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1998 Ram 1500 sets P0123 when AC comes on
Posted to Technical Discussion Forum on 4/29/2002 3 Replies

The subject vehicle is a 1998 Dodge Ram 1500 4x4 with 5.2 engine and manual transmission. It came in with the MIL on and code P0123 set. We found no fault with the TPS and wiring, and we found that the code will reset as soon as the AC compressor clutch engage... Login to read more.

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