p0303 DTC. Help me please!
Ok so a couple of days ago I got the dreaded p0303 code and lose of power, it only happens intermittently as I drive and it then goes away ( the lose in power ) I checked the coils plugs had Ford dealer look at it today and they could not figure it out. I swapped the coil places on the engine to see if the 0303 would fallow a coil, no dice. No modds have been done for 5 months of so. I reloaded my custom tune off my SCT no dice. It has run great till now with my modds. Eforce steeda cold air. valve covers. Now the dealer says maybe to send the pcm to roush to have it reflased but there are not any roush components done on the engine. so I am at a lose. Please help. again no modds for six months.
Eforce 454Whp 408Wtq. Steeda CAI, Sequential tail lights, Roush racing suspension, short through shifter, UPR can, FRPP valve covers, Roush control arms upper and lower. Full Roush stage 2 interior. "ROUSH STAGE R."