Welp...my fast idle problem is BACK! I thought I killed off this problem about 14 months ago when I replaced the intake manifold where likely I had a slight vacuum leak causing air to get sucked into cylinders and then the computer increasing the fuel to balance out the air/fuel mixture. My vehicle idle has now jumped up from its normal 650 to 700 RPM to around 1,800 to 2,000 RPM. I'm thinking vacuum leak again but without following standard hose checking protocols I figures I'd hook up the laptop via my WiFi ODB2 adapter then run FORScan to see if I can get some hints as to why the computer thinks the idle should be this high. So far I can tell you that the CEL (check engine light) is not on and FORScan shows a DTC of P1000. I'm hoping someone can provide some input on specifically what parameters I should take a look at and provide ranges the data parameters should be within.