LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Engine Codes...any advice?

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Old 03-29-2009, 05:26 PM
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Default Engine Codes...any advice?

I am popping 4 engine codes right now on my 97 SS Camaro...Kindof have me concerned...

2 of them are the O2 Sensors. I have simulators on the rear 2 and they are fine, but the front 2 are both showing circuit conditions or bad readings. I dont think they are bad since they BOTH read the same thing...

P0300 - Cylinder Misfire Detected - Random Cylinders
I have replaced the plugs, wires, Distributor, and Dist cap and rotor, but still have the exact same problem...I do have an MSD 6AL Ignition Control box on the car...thinking it may be going out....

and last

P0441 - EVAP (evaporative emission system) small leak/no flow condition
The EGR system and AIR system have been removed from the car...fuel cap is tight...I dont know what is causing that. Any input?
Old 03-29-2009, 06:20 PM
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sounds like your o2's are bad. wow this is a common topic. they will read the same when they are bad. they will cause a p0300 the evap code dont mean ****.



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