DanielM

Ok. When I start my Evo sometimes it starts perfect. Now sometimes mostly when it's hot or been sitting for 30 mins. I start it up and it idles crazy low and wants to shut back off almost as if it's misfiring bad, after 4 seconds the rpm actually climbs back up and idles fine after. Weird, Evo drives more than good. Has 272 intake and exhaust cosworth,880preccission injectors,255 walbro I believe. Any thoughts greatly appreciated.

need_an_evo

iTrader: (7)

Throwing any codes? Sounds like IAC or MAP

DanielM

No codes other than a random misfire p0300. when I do drive with the ac on and I'm cruising around 40 ill clutch and put it straight to neutral the rpm drops fast and acts like it's going to turn off lights dim and all. . I'd have to let the rpm drop slowly by still being that gear.

DanielM

Could it be fuel related ?

stefenboy

iTrader: (1)

Fuel pressure regulator, pcv / vac leak? Did you do boost test?

DanielM

Thanks I'll check the fuel pressure regulator and pcv tomorrow .. No vac leaks I'm aware of. I'll check the inter cooler piping tomorrow and make sure I'm no leaking. Hopefully it's nothing major. I did see one of my precission injectors have the rubber groomet cracked.