Ford Truck Enthusiasts Forums - Stalling when coming to a stop

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Breeze210

06-14-2018 05:03 PM

Stalling when coming to a stop

My 2009 Ford E-250 with the 4.6 stalls every now and then when coming to a stop. I’ve recently had the spark plugs and fuel filter changed as well as all the o2 sensors. I even changed out the Egr but no luck, still stalling after everything. Only codes it’s throwing now are P0442 and P0456. P0442 has been on for at least a year and P0456 has only recently come on. I’ve changed gas cap as well. What else can I do?

maples01

06-15-2018 03:38 PM

Time for a new IAC, luckily it's on the rear of the intake, easy to get with the doghouse off.

Breeze210

06-15-2018 04:35 PM

Thanks so much! Going to by part tonight and install it. Do I have to remove engine cover inside cab to access it or is it all under hood behind air intake?

maples01

06-15-2018 09:28 PM

It's on the back of the engine, you gotta remove the doghouse, it's top center, the silver part with the large hose that looks like it has a filter on it coming from the drivers side. https://cimg5.ibsrv.net/gimg/www.for...7a42a310f9.jpg

CWR032

06-16-2018 03:44 PM

...Is someone laying on the floor with the front seats removed in that picture?

maples01

06-16-2018 04:14 PM

No, I have a power seat base that slides it back 3 feet and raises it up to the height of my wheelchair, I just retracted it back and sat in the floor, was leaning over and my leg pulled me out of the chair actually, so I just sat and finished the job, took the photo before getting back in the chair.

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