Afternoon ,,,

I am at my wits end trying to fix this issue ...

2003 Expedition 4.6L

Engine surges at idle (ill attach a video) ... replaced the MAF, Air Temp sensor, the Idle Solenoid and the PCV valve and hose ends ... still surges.

Thoughts?

 

You know this is shooting in the dark, right?
EGR system should be checked out, and so should the O2 sensors.
Don't get caught up throwing parts at it because that can get expensive and disappointing.

 

Yep .. hence this post --- wanted to see if anyone else experienced this issue and knew of a fix ...

OBD reader doesnt pick up any codes wither which I would have thought it would..

Thanks

-Mike-

 

I've had that happen to me when i done an intake on a 4.0 i believe. it was idle chasing because there was a vaccum leak after the idle air control valve. you'll have to do a smoke test or check vaccum connections