9 92GNZ28 New Member Joined Jan 22, 2003 Oct 24, 2008 #1 Just got done installing both casper's products: Heated Oxygen Sensor kit & the fuel pump wiring upgrade. Car Idles great now, BUT the check engine light came on soon after with code 44(O2 sensor lean). Any ideas? Seems to be running fine.
Just got done installing both casper's products: Heated Oxygen Sensor kit & the fuel pump wiring upgrade. Car Idles great now, BUT the check engine light came on soon after with code 44(O2 sensor lean). Any ideas? Seems to be running fine.
