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Impala While undergoing many facelifts in its history, the Impala has proved itself to both civilians and police forces as one of the most capable 4-door cars GM has ever offered. Currently moving towards its 10th generation the Impala is one of the longest lasting and popular models.

2014 Chevrolet Impala
Includes: Bel-air
Platform: B-body & W-body

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  #1  
Old 06-08-2006, 03:25 AM
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Join Date: Jun 2006
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Default Unknown Check Engine light Question.

I have a check engine light thats been on for a few weeks. I took my car to get a diagnostic and the code is the same one you get when your gas cap is not on tight. I make sure the cap is on tight and I even bought new one from the dealer. 3 weeks later... the check engine light is still on and its still giving the same code. It not the gas cap, what else could this be?

Thanks
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  #2  
Old 08-14-2006, 02:25 PM
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Default RE: Unknown Check Engine light Question.

I'm in the same boat with my '03 Impala. I did however get the problem figured out......It's the fuel tank purge solinoid stuck open. My question is, does anyone here know where on the car this solenoid is? The local dealers won't give this information out. Thanks.
[>:]
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  #3  
Old 08-15-2006, 02:42 AM
 
Join Date: Jul 2006
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Default RE: Unknown Check Engine light Question.

It's an EVAP code which means something in the EVAP system is leaking. Could be a solenoid stuck open or soemthing like that like the guy above, loose gas cap, cracked or leaking charcoal canister, etc.

I don't know how to check any of this stuff at home but at dealerships we use a smoke machine that produces smoke and then we check for leaks.
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Old 08-15-2006, 02:18 PM
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Default RE: Unknown Check Engine light Question.

Found the solenoid/valve. It's up on the intake manifold. $22.00 at the GM parts counter, installed part last night and reset the MIL. Now we'll see if it comes back on.
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  #5  
Old 05-17-2007, 09:48 AM
 
Join Date: May 2007
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Default RE: Unknown Check Engine light Question.

I have a 2003 implala, and the service engine light is on.
can this be reset, by the radio?
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  #6  
Old 05-19-2007, 08:29 PM
JHH JHH is offline
 
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Default RE: Unknown Check Engine light Question.

I dont think you can reset the check engine light with the radio. You can reset the oil life monitor. Take it to autozone they should be able to reset it for you. They do that around here any way. JHH
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  #7  
Old 05-19-2007, 08:30 PM
JHH JHH is offline
 
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Default RE: Unknown Check Engine light Question.

Hope it stays out for you. But I would have bet that it was the vent valve that was sticking. JHH
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  #8  
Old 05-27-2015, 02:40 PM
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I have a 2013 impala ltz, doing the same thing. Does this fall under powertrain and is it still under warranty? I will begin researching now, thank you.
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Old 05-27-2015, 04:16 PM
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Default

Quote:
I have a 2013 impala ltz, doing the same thing. Does this fall under powertrain and is it still under warranty? I will begin researching now, thank you.
Should be covered under the Emissions Warranty which I believe is 8/80K
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Old 05-27-2015, 04:45 PM
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Quote:
Originally Posted by nanatwoguns View Post
I have a 2013 impala ltz, doing the same thing. Does this fall under powertrain and is it still under warranty? I will begin researching now, thank you.
Doing what the same? check engine light?
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