Originally Posted by
Fu03steveC63
I tried everything mentioned above and the first night (53 degrees), car ran fine without adjusting too much parameters. Car didn?t limp nor throw CEL. Today, I drove it as it was and CEL keep coming on; displaying cylinder 1 misfiring. Also, I notice when CEL turns on, my commanded AFR becomes 20+. I tried all sort of load table, inject table, and timing but the misfiring keep showing up.
Would you know what may cause that? Why only cylinder 1 and not other cylinders. I also noticed when car was running smoothly last night, my commander AFR was at almost 14 rather than my existing 12.5. I didn?t adjust anything, just running different fuel. Would the fuel make correction to my commander AFR?
Any help would be great.