Hi I am new here I need help please. I have a 4.0 and at first it was dieing while going down rd.So I changed the gas filter and thought why I was at it I would change plugs and cleaned the maf icu and tps. Well got it back together and no start and when did no idle. Then I put a scanner on it .code came out o2 sensor replace that and then had 12 codes .I turned it over today and now only 3 codes 1492 0107 1296 .the pcm said 5 volt.5.17 to cam sensor 2.6 at start. Map 17.7 mv tps .717v 8 volt to spark plug .I just don't know what's going on ...help plz