Re: 89 Aerostar 3.0 Engine Codes
41 CM = Oxygen Sensor / Code 41 indicates system lean. Look for a vacuum leak or failing O2 sensor. I Replaced the Oxygen Sensor !!!
still getting Codes 89 KOEO & 86 KOEO..
and now getting Code 11 = System ok..
But now can't get Van Started !!!
Help Help Help !!!