Question about 1995 Dodge Intrepid
My check engine light gives me 3 codes. 12, 21 & 52. what do these codes mean? It's a 1995 Dodge Ram 2500. codes 12 & 21
I don't have a dodge ram but the codes for the dodge vehicles where pretty much the same. For my intrepid the codes read for the following numbers
12 - Problem with battery connection (This usually happens if you disconnect the battery)
21 - Problem with the oxygen sensor circuit
52 - Oxygen Sensor signal input indicates rich mixture during engine operation.
It sounds like you may need to change an oxygen sensor. Hope this helps.
Posted on Oct 13, 2008
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Posted on Jan 02, 2017
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