: CEL on getting codes of running too lean.



Jneedom14
07-12-13, 02:15 PM
It doesn't feel like nothing is wrong with it. I just want to know how bad it is for my car and how can I fix it.

Guy.Seminerio
07-12-13, 03:13 PM
it's probably not detrimental to the health of your car. I'm guessing your post means it doesn't feel like anything is wrong. I'm a perfectionist so I'd get it fixed. I don't know of any long term issues you can run into leaving this alone. There is always the band aid approach of putting higher octane gas in the car.

curtc
07-12-13, 03:41 PM
If you have the Northstar check your intake manifold bolts...They are known to loosen.

Ludacrisvp
07-12-13, 03:56 PM
If you have the Northstar check your intake manifold bolts...They are known to loosen.
just don't over tighten them ... they are hardly past finger tight ... 89 INCH LBS is spec.

dkozloski
07-12-13, 04:56 PM
Check the intake manifold bolts.

Jneedom14
07-12-13, 07:03 PM
Now after driving it today at idle it starts to get rough but anytime above idle its perfect. What could this be? I just got it out the shop for HG and a valve job so im not trying to do any damage cause this car has to last me another year. And I an still running lean on both banks what could cause it to run lean.

curtc
07-12-13, 09:20 PM
And I an still running lean on both banks what could cause it to run lean.

Have you inspected the intake manifod bolts yet as recommended by more than one of us???? That WILL cause both banks to run lean....

dkozloski
07-12-13, 10:29 PM
What year is this pig?

1BadCadSTS
07-13-13, 07:25 AM
Hi I have a problem and I want you to help but ill be completely general and vague in providing you any information to help...

Fixed

Year make model engine size would go a long way towards helping us help you. Also a stop by an auto parts store and getting the codes scanned and then giving a us those codes would be nice...

Help me help you. HELP ME HELP YOU!

Jneedom14
07-13-13, 11:41 AM
It's a 2006 Cadillac STS V8 4.6l I don't remember the codes they were just bank 1 too lean and bank 2 too lean. Please help I apologize for not giving ample information.

curtc
07-13-13, 04:41 PM
Again, there's a good chance those lean codes are being set by loose intake manifold bolts...Have them inspected or check them out yourself...

dkozloski
07-13-13, 08:17 PM
Check the intake manifold bolts. Try it. You'll like it.

1BadCadSTS
07-13-13, 08:37 PM
X100000


Intake manifold bolts or the tb plenum gasket.