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2006 Ford Expedition 5.4 3 valve, rough idle, no power, no
2006 Ford Expedition 5.4 3 valve , rough idle , no power , no codes , dies when I put in reverse or drive , changed all plugs and coils also throttle body changed and maf sensor , did smoke test no le… read more
rpmdiag
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My 2004 f150 5.4 has the p0171,p0356,p0357,p0358. I have
My 2004 f150 5.4 has the p0171,p0356,p0357,p0358. I have also had codes p0305. I have replaced spark plugs, coil on cylinder number 5, injector on cylinder 5, replaced fuel and fuel filter,fuel rail p… read more
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Tim Mohr
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1998 ford expedition: 1998 expedition 5.4 liter no engine
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Tim Mohr
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I have a 98 Ford Expedition 5.4 4x4 that started idling a little rough but not bad. When you run it down the road it gets really rough at 1700-2000 rpms. Higher rpms it doesn't seem to be as bad. Used… read more
Ironmike
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I have 2003 ford expedition,the service engine soon light is on. When I check the codes it says p0171 bank 1 lean and p0174 bank 2 lean.it had 2 more codes saying 02sensors stuck lean,I replaced all t… read more
JOHN aka Eauto
JOHN aka Eauto
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1997 ford expedition: 5.4 Triton..The following codes are coming up
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Have a 2004 Expedition with 5.4 engine ,after a couple of days of sitting when you crank it for the first time it will idle rough and barely run for about a minute and smoke out the exhaust too and it… read more
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Ford 2006 2006 f250 5.4 3v truck runs rough at wot only serious
2006 f250 5.4 3v truck runs rough at wot only serious spark knock! had a cyl 5 and 6 misfire code, random misfire, and lean on bank 1. performed power balance test and 1, 4, and occasionally 2 droppin… read more
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1997 F-350: power stroke..rpm..800 like you are pumping the pedal
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98 Ford Expedition 4x2: 5.4L..Triton..Its idling rough after it warms
I have a 98 Ford Expedition 4x2 5.4L Triton engine. It's idling rough after it warms-up. Check engine light it's on. The scanner showed a P0171 and P0174. I changed all four O2 sensors, the MAF and on… read more
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2001 taurus: v6../ spray for vac leaks--cant find any
2001 taurus 4v v6, system too lean on both banks. I tried to look for/ spray for vac leaks--cant find any. tried clean gas and fuel additives no luck.… read more
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2001 Econoline E150 V8 triton 4.6L, the check engine soon light
2001 Econoline E150 V8 triton 4.6L, the check engine soon light came on and it feels like it wants to turn off, shakes too, put on the scanner and code P0171 System too Lean ( Bank 1 ) came up. what's… read more
lamontgomery
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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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