Question about 1997 Dodge Caravan

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No ck eng. lt, but have error codes on scanner

I had a ck eng light, I used a obd2 scanner, Im getting codes 0140 and 0301, the engines feels smooth, no stalling-well hardly ever, and good power, should I pursue these codes?

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Yes. 1 is a bad O2 sensor and the other a mis-fire.

Best thing to do is a major tune up (replace plugs/wires/fuel filter/PCV valve/etc...) and also replace the Bad O2 sensor.

Running it like this can cause long term damage. Let alone you are losing gas milage as well.

Good luck.

Posted on Apr 16, 2009

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