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I have 1999 ford taurus i got the code p0171 and 174 may i
hello i have 1999 ford taurus i got the code p0171 and 174 may i know what it is … read more
Jared D
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Have a 2000 Ford Taurus with about 98,000 miles. It has the
Have a 2000 Ford Taurus with about 98,000 miles. It has the 3.0 liter Duratec DOHC engine. A week ago, engine light came on and car started idling rough at stop lights and sometimes the engine quits..… read more
Ron
Ron
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Ford 99 FORD WINDSTAR 3.8, GETTING CODES PO401 EGR FLOW INSUFF,
99 FORD WINDSTAR 3.8, GETTING CODES PO401 EGR FLOW INSUFF, AND PO171 SYST TO LEAN BANK 1, AND PO 174 SYST TO LEAN BANK 2, AT IDLE I HAVE 4 INCH VACCUM AT EGR HOOK UP, AND WHEN I PUT VACCUM ON EGR VALV… read more
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Ron
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Code P0174 - Lean Bank 2. I have cleaned the MAF sensor..leaks..Dave
I have code P0174 - Lean Bank 2. I have cleaned the MAF sensor, checked all the vacuum hoses I can find for good connection and no leaks, and reset the code. Stays away sometimes a couple of weeks, so… read more
Ron
Ron
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2005 Ford Taurus: with a rough idle..stalls..coil pack..mass air flow
Hello, I have a 2005 Ford Taurus with a rough idle that surges from low to high and also stalls out..this roughness subsides and evens out when the car warms up to full operating temperature...the eng… read more
CTFordTech
CTFordTech
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2000 ford explorer: check engine light..sohc..po171..lean 105k miles
2000 ford explorer check engine light on 4.0 sohc enging codes are po171,po174 left and right banks lean 105k miles what is wrong/… read more
Ron
Ron
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1999 ford: o2 sensors..check engine light came..egr
i have a 1999 ford e150 with 4.2L wont pass emissions test, i replace both up stream and both down stream O2 sensors cleared codes and test. check engine light came back on with codes P1401(DIFF PRESS… read more
Paul M ASE Master
Paul M ASE Master
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1996 ford taurus: #2code po174 bank(2),#3CODE p1506,and #4 CODE P 0304
i have 1996 ford taurus,#code po171'fixed #2code po174 bank(2),#3CODE P1506,AND #4 CODE P 0304. TO START WITH IT WAS PO 171 I FIXED THAT: AND NOW IVE GOT THE OUTHER CODE WAY? and how do i fix this? he… read more
APenland
APenland
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ford f 150: leak..my truck..mass air flow sensor,($140.00..NEW PLUGS
I have a ford f 150 model year 2001, I was told by a mechanic on this site that I have a vacume leak, my truck is giving me codes P1000,P0171, Po174, I have replaced the mass air flow sensor,($140.00)… read more
david
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I have a 2003 ford escape limited. It gas new spark plugs and
I have a 2003 ford escape limited. It gas new spark plugs and coil packs, but when you get to about 2200rpms, it bogs down until you let off of the gas and let it catch up. There are no codes in the c… read more
Roadside Jerry
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2000 Ford Taurus: Wagon..P0171..P0174..possible causes and course
2000 Ford Taurus Wagon with 75K miles has codes P0171 and P0174. I was told these mean engine is running lean. What are possible causes and course to fix them?… read more
Richard
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99 Taurus: stall..Code comes up as p0171 and p0174..fuel filter..MAF
Have a '99 Taurus, 117K, wants to stall at idle. Code comes up as p0171 and p0174. I have replaced the fuel filter and MAF. Previous code cleared when I replaced the downstream O2 on bank 1. Also, hav… read more
mustangmike
mustangmike
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1998 ford expedition: liter engine..fuel trim..bank one..engine runs
I have a 1998 ford expedition with a 5.4 liter engine. The short term fuel trim on bank one goes to 0 and the engine runs ruff at a idle. What should I be looking for? The engine runs smooth at a idle… read more
lostrider
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1997 Crown: the upstream and downstream O2 sensors
I am trying to change the upstream and downstream O2 sensors on my 1997 Crown Vic. Where are they located and are there 2 or 4 I have seen both answers. The codes say both are bad, the parts store onl… read more
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I receive OBD-II error code P2195 (sensor stuck lean Bank ...
I receive OBD-II error code P2195 (sensor stuck lean Bank 1, sensor 1) and P0133 pending (Sensor ckt slow response Bank 1, Sensor 1) on my 2004 Taurus with 21,000 miles. Shouldn''t this sensor last a … read more
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ford Expedition: obd-!! machine; which i connected..suv...engine light
I have a ford Expedition 1997. I have the OBD-!! machine; which i connected in the suv. The engine light is on and it gave me 3 codes. The codes are as follows; PO171; PO174 and P1131. I would like to… read more
POWERSTROKE
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99 Ford Ranger super cab: V6..air filter..MAF..the check engine light
I am constantly getting the P0171 and P0174 error on my '99 Ford Ranger supercab, 4.0L V6. I have a K&N air filter installed and I clean the MAF with Carb cleaner, then reset the codes. I will then dr… read more
Chris (aka- Moose)
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Vocational, Technical or Trade School
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95 ford windstar: light 20 miles later light comes..p0171..cant find
have 3 codes pulled from 95 ford windstar 3.8 replaced egr ,dpf and vacumm line to reset light 20 miles later light comes on with a 1407,p0171 and p0174 cant find any info on these codes except 171 17… read more
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Jacob
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Meet the Experts:

Ron

Ron

ASE Certified Technician

39,095 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

29,223 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

1,591 satisfied customers

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

Richard

Richard

ASE Certified Technician

1,524 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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