Car: '06 IX MR
Mods: Full bolt-ons E85 (3 years) + Exedy Twin (Rebuilt once)
Symptoms:

2-weeks ago: Wandering Idle. Replaced spark plugs and did an oil change.
Last week: Car barely idled, had to rev at lights to keep from dying. No issues rest of week.
Today: Car sounded like a helicopter in the morning (think Subaru engine) and barely ran. After work ran like there was nothing wrong.

Ideas? Thinking it may be transmission related. Or electrical? (Right HID turns off after a few minutes, but assumed ballast was going and will replace with bulbs)

Tinfoil theories: My car hates Mondays, this only happens when I'm low on gas, or after I drive the **** out of her and park for a day+.

 

Evos dont like low gas in the tank. huge vacuum leak? your BOV is jacked up? some bad e85 you have been picking up? i heard e85 on cold starts can be hell sometimes. maybe your boost solenoid is bad? maf fail? i dont know. call a evo specialist haha.

 

Yeah I called my tuner - but he's busy these days. Nobody wants to troubleshoot.

Maybe all these years of E85 has finally caused an issue.

 

Gunk build up on injectors?

 

Burned out injector resistor pack on the firewall. Quick test. Ask me how I know lol.

 

What's the best way to test the resistor pack?

 

its the coil packs, and the wires, goto Rock Auto.com buy the cheap ones they work fine ran em on a 500whp for 3 years.

 

people jump to conclusion WAY to quick about major problems lol see if someone around you has a GOOD scanner that can data log misfires it will show you alot of info even more then evoscan A good SNAP ON will as well.

 

Will throw a DTC generally P020X

 

Transmission problems don't come and go and they don't affect the idle.

 

Thanks all, will check injectors and resistor pack this weekend. Then report back.