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2004 cts, silver with sport package, 3.6, 08 SRX
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I have a 2004 CTS 3.6 with a check engine lite on. I looked the code up and it says there is a fuel lean problem on both banks. I can turn the light off and it will stay off for about 50 miles and then come back on. Anyone run across this problem?
 

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2003 CTS Luxury/Sport package
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722 Posts
coreybug said:
I have a 2004 CTS 3.6 with a check engine lite on. I looked the code up and it says there is a fuel lean problem on both banks. I can turn the light off and it will stay off for about 50 miles and then come back on. Anyone run across this problem?
Have you changed the air filter lately?
 

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Good morning - Have a similar problem with my 2005 3.6.

There's a discussion that may be relevant, thread title is :

2005 CTS Codes P2177 P2179/ Fuel pressure regulator Smoke test
 
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