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Please help me.. CHeck engine light is on

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Old 04-11-2005, 11:43 AM
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Default Please help me.. CHeck engine light is on

I was drivin today and all of a sudden my check enging light comes on..I got the code from autozone and it said

p1456
Evap" emission control sys leake detected
(gross leak/no flow)
p1456
fuel tank temperature sensor circuit malfunction.
what should i do.
Old 04-11-2005, 11:50 AM
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Default Re: Please help me.. CHeck engine light is on (blackhope121)

Is your gas cap tight?
Old 04-11-2005, 11:51 AM
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well im not sure if your beign sarcastic or not but i actually have been having problems with my gas cap. it doesnt really srew on correctly
Old 04-11-2005, 11:53 AM
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Default Re: (blackhope121)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by blackhope121 &raquo;</TD></TR><TR><TD CLASS="quote">well im not sure if your beign sarcastic or not but i actually have been having problems with my gas cap. it doesnt really srew on correctly</TD></TR></TABLE>

And the problem is found. Try getting a new gas cap and that should remove the CEL.
Old 04-11-2005, 11:54 AM
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Default Re: (blackhope121)

Code P1456 means that your vehicle is failing to contain/hold the gas vapors in the gas tank.

If your gas cap doesn't screw on tight, more than likely thats the cause of the cel.
Old 04-11-2005, 12:08 PM
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i just tried using a friends gas cap and drove around the block with it... CEL is still on. This sucks
Old 04-11-2005, 12:14 PM
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Default Re: (blackhope121)

did you reset the ecu yet? If not, disconnect the power wire from battery, turn headlights on until they die, reconnect battery. Then try and see if the cel comes back.
Old 04-11-2005, 12:20 PM
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Default Re: (blackhope121)

Did you reset the ecu and do a drive cycle?
Old 04-11-2005, 12:26 PM
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Default Re: (IHateJDM)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by IHateJDM &raquo;</TD></TR><TR><TD CLASS="quote">did you reset the ecu yet? If not, disconnect the power wire from battery, turn headlights on until they die, reconnect battery. Then try and see if the cel comes back.</TD></TR></TABLE>

Don't unplug the battery, then you reset clock radio etc. Just pull the ECU fuse under the hood for about 30 seconds. Then start your car and let it idle for about 10 minutes.
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