Uh, the title of the subject states it all, what should I do? I changed the cat out, it didnt help and right now im in the process of changing the EGR valve out, will that help me at all, or is it something else?

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Blue 87 IROC-Z Camaro,305 TPI
3" Flowmaster

 

How bad are you failing?

Also what all have you changed on the car?
timing and/or therostat?

Are you driving the car around for a little while before you take it there to get the cat nice and warm?

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http://bitchincamaro.no-ip.com 91 RS Camaro 5-speed black w/t-tops 305 TPI
MODS: SLP cold air intake w/K&N, air foil,Accel 19 LB injectors, March aluminum under drive pullies, Alburn pro posi, Aluminum drive shaft, Random Technology 3'' cat-back, 8.5mm MSD wires, 160 thermo, jet fan swich, Custom chip with 91 vette computer, SSBC slotted rotors, optima battery in the rear, BMR adjustable lower control arms and panhard rod, Kenny Brown strut tower brace, TB bypass, no egr, no air

[This message has been edited by 91RS5speed (edited September 01, 2002).]

 

The only thing I have done is replaced the cat, and cleaned out my injectors/gas tank/throttle body. I think i was 800 over at high speeds, but I passed it at low speeds.If 800 seems a little extreme, i'll go find my papers and check it.