why after maney drive cycles with no obd codes or check eng.light on does the PCM still say not readey

Asked by KABEIS May 25, 2013 at 08:12 AM about the 2000 Dodge Caravan FWD

Question type: Maintenance & Repair

1 Answer
20

Rick answered 6 years ago

I've got two Dodge Caravans, and I don't drive them often. Even with a battery "maintenance" charger on it, the battery will go dead enough to make the ECU lose its memory if you don't drive the car for a few weeks. There is NO "drive cycle" that will reset the Cat or the O2 sensors, other than driving the car around for several HUNDRED miles! I've been through this three times now, and it takes forever. This is totally stupid, but it's the world we live in today. Do all cars take this long to reset, or are Caravans just a piece of crap in that respect?

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