the injectors are stock. My car got tuned about 3yrs ago. I tried switching between different maps to idle check with no luck. If the MAF was dirty this whole time, more air would be flowing by that the sensor wouldn't pick up. Wouldn't the O2 sensor have sensed a lean running condition?
I got enginuity to work. I was looking at the A/F ratio graph. Once you let off the gas and let it idle, A/F ratio jumps up(engine stumbles), takes a few seconds to recognize, then falls back down. What is normal idle A/F ratio? the reading was around 16=lean compared to stoichiometric 14.7.
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