I am an auto tech for 21 years and cant figure my problem out! Here we go I have a lean condition 02 volts o at idle iac 0 as soon as i come off idle 02 volts seem normal egr gasket was blown thought for shore that was problem no dice! car has 50 pound injectors caspers thumbwheel chip! Tried another chip no dice also when tps and maf are unpluged engine smooths out and 02 volts go to 810 millivolts! Help please! Thanx one fustraded auto tech! P/s I am ready to burn this car
