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Sorry for the double posting, I realized I added this in the wrong forum too late. Thank God for Jeep forums, I'm at a loss. I'm in no way a mechanic, but can handle minor jobs.. my 99 4.0 was idling rough intermittently, and I cleaned the throttle body/ IAC sensor/ and replaced the TPS sensor...

Thank God for Jeep forums, I'm at a loss. I'm in no way a mechanic, but can handle minor jobs.. my 99 4.0 was idling rough intermittently, and I cleaned the throttle body/ IAC sensor/ and replaced the TPS sensor. After that I got the Bank 1 Lean code for the first time. Mine is older (had for...