This is my mom's DD, it is a 1997 4 Door XLT 4x2 auto with the 4.0 SOHC. Day before yesterday it suddenly started running very badly and will not stay running at idle. At 1000rpm or higher, it runs well, but below that it sputters and dies.
Checked DTCs and found a P0153 O2 sensor code, bank 1...