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P0171 system too lean bank P0174 system too lean bank p2072
P0171 system too lean bank P0174 system too lean bank p2072 throttle actuator control system ice blockage.2005 ford f150 5.4 TritonWhat is usually the problem associated with these codes?… read more
A. Penland
A. Penland
Ford Senior Master Technician
Vocational, Technical or Trade School
7,844 satisfied customers
Problem idle has codes PO171 and 174. 5.4 312000. 02 F150
Problem idle has codes PO171 and 174 JA: How many miles are on the Ford? What size is the engine? Customer: 5.4 312000 JA: What is the model/year of your Ford? Customer: 02 F150 XLT JA: Are you fixing… read more
EricFromCT
EricFromCT
Auto Technician
5,321 satisfied customers
O2sensor replaced last year now codes again say they need
O2sensor replaced last year now codes again say they need replacing. 2003 f150 4.6l … read more
john -aka eauto
john -aka eauto
self employed
High School or GED
20,059 satisfied customers
05 f150 5.4, under WOT you can hear a ticking sound that
05 f150 5.4, under WOT you can hear a ticking sound that resembles exhaust leak. When the rpms pick up the ticking stops and you can feel it pulling harder. When you can hear the ticking the timing is… read more
6Bucs
6Bucs
Senior Master Tech
Associate Degree
1,349 satisfied customers
Lean fuel code and runs rough in idle, pretty consistent, 05
it has new plugs and the coils that were bad were replaced … read more
Mike S.
Mike S.
Vocational, Technical or Trade Scho
8,507 satisfied customers
cam profiles..Just curious about degrees intake/exhaust?
Just curious. What are the cam profiles of the 5.4 liter 3 valve compared to the 4.6 liter 3 valve motor? Just curious about degrees intake/exhaust? Thank you Owen Swart… read more
Chris (aka- Moose)
Chris (aka- Moose)
Technician
Vocational, Technical or Trade School
61,752 satisfied customers
Ford f150: 5.4 engine the service engine soon light came..lean
I have a ford f150 5.4 engine the service engine soon light came on the code is lean condition on bank one is the code. what should I be looking for?… read more
Dan
Dan
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Vocational, Technical or Trade Scho
24,644 satisfied customers
2004 f150: 5.4 Truck runs rough and the codes..miss fire..leaking
Got a 2004 f150 4x4 with 5.4 Truck runs rough and the codes are random miss fire. the truck was running lean and the intake gasket was leaking and replaced. Before the gasket was replaced it also had … read more
Bamaman39
Bamaman39
Ford master diesel Tech.Ford certified
High School or GED
2,287 satisfied customers
2004 Ford F150 FX4: 5.4 3 valve triton V-8 engine..Control System
I used an Innova 3100 O.B.D. Device on my 2004 Ford F150 FX4 with a 5.4 3 valve Triton V-8 engine and got the following message "Throttle Actuator Control System Forced Limited Power" Code: P2106 Gene… read more
Marty
Marty
Vocational, Technical or Trade Scho
576 satisfied customers
my ford f150 is running rough and my engine check light comes
my ford f150 is running rough and my engine check light comes up. When I erase the trouble codes on it it runs good for a little bit then act funky again cutting off while idling. I am getting running… read more
Kenny Z.
Kenny Z.
Ford Senior Master Technician
High School or GED
6,690 satisfied customers
2001 ford f150: system too lean..replaced mass air flow
i have a 2001 ford f150 i keep getting system too lean code i replaced mass air flow ,plug and wires any more… read more
SuperBob
SuperBob
Ford dealer senior master technician
Vocational, Technical or Trade Scho
2,603 satisfied customers
2002 Ford F150: a lean mixture on both banks..SuperCrew..pickup..PO171
I have a problem with a lean mixture on both banks of my 2002 Ford F150 SuperCrew 5.4 pickup. Code showing are PO171, and PO174 which indicate a lean fuel mixture. I replaced the Mass Air Sensor but i… read more
Ssholar
Ssholar
Team Leader Shop Foreman
High School or GED
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1998 Ford F150: 4x4..lean..aiv, gas filter, air filter, spark plugs
My 1998 Ford F150 5.4 liter 4x4 engine light is on. Codes read lean on both banks and AIV was bad. I changed the AIV, gas filter, air filter, spark plugs. The problem continues to get worse. It starts… read more
Ron
Ron
ASE Certified Technician
Vocational, Technical or Trade Scho
26,187 satisfied customers
Lost power, battery light and engine light came on...pcm..injector
Truck died while driving in heavy rain, road was really wet too. Lost power, battery light and engine light came on. Pulled over discovered that the PCM - injector fuse blew. Replaced it truck started… read more
FORDFXR
FORDFXR
MASTER TECHNICIAN
Vocational, Technical or Trade Scho
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2002 Ford F150: My engine bucks in overdrive under load...idling..revs
I have a 2002 Ford F150 4.6 litre engine 2x2 flare side. My engine bucks in overdrive under load. Also, when idling, it bogs down then revs up. What would cause this? Recently had injectors cleaned an… read more
Arench
Arench
President
CT State GED w/ Honors
1,484 satisfied customers
f150: IDLES ROUGH,LOW IDLE OR DIES ,SCANNER SHOWS ALL LEAN CODES..LEAK
05 f150 5.4,IDLES ROUGH,LOW IDLE OR DIES ,SCANNER SHOWS ALL LEAN CODES,THINKING MAYE SOME TYPE OF VACUM LEAK , THANKS JASON… read more
ZZDaryl
ZZDaryl
Lead Auto Tech
Some college and advanced training
11,484 satisfied customers
P300: p0303..p0304..the intake gaskets r bad. i have an 05 f150 5
these r the codes i have , p0303, p0300, p0172, p2196, and p0304 . i was wondering if the intake gaskets r bad. i have an 05 f150 5.4 ; thanks chuck… read more
Chris (aka- Moose)
Chris (aka- Moose)
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Vocational, Technical or Trade School
61,752 satisfied customers
ford f150: v8..check engine light came on (steady) ...diagnostic
I have a ford f150 ( crew cab) newstyle 2004 v8 5.4 . The check engine light came on (steady) . I took it to auto zone and had them do a free diagnostic . It came back as trouble code obd11 (alpha) P … read more
John Miller
John Miller
Associate Degree
164 satisfied customers
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Meet the Experts:

Ron

Ron

ASE Certified Technician

26,187 satisfied customers

23 years with Ford specializing in drivability and electrical and AC. Ford certs and ASE Certs

Chris (aka- Moose)

Chris (aka- Moose)

Technician

61,752 satisfied customers

16 years experience

John Mc

John Mc

Ford Technician

5,495 satisfied customers

19 years Ford Lincoln Mercury experience

Chuck

Chuck

ASE Certified Technician

1,685 satisfied customers

33 Years Experience,Ford Senior Master,ASE Master,L1 Advanced Engine Performance

Cam

Cam

Journeyman Automotive Technician

10 satisfied customers

GM Grand Master Technician 2007. 14 years Automotive experience.

Mike V.

Mike V.

Auto Service Technician

1,994 satisfied customers

25 years experience on all makes and models, Licensed NYS Inspector.

Richard

Richard

ASE Certified Technician

1,535 satisfied customers

12 years at a Ford Lincoln/Mercury and Jaguar dealer as a technician and shop foreman.

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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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