1998 Ford Ranger Q&A

1998 Ford Ranger Question: Pcm is not saving the monitors

my truck can`t pass smog inspection due to 5 incomplete monitors finally complete all cycles and I turn engine off and the monitors there gone, is like memory on the CPM is no good. any suggestions on what the problem could be will be appreciated. -
Answer 1
BAD POWER/GROUND IN COMPUTER WIRING CIRCUIT. -
Comment 1
Thank you I will check it out, I will keep you posted -
Answer 2
Does the radio lose preset's and clock lose time when key is switched off?? P1000 code??? -
Comment 1
No Codes ,and its not the original radio anymore. -
Comment 2
P1000 is Ford's code for monitors incomplete!! Have it scan tested with a professional scanner! Not just a code reader hooked up....Now does anything else lose memory when the key is switched off.??? Stereo, clock etc...? -