Installing headers problems - Page 2 - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums

greenmachinedriver · 04-11-2012, 10:39 PM

The ecm will run in open loop without front o2 readings, it will just run a preset fuel table based on rpm and maf readings, but there can be no corections made. Its not unsafe but not ideal either. And you will get crappy mileage because the safe fuel tables are usually on the rich side.

ewoolsey · 04-11-2012, 10:58 PM

Again thanks guys. I fixed the rattle from my exhaust and it was definately cuz it was too close to the cross brace. You guys have answered all my questions and I really appreciate it. Does anyone have more info on that strange loud noise I'm hearing when I back off the throttle? Does anyone else with headers kinda hear the same thing? If not I'll wait till my o2's are in and check for leaks once again.

04-11-2012, 10:39 PM	#15
greenmachinedriver Drives: white 2010 ss and 2011 6.2 silvy Join Date: Jan 2011 Location: dfw Posts: 316	The ecm will run in open loop without front o2 readings, it will just run a preset fuel table based on rpm and maf readings, but there can be no corections made. Its not unsafe but not ideal either. And you will get crappy mileage because the safe fuel tables are usually on the rich side. __________________ 2010 RS2SS, XS POWER HEADERS AND FULL EXHAUST, ROTOFAB COLD AIR AND ENGINE COVERS, MSD PLUG WIRES. PFADT DROP SPRINGS, SPORT SWAY BARS, TRAILING ARMS, TOE LINKS. HURST SHIFTER, BILLET PEDALS. BLACKOUT TAIL PANEL, TINTED TAIL LIGHTS, MAIL SLOT BLACKOUT, WHITE BOWTIES

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04-11-2012, 10:58 PM	#16
ewoolsey Drives: Victory Red 2011 Camaro SS/RS Join Date: Jan 2011 Location: Sherwood Park Posts: 55	Again thanks guys. I fixed the rattle from my exhaust and it was definately cuz it was too close to the cross brace. You guys have answered all my questions and I really appreciate it. Does anyone have more info on that strange loud noise I'm hearing when I back off the throttle? Does anyone else with headers kinda hear the same thing? If not I'll wait till my o2's are in and check for leaks once again.