Rotofab throwing a CEL - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums

kennyo · 06-03-2011, 06:48 AM

Installed last night and noticed the engine light on the way to work this
morning.Checked the MAF # when it was out last night and it is the strong one,not the weak one.Anybody have this problem before?I can't get to auto zone to check out CEL til after work.Thanx

Also: Car feels good-no hesitation and increased throttle response-seems to be working as advertised....

hrpiii · 06-03-2011, 07:22 AM

go back and check everything is tight, and sensor facing the correct direction.

IndeedSS1 · 06-03-2011, 07:41 AM

Would help to know what the code was. But also check the PCV fresh air pluminf along with the MAF direction and fit as mentioned in post #2. Also that weak/strong MAF thing only seems to cause problems for the OTR (Vararam) intakes.

Good luck and let us know what you find.

kennyo · 06-03-2011, 07:45 AM

Thanx guys,I am leaning towards that maf,also.I don't think anything is loose cause it seems to be running without any bogging down.The only other thing that came to me after I wrote earlier post,is that I didnt see no gasket on maf when I removed it.

The more I think about it,the more I think I left the gasket embedded on the old intake.

2quick · 06-03-2011, 07:47 AM

Sounds like something is not sealed or oil may have got on the sensor.

IndeedSS1 · 06-03-2011, 08:02 AM

Quote:

Originally Posted by kennyo

Thanx guys,I am leaning towards that maf,also.I don't think anything is loose cause it seems to be running without any bogging down.The only other thing that came to me after I wrote earlier post,is that I didnt see no gasket on maf when I removed it.

The more I think about it,the more I think I left the gasket embedded on the old intake.

I with you on this. It is a very small gasket and easy to miss.

kennyo · 06-03-2011, 08:16 AM

Quote:

Originally Posted by kennyo

Installed last night and noticed the engine light on the way to work this
morning.Checked the MAF # when it was out last night and it is the strong one,not the weak one.Anybody have this problem before?I can't get to auto zone to check out CEL til after work.Thanx

Also: Car feels good-no hesitation and increased throttle response-seems to be working as advertised....

Quote:

Originally Posted by IndeedSS1

I with you on this. It is a very small gasket and easy to miss.

Won't know til I get home,but I do wear contacts and don't have the greatest vision,the gasket could have just melded into color of intake.Goes to show-slow down ,take your time,and do the job right! Lol

I am a little surprised that the CAI instructions don't cover the importance of this,the only reason I even had knowledge of this is from these forums

IndeedSS1 · 06-03-2011, 08:22 AM

Quote:

Originally Posted by kennyo

Won't know til I get home,but I do wear contacts and don't have the greatest vision,the gasket could have just melded into color of intake.Goes to show-slow down ,take your time,and do the job right! Lol

Live and learn and try to enjoy the experience. Hopefully it's something simple.

Hired Gun · 06-03-2011, 09:19 AM

I do not think you can put the MAF in the wrong way on the new roto fab. YOu may have damaged it on instal, or could have a loose fitting on the tube.

kennyo · 06-03-2011, 04:57 PM

Interesting...I get in car after work and CEL is gone.I drive it a good 30 miles-does not come back-wtf?
Only thing I could think of is(tell me if this makes sense),the sudden rush of air to the maf made it code until it compensated?

Aries240SS · 06-03-2011, 05:43 PM

more likely to have been a contaminant on the MAF. Oils from your hands can cause the light to come on at start up, and when burnt off it will clear the code on next cycle.

kennyo · 06-03-2011, 06:54 PM

Quote:

Originally Posted by Aries240SS

more likely to have been a contaminant on the MAF. Oils from your hands can cause the light to come on at start up, and when burnt off it will clear the code on next cycle.

I guess that's possible,I did touch it momentarily.

IndeedSS1 · 06-03-2011, 07:44 PM

Quote:

Originally Posted by kennyo

I guess that's possible,I did touch it momentarily.

Highly unlikely you touched the sensors wires because they are recessed and thus somewhat protected.

Very likely you won't see the code then. Others have said they cleared the code and it's never come back. I've only ran the CAI, Halltech, and Vararam and haven't seen the code. But I gave plenty of cold idle and cruise time, before testing the waters.

kennyo · 06-03-2011, 08:27 PM

Quote:

Originally Posted by IndeedSS1

Highly unlikely you touched the sensors wires because they are recessed and thus somewhat protected.

Very likely you won't see the code then. Others have said they cleared the code and it's never come back. I've only ran the CAI, Halltech, and Vararam and haven't seen the code. But I gave plenty of cold idle and cruise time, before testing the waters.

No,I meant I touched the actual metal sensor inside.No cold idle for me ,I ripped into that mofo right away-lol

06-03-2011, 06:48 AM	#1
kennyo Drives: 2017 2SS Hyper Blue Join Date: Apr 2009 Location: North Port,Florida Posts: 517	Rotofab throwing a CEL Installed last night and noticed the engine light on the way to work this morning.Checked the MAF # when it was out last night and it is the strong one,not the weak one.Anybody have this problem before?I can't get to auto zone to check out CEL til after work.Thanx Also: Car feels good-no hesitation and increased throttle response-seems to be working as advertised....

06-03-2011, 07:41 AM	#3
IndeedSS1 Drives: 2010 Camaro SS LS3 Join Date: Sep 2010 Location: Eastern MO Posts: 3,786	Would help to know what the code was. But also check the PCV fresh air pluminf along with the MAF direction and fit as mentioned in post #2. Also that weak/strong MAF thing only seems to cause problems for the OTR (Vararam) intakes. Good luck and let us know what you find. __________________ She is only memory now.

06-03-2011, 09:19 AM	#9
Hired Gun Wild Man Drives: 2010 Camaro Join Date: Sep 2010 Location: Milford, Ky Posts: 516	I do not think you can put the MAF in the wrong way on the new roto fab. YOu may have damaged it on instal, or could have a loose fitting on the tube. __________________ 2010 Camaro Black with White Stripes, Jannetty Racing Roto-Fab CAI, VMAX Ported Throttle Body, Long Tube Headers, GMPP Axel Back, Emblem Pros Custom "VOODOO" Under hood Bow tie, Chrome Gill Inserts, HUD plate, Sparks Performance White SS front and rear Plate MPD-1 Spoiler

Similar Threads
Thread	Thread Starter	Forum	Replies	Last Post
JBA midpipe, throwing CEL...any ideas?	Redline2k5	Camaro V8 LS3 / L99 Engine, Exhaust, and Bolt-Ons	10	03-18-2011 01:05 PM
Cure for the CEL ?!	5thGENv6	Camaro V6 LLT Engine, Exhaust, and Bolt-Ons	27	02-12-2011 08:13 AM
One possible solution to CEL P0430 w/ JBA midpipes	Goliath	Camaro V8 LS3 / L99 Engine, Exhaust, and Bolt-Ons	0	01-10-2011 08:55 PM
Another LT Headers and CEL for Emissions	kauffjd3	Camaro V8 LS3 / L99 Engine, Exhaust, and Bolt-Ons	7	10-29-2010 03:54 PM
Clearing a CEL	jtzako	5th Gen Camaro SS LS LT General Discussions	8	07-09-2010 02:37 PM

06-03-2011, 07:22 AM	#2
hrpiii AKA "Beefcake" Drives: 2023 ZL1 Sharkskin Join Date: Oct 2009 Location: Indy Posts: 8,566	go back and check everything is tight, and sensor facing the correct direction.

06-03-2011, 07:45 AM	#4
kennyo Drives: 2017 2SS Hyper Blue Join Date: Apr 2009 Location: North Port,Florida Posts: 517	Thanx guys,I am leaning towards that maf,also.I don't think anything is loose cause it seems to be running without any bogging down.The only other thing that came to me after I wrote earlier post,is that I didnt see no gasket on maf when I removed it. The more I think about it,the more I think I left the gasket embedded on the old intake.

06-03-2011, 07:47 AM	#5
2quick Drives: none Join Date: Oct 2009 Location: in the front Posts: 1,145	Sounds like something is not sealed or oil may have got on the sensor.

06-03-2011, 04:57 PM	#10
kennyo Drives: 2017 2SS Hyper Blue Join Date: Apr 2009 Location: North Port,Florida Posts: 517	Interesting...I get in car after work and CEL is gone.I drive it a good 30 miles-does not come back-wtf? Only thing I could think of is(tell me if this makes sense),the sudden rush of air to the maf made it code until it compensated?

06-03-2011, 05:43 PM	#11
Aries240SS Drives: 2011 1SS RS Camaro, 1995 LSX 240SX Join Date: Mar 2011 Location: Austin, TX Posts: 462	more likely to have been a contaminant on the MAF. Oils from your hands can cause the light to come on at start up, and when burnt off it will clear the code on next cycle.