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#1
09-05-2012, 04:36 PM
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Bad miss while driving
Driving down the hwy this morning in my '00 F250 5.4 doing about 60 the truck just started to shake and had a bad miss and a poping noise from the tail pipe, No CEL came on. I turned around to leave this truck at home and continue my day with my 7.3. While driving home the miss would go away for a split second then come right back so I'm thinking its electrical. Could this be a bad coil pack? If so how do I test them to find the bad one and wheres the best place to get a replacement coil pack if that is the problem? I have yet to replace any coils in this truck so any and all advice is greatly appreciated.
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L99, SCSB, 7.3 4x4 AEM intake, 5" straight pipe, coolant filter, 6pos Gearhead chip, Autometer gauges, Firestone bags, ATD Built tranny, Smoked lights, 15% tint, WW, Mr. Bobs boots & hoses, Leveled, Moto Metals 00 SCSB 5.4 4x4 Back Rack, Whelen light bar, 7.5' Western plow with wings. Remember kids, chrome wont get you home 
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#2
09-05-2012, 06:44 PM
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Re: Bad miss while driving
Is a scan tool worth the price? I can't seem to find anyone that has one around here.
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#3
09-05-2012, 08:39 PM
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Re: Bad miss while driving
I found a broken hold down tab on the #5 coil pack and the coil was very loose. I bought a new coil pack and installed it and the truck still has a bad miss. I double checked all the connections for the coils and injecters and everything seems fine. Any ideas?
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#4
09-05-2012, 09:15 PM
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Re: Bad miss while driving
my cousins v10 sounds like its loping at an idle...hes done o2 sensors, fuel filters, MAF sensor...i wonder if he has the same prob you do
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1995  F350 XLT Powerstroke RCLB E4ODGlowshift Gauges EGT,BOOST,TRANS 3" MBRP downpipe to 6" Miter Cut Stack Unplugged EBPV PHP Pheonix (Stock,Hi-Idle,DD,Perf,Tow,Race) She ain't nothin' special, but shes mine!
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#5
09-05-2012, 09:19 PM
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Re: Bad miss while driving
I was wrong on the cylinder number. It's not #5 it was #7.
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#6
09-05-2012, 09:26 PM
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Re: Bad miss while driving
Quote:
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#7
09-05-2012, 09:36 PM
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Re: Bad miss while driving
ok...his is bad though, you can see the RPMs goin up and down...fluctuatin 200-300 RPMs up/down
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#8
09-06-2012, 02:08 AM
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Re: Bad miss while driving
I'd get that looked at then. My rpms don't jump, the truck just has a miss.
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#9
09-06-2012, 07:23 PM
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Re: Bad miss while driving
Any ideas guys? Im trying to fix this myself and keep cost down.
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#10
09-07-2012, 12:25 AM
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Re: Bad miss while driving
Anyone run into this problem before? I can't be the first one. I have browsed the web and really haven't found any good advice.
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Members who have read this thread : 34
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