emissions light/bucking under acceleration
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New User
Joined: Apr 2014
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From: Virgina Beach
emissions light/bucking under acceleration
New to the forum here. First question is unfortunately not a good one. The f150 im driving which belongs to my father has for some time been making a jerking motion under acceleration. Feels like your riding a bucking bronco down the road. Wanted to get some opinions from others who might have had the same problem. Also the emission light started blinking but never actually stayed on. Without a solid code I cant have it scanned at autozone. wondering if anyone has any ideas on what it might be. Any help is appreciated. For reference the truck has the 5.4 in it.
Senior User
Joined: Apr 2014
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Just experienced the EXACT same issue with my 1998 5.4L. Went to amazon, ordered 8 COP's from araparts, installed, and problem fixed.
P.S. Cost was $80.00 delivered for 8. There are some sellers that charge more, some less. I went with a mid range price.
P.S. Cost was $80.00 delivered for 8. There are some sellers that charge more, some less. I went with a mid range price.
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Joined: Nov 2007
Posts: 320
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From: Roanoke, VA
Welcome,
Check Mode$6 with a scanner. A flashing MIL light means severe misfire warning you to not run the engine because it will harm the cat converters.
It may need a tune-up and maybe the COP's but only use Motorcraft parts for this. Inferior parts can cause the ECM computer to fail.
Check Mode$6 with a scanner. A flashing MIL light means severe misfire warning you to not run the engine because it will harm the cat converters.
It may need a tune-up and maybe the COP's but only use Motorcraft parts for this. Inferior parts can cause the ECM computer to fail.
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