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Pickups Ford F-Series Ford F-Series Rough Idle/Vibration Problems
136 messages, Last post on Nov 06, 2009 at 7:23 AM
You are in the Ford F-Series Forum. Your Host is kcram
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Replying to: aspesisteve (Aug 01, 2008 8:03 am) |
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Replying to: dittoclown (Apr 01, 2007 6:55 am) Check my 7-26-08 post about the vibration in all 5.4 Triton engines from1300 to 1800 rpms when revving in park or driving at 70mph in o.d. It is a common problem in all 5.4 Triton engines from 2005 ,06,07, & 08 per ford Engineer. Why hasnt been diagnosed!!! I am going to the Ca. Bureau of Auto Repair and any other Customer complaint service I can find. It is NOT tires, IT is NOT any thing but an egredious engine shake at that rpm range of 1300 to 1800 rpms when sitting in Park or driving that rpm range=70mph! It has gotten worse at 50,000 mi. I have identified 7 exact same problems in same 5.4 engines!! Ford Dealers are totally in wonder as FORD will not divulge the problem with their head in the sand. It will be a huge RECALL! They call it NORMAL !! B>S!! Class action lawsuit????? Anyone let me know . We have an attorney!!!  
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Replying to: tdmadmac (Aug 06, 2008 9:04 pm)  processingpros.net My cell number is 702-334-4008. I live in Las Vegas. I even had a guy at a gas staion walk up to me and asked me if I liked my truck. I told him about the vibrations and he is having the same problem at THE SAME dealership. Look forward to hearing from you. Chad |
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| I own a 2001 F250 and notice that this seems to be a common problem occuring in all F-series trucks, has anyone got any ideas what could cause the rough idle, in my case this is intermittent and when I mash on it it goes away then returns when maintaining a constant speed. I have changed my fuel filter as well and was told that if the coils had and issue there would be a code. All suggestions are appreciated. | |
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Replying to: macisaas (Nov 13, 2008 9:39 am) Don't believe the techs when they tell you bad coils will throw a code. They will ONLY if they have continuous misfires. Intermittent misfires won't throw a code. If you have anywhere near 100k miles on the truck, you need new plugs AND coils. Do a search on ebay, you can find them for around $100 for a full set, vs $45 each at the dealer. Get Autolite plugs at the local parts store. Changing the plugs/coils yourself will require patience and about 2.5 hours. Use dielectric grease on the boots.
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Replying to: joemama33 (Nov 13, 2008 10:03 am) Cheers. |
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Replying to: popochito40 (Feb 23, 2007 6:30 pm)
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Replying to: capt_jack11 (Nov 17, 2008 7:48 am) - tire balance - a worn shock - ball joints - remaining front end components You will find one of those will be out of spec. kcram - Pickups Host |
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Replying to: tdmadmac (Aug 06, 2008 9:04 pm) We also drove 3 more F-150 2008 an 2009 and they were worse than ours. Ford now will not do any more to fix the problem. Have you thought anymore about a class action suit? Our Service manager said he will support us with documentation.
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Replying to: macisaas (Nov 13, 2008 9:39 am) I have an '04 F150 4.6L with almost 70K miles that has a rough idle while sitting still, and has intermittent (though frequent) misses while lightly accelerating and then after I have leveled off to maintain a constant speed. It is getting a little worse each day. I had it hooked up to a diagnostic machine at a local auto parts store that read a misfire on cyclinder 2. I had the fuel system professionally cleaned, air filter changed, oil changed, and it still is doing it. I was just wondering if you got your problem fixed because it sounds the same as mine. Thanks!
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