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99 F350 SuperDually with v10 2150, 99 F350 Super Dually with
99 F350 Super Dually with v10 215k miles. Was running rough, would overheat under mild load, MPG went from 10 to 7, had a ping during acceleration. Then the sparkplug in the no. 4 cylinder blew out. ODBII reader showed P1401, P0171, P0300, P0307, and P0174. I fixed the spark plug using a heli coil. I replaced the thermostat and flushed the radiator, replaced the spark plugs, coils, fuel and air filters, and fuel injectors. ODBII reader showed P1401, P0171, and P0174. Replaced the DPFE sensor, and the hoses going to the DPEF, EGR valve, fuel pressure regulator, and MAF sensor.. I took a full can of break cleaner and emptied it by spraying every connection and seam in the engine compartment no apparent vacuum leaks. The MPG went up to 11. ODBII reader showed P0455, P0171, and P0174 Replaced 3 oxygen sensors (single CAT and exhausts), fuel pump (fuel gage did not work anyway), fuel cap, both rubber hoses connected to the fuel tank (looks like evap lines), and 3 rubber hoses that connect the solid lines on the frame to the engine (looks like evap lines). ODBII reader showed P0455, P0171, and P0174. I have checked and cleared the OBDII several times during this process. ODBII reader still reads P0455, P0171, and P0174. I have used 2 tanks of gas during this trouble shooting process. I am at a loss what to do next about the lean codes. … read more
Mike S.
Mike S.
Vocational, Technical or Trade Scho
8,433 satisfied customers
I have a 98 ranger 3.0. reading constant 38 lbs. fuel
i have a 98 ranger 3.0. reading constant 38 lbs. fuel pressure, idle and under load. can this cause a lean burn on both banks? no vacuum leaks, MAF good, O2's good,air and fuel filters good, PCV new, … read more
Gunvir Singh
Gunvir Singh
1,949 satisfied customers
I have a 2000 ford ranger 3.0. I've replaced the maf iac tps
I have a 2000 ford ranger 3.0. I've replaced the maf iac tps fuel pump and now codes p0102 p1121 p0174 and p0171 … read more
David Craig
David Craig
OWNER/MECHANIC
Associates
9,424 satisfied customers
I did the flowing work on my 2003 ford ranger 2.3, new head
new head gasket,new water pump,new thermostat,new radiator,it keeps over heating … read more
6Bucs
6Bucs
Senior Master Tech
Associate Degree
1,346 satisfied customers
I have the codes 2002 Ford Explorer 4.6L V8 but no one will
I have the codes for my 2002 Ford Explorer 4.6L V8 but no one will tell me what they mean. They are P1151, P1400, P1131, P0174, P0171. Is there a website that will tell me what they mean?… read more
Jared D
Jared D
Shop Supervisor
Bachelor's
2,496 satisfied customers
ranger: I have a p0171 system too lean ( bank 1) code
I have a p0171 system too lean ( bank 1) code, Everyone is telling me its a vacuum leak , but i dont know where to start its a 06 Ford ranger 3.0 v6 I even changed the 02 sensor on the driver side… read more
Steve
Steve
Ford tech Specializing in electronics
Vocational, Technical or Trade School
6,755 satisfied customers
1997 ford f-150: cylinder..lean..coil pack , also fuel filter
i have a 1997 ford f-150 i keep getting a code for cylinder 2 misire and system to lean . i have changed the plugs wires and coil pack , also fuel filter .. if any suggestions please let me know… read more
A. Penland
A. Penland
Ford Senior Master Technician
Vocational, Technical or Trade School
7,735 satisfied customers
2003 Ford Ranger: 3.0 V6..sudden, check engine light..rough idle..maf
2003 Ford Ranger 3.0 V6, all of the sudden, check engine light with rough idle, originally, it was only showing P0171 and P0174 and I cleaned the MAF and after 95 miles, the codes came back as P0171, … read more
Paul M ASE Master
Paul M ASE Master
Automotive College
4,570 satisfied customers
2004 Ford Ranger: V..this could be O2 Sensor or Mass Airflow Sensor
I have a 2004 Ford Ranger with 3.00L V-6. Showing codes 171 and 174, was told this could be O2 Sensor or Mass Airflow Sensor. Also was lead to believe that my truck has 4 O2 sensors. I've heard of veh… read more
CTFordTech
CTFordTech
Auto Technician
Vocational, Technical or Trade Scho
4,894 satisfied customers
Windstar: stall..scanner..two codes that cane up were p0171 & p0174
We have an 01 Windstar with a 3.0 engine. It is beginning to stall at traffic lights. Advance used their scanner and the two codes that cane up were P0171 & P0174. A lean condition? How to fix?… read more
rpmdiag
rpmdiag
High school
8,998 satisfied customers
2001 ford ranger: 3.0 v6 throwing a too lean to bank code
2001 ford ranger 3.0 v6 throwing a too lean to bank code, also truck beeps 5 times in sets of five for a total of 25 times when started, any ideas?… read more
Chris (aka- Moose)
Chris (aka- Moose)
Technician
Vocational, Technical or Trade School
60,971 satisfied customers
2003 ford ranger: flex fuel..a trouble code set po172 rich on bank one
i have 2003 ford ranger with 3.0 liter flex fuel engine and i am getting a trouble code set po172 rich on bank one and bank 2 can you tell me what to do for this… read more
Mark W
Mark W
Associate Degree
92 satisfied customers
Check Engine Light..P0171..Control Valve..cranks but doesnt turn over
Check Engine Light is on. Pulled Codes and p0174 P0171 System too lean bank 1 and 2. P1443 Evaporaytive Emission System Control Valve Slow/No flow. Now my truck doesnt start. in cranks but doesnt turn… read more
Brad
Brad
Lead Diagnostic Technician
Vocational, Technical or Trade Scho
2,361 satisfied customers
99 ford taurus: overheating..The water pump..radiator fan
My 99 ford taurus keeps overheating. The water pump has been replaced and so has the thermostat. The radiator fan is working properly. What else could cause this problem… read more
Vincent
Vincent
Automotive Technician
High School or GED
808 satisfied customers
1995 ford ranger: pressure and blows coolant..overflow..radiator cap
My 1995 ford ranger [3.0] builds pressure and blows coolant into the overflow resovoir, fills it and blows the cap off that. I noticed rust like particles in the coolant and a little rustlike sludge o… read more
Chris (aka- Moose)
Chris (aka- Moose)
Technician
Vocational, Technical or Trade School
60,971 satisfied customers
ford: triton..with a p0171 and p0174 code..Auto Zone wasnt able
I have a ford 5.4 Triton engine with a p0171 and p0174 code. Auto Zone wasn't able to tell me what to do.… read more
Randall    (Cheeko)
Randall (Cheeko)
Ford Dealer
Vocational, Technical or Trade Scho
2,395 satisfied customers
99 ford ranger: overheated..radiator hoses in.towed back to shop
99 ford ranger 3.0 L i had the radiator flushed cause it was getting realy black. got truck back overheated the next day sucked the radiator hoses in.towed back to shop. they flushed it again and chan… read more
tthearch1
tthearch1
Vocational, Technical or Trade Scho
200 satisfied customers
code the code came..catalic converter and all the o2 sensors replaced
I know what p1159 is but it makes no sense to me. I was wandering if you might know what is causing this code the code came up after I had the catalic converter and all the O2 sensors replaced.… read more
John Miller
John Miller
Associate Degree
164 satisfied customers
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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

60,971 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

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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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