to the EVAP system by
increasing flow through the EVAP Purge valve. If the switch does not close with an
increase in vacuum, an error is detected. Two Trip Fault.
POSSIBLE CAUSES
GOOD TRIP EQUAL TO ZERO
VISUAL AND PHYSICAL INSPECTION
EVAP PURGE SOLENOID VACUUM SUPPLY INSPECTION
EVAP PURGE SOLENOID STUCK CLOSED
NVLD SWITCH OPERATION
(Z1) GROUND CIRCUIT OPEN
NVLD ASSEMBLY
(K107) NVLD SWITCH SIGNAL CIRCUIT OPEN
EVAPORATIVE EMISSION LEAK DETECTION
PCM
PCM
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