inspection problem

**torinoman** · 01-17-2007, 06:31 PM

I have a 04 GTO with a CEL light I can't get rid of. It runs fine and I've changed everything I can think of to get rid of the problem. The best quess i have is that the bigger cam is causing the code. Its a 101 (maf) code. Anyone have a suggestion to get it past the Dallas Tx OBDII inspection test? Can a good tuner get rid of the code permanently?

Thanks

Steven

**SSpdDmon** · 01-18-2007, 07:41 AM

Off the top of my head, it sounds like the MAF rationality test failing. Basically, the MAF outputs a value that translates to X amount of airflow. This is checked using a formula in the PCM along with the current MAP signal, the current temps, RPMs, etc. If the airflow value produced by the equation is significantly different than what the MAF claims is coming in, then you'll fail the MAF rationality test...and yes, a good tuner should be able to fix this. How far are you from TSP?

**torinoman** · 01-18-2007, 08:19 AM

TSP? I'm not sure where/what that is?

**SSpdDmon** · 01-18-2007, 08:37 AM

www.texas-speed.com

**torinoman** · 01-18-2007, 09:15 AM

oh... thats in lubbock... thats about 5 hours away. Any good tuners in the Dallas/Ft Worth area?

**greenvilleTA** · 01-18-2007, 09:50 AM

http://www.lgmotorsports.com/catalog/index.php in Wylie, TX.

http://www.real-performance-motorspo...m/services.cfm in Lewisville, TX

I'm sure there are more, but these 2 pop in my head first. I had mine done at RPM and they do a great job and are very nice...they only tune on Fridays I think.

**SSwt00SS** · 01-18-2007, 10:40 AM

Originally Posted by torinoman

oh... thats in lubbock... thats about 5 hours away. Any good tuners in the Dallas/Ft Worth area?

Originally Posted by greenvilleTA

http://www.lgmotorsports.com/catalog/index.php in Wylie, TX.

http://www.real-performance-motorspo...m/services.cfm in Lewisville, TX

I'm sure there are more, but these 2 pop in my head first. I had mine done at RPM and they do a great job and are very nice...they only tune on Fridays I think.

i have been to RPM for an HP Tune and cam install. Good guys there. LG has the Ls1 Edit Tune. Pick your poision...