1 have a 97 f150. When coming to a quick stop it idle erratically almost dying. Also does it when going slow and coming to stop. I have changed Throttle position sensor and Idle air control valve. Still does it. Also the rpm gauge acts crazy sometimes- I believe thats just a bad gauge. Was looking at fuel trim doesnt seem quite right. At 57 mph rpm 1756 stftM!-(-3.4) LTFTM1 (+30.4) STFTRM2- (-2.2) LTFTRM2- (+31.2) 02 SENSOR S11 (.715) 02 S12 (.125) 02 SENSOR S21 (.52) 02 S22 (.55)
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