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Neither Goodyear nor Midas was able to scan my van's
Neither Goodyear nor Midas was able to scan my van's computer. Autozone said I had lean codes PO171 and PO174. What should I do? 2003 Ford Windstar. I paid $26 yesterday.… read more
Chris (aka- Moose)
Chris (aka- Moose)
Technician
Vocational, Technical or Trade School
31,725 satisfied customers
Ford F150: I have a 2003 Ford F-150 with a 4.2 v6 engine.
I have a 2003 Ford F-150 with a 4.2 v6 engine. I keep getting code PO171 and PO174. These codes only come up during colder weather. So far I've changed the plugs, pcv valve and air cleaner. Any help y… read more
Dan
Dan
Automotive Technician
Vocational, Technical or Trade Scho
24,689 satisfied customers
2003 ford f150 pick up automatic transmition 4.2 6- cylinder
2003 ford f150 pick up automatic transmition 4.2 6- cylinder check engine light comes on po171 p1151 p1131 po174 what do these codes mean?… read more
Ron Z.
Ron Z.
- Ford Tech -
Vocational, Technical or Trade Scho
22,088 satisfied customers
98 windstar: idles at 650rpm..little rough..misfire on #2 and #3 cyl
I have 98 windstar with a 3.0 it has a PO171 and PO174. It also idles at 650rpm and a little rough. At times it will misfire on #2 and #3 cyl.… read more
Ron
Ron
ASE Certified Technician
Vocational, Technical or Trade Scho
26,187 satisfied customers
van..o2 sensor replaced maf sensor replaced checked for vaccum leaks
When driving the tachometer continues to climb as you pick up speed but doesn't shift back down, acts like it is stuck. Notices when this happens the van seems to try to run hot. Had codes 171 and 174… read more
Ironmike
Ironmike
ASE Master ,Ford Certified Master Tech
Vocational, Technical or Trade Scho
3,475 satisfied customers
2001 Ford Windstar: po171 +..I changed the spark plugs..misfire codes
I have a 2001 Ford Windstar. I was gettin PO171 + 174 codes and misfiring codes. I changed the spark plugs which took care of the misfire codes. I did the TSB stuff with the intake which took care of … read more
Pavlin Koev
Pavlin Koev
Diagnostic Technician
High School or GED
3,485 satisfied customers
2003 Windstar: po171..cause of the 316 code, because they were burnt
I have a 2003 Windstar, with a PO171, and a PO 316. I thought the wires were the cause of the 316 code, because they were burnt. Unfortunately not the problem. It only misses and runs bad when it has … read more
Dan
Dan
Automotive Technician
Vocational, Technical or Trade Scho
24,689 satisfied customers
Ford Ranger XLT ford ranger xlt, 2.5L, 4 cyl. has Po171 code.
ford ranger xlt, 2.5L, 4 cyl. has Po171 code. Originally had Po171 and 174 codes. Replaced Mass Air Flow Sensor; EGR Valve and Solenoid; and O2 sensor before cat. Have not pulled injectors. They sound… read more
Ron
Ron
ASE Certified Technician
Vocational, Technical or Trade Scho
26,187 satisfied customers
1998 Ford Windstar: It stalls..fuel filter..fuel pressure regulator
I have a 1998 Ford Windstar with a 3.8 engine It stalls once in a while at stop lights It has a PO 174 trouble code we have changed the fuel filter and tps sensor and fuel pressure regulator could thi… read more
EricFromCT
EricFromCT
Auto Technician
5,378 satisfied customers
2002 f150: po171..it also tries to die at times when idling
i have codes po171 and 174 stored inmy 2002 f150 4x4 it also tries to die at times when idling… read more
CTFordTech
CTFordTech
Auto Technician
Vocational, Technical or Trade Scho
4,894 satisfied customers
ford windstar: two code number po171 and po174 coud you tel me
i have a ford winstar 99 and it has two code number po171 and po174 coud you tel me what do you think it coud be… read more
Terry S. Trent
Terry S. Trent
Automotive Technician
Associate Degree
374 satisfied customers
2002 FORD WINDSTAR: WHAT DOES ENGINE CODE p0161..p0174
WHAT DOES ENGINE CODE P0161 AND P0174 ON MY 2002 FORD WINDSTAR MEAN? WHAT STEPS DO I NEED TO TAKE TO REPAIR IT?… read more
JOHN aka Eauto
JOHN aka Eauto
self employed
High School or GED
20,161 satisfied customers
2001 taurus: stop lights..OBD II..5 misfirepo306- cyl 6 misfire
2001 Tarus dying at stop lights. OBD II codes- PO171-Sys to lean-bank1 PO174 - sys to lean- bank 2; PO304- cyl4 misfire po305 -cyl 5 misfire po306- cyl 6 misfire Any ideas?… read more
Mike V.
Mike V.
Auto Service Technician
Subaru and Nissan factory training.
1,994 satisfied customers
Pm151: the maf with contact cleaner twice..fuel filter..running rough
I got a po171,and po174 with a progresively rougher idle. I sprayed the maf with contact cleaner twice and changed the dpfe and fuel filter and a suspect vacuum hose. Still running rough and the new c… read more
Ron
Ron
ASE Certified Technician
Vocational, Technical or Trade Scho
26,187 satisfied customers
96 E-250: po..a check engine light ...guy..air flow sensor..10 minutes
i'm getting codes po171 and po 174.....system too lean bank 1 and bank 2 make is 96 E-250 with a 300 straight 6 ......95,000 original miles......early last year I had replaced the 0-2 sensors in bank … read more
Earl
Earl
Technician
Vocational, Technical or Trade Scho
725 satisfied customers
2000 windstar: engine light..mile..intake manifold runner control
I have a 2000 windstar engine light on code po171/po174 comes up. I only get about 13 mile per gallon. A shop said it was the intake manifold runner control. Does that sound right. If so were is the i… read more
Dennis
Dennis
Senior Master A Technician/Shop Foreman
Vocational, Technical or Trade Scho
758 satisfied customers
2007 ford windstar: lx at 3500 rpms..stall..whinding noise by intake
2007 ford windstar 3.8 lx at 3500 RPMS exactlly, van seem to want to stall out and acts as if it's straving for fuel. also i hear a whinding noise by intake or by pulleys.… read more
john
john
High School or GED
254 satisfied customers
1999 Ford Explorer: 2wd xlt that..idling..manifold
I have a 1999 Ford Explorer 4.0 v6 2wd xlt that has a very bad idling problem when engine is cold. I've been told that it could be a manifold problem. What do you think? The Quote was 1500.00 for repa… read more
Randall    (Cheeko)
Randall (Cheeko)
Ford Dealer
Vocational, Technical or Trade Scho
2,395 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

31,725 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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