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NoDOHC · 09-08-2010, 10:19 PM

Unfortunately, this looks like your catalytic converter is weak or you are misfiring at idle.

Do you have the entire emission run printout so that we can see if it cleans up after going closed loop?

You are very close, I have seen people get a pass after a fail like that just from taking the car around the block and getting it good and warm.

You can try the 2-3 gallons of e85, it helped mine years ago.

Be careful about too much E85 (don't ask, sore subject).

Hydrocarbons are the rotary nemesis when it comes to emission testing.

09-08-2010, 10:19 PM	#22
NoDOHC The quest for more torque Join Date: Sep 2008 Location: Sheboygan, Wisconsin Posts: 855 Rep Power: 17	Unfortunately, this looks like your catalytic converter is weak or you are misfiring at idle. Do you have the entire emission run printout so that we can see if it cleans up after going closed loop? You are very close, I have seen people get a pass after a fail like that just from taking the car around the block and getting it good and warm. You can try the 2-3 gallons of e85, it helped mine years ago. Be careful about too much E85 (don't ask, sore subject). Hydrocarbons are the rotary nemesis when it comes to emission testing. __________________ 1986 GXL ('87 4-port NA - Haltech E8, LS2 Coils. Defined Autoworks Headers, Dual 2.5" Exhaust (Dual Superflow, dBX mufflers) 1991 Coupe (KYB AGX Shocks, Eibach lowering springs, RB exhaust, Stock and Automatic)