'02 E150 4.6 surge/misfire

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'02 E150 4.6 surge/misfire

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Ford Forums >> Ford Trucks, Ford Vans & Ford SUV's >> Ford Econoline E Series >> '02 E150 4.6 surge/misfire

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'02 E150 4.6 surge/misfire - 11/12/2007 4:00:33 PM

fastolds

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Joined: 11/12/2007
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Hello, I am working on the above vehicle, and I seem to be at a dead end. It seems to surge or buck when easily accelerating while driving. If you floor it, it runs good. Also runs good at idle. Scanned for codes- none stored. I replaced the spark plugs at my friend's request, with no change. With all the reading I've done about the EGR pressure sensor, I put one of those on as well. I used Motorcraft plugs and a Ford sensor. I took apart the throttle body and all that to check the EGR ports, which were clean. My next guess would be a fuel injection flush, which i am going to do tomorrow. After doing a little more reading today, I am going to check and see what the TPS data says while driving. At this point, I'm out of ideas, and have put a little thought into the idea that it may be the transmission. The fluid isn't burnt and it is full.

Any help for a GM guy here trying to help a friend out?
Thanks

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Adam Friday

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RE: '02 E150 4.6 surge/misfire - 11/15/2007 10:41:18 AM

BRETM

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Could one of your coils causing the issue. Easiest way to check them is to stress test them with the special tool though.

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(in reply to fastolds)

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