cjftech

I install elevator type lifts. I am 52 yrs old & have been repairing all of my vehicles since i was 19 yrs old. Chevy Trackers are really Suzuki Vitara & Grand Vitara's. Either or the info available on them is vert limited. I have a subscription to alldata diy & I have an Auto Boss V30 Elite Diagnostic Tester (that needs it's software ver. updated) _ have many Trackers: 1998 Tracker 1.6L 4X4 4-dr. AT, 01 Tracker Zr2 2.5L 4X4 AT, 01 Tracker LT 2.5L 4X4 4-dr AT, 02 Tracker LT 2.5L 4X4 AT, 03 Tracker 2.0L 4X4 4-dr AT, All have issues See Post: my 03 Tracker Ran Perfect when I first got it, Then started bucking violently - is running pretty good now after changing MAF, MAP, ECT, Throttle Pos, & Knock Sensors & chang Spark Plugs, BUT, CAN NOT get Rid of the DTC's for Both MAF Low & High Input(at same time) along with ECT Low & Knock Sensor High Inputs, & Undefined DTC's All at the same time. WTF is the PCM/ECU Brain Box Bad.?.?.?