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Looking for a tech thats certified in engine performance
Looking for a tech thats certified in engine performance diagnostics … read more
Jaybird61
Jaybird61
Master Automotive Mechanic
2,586 satisfied customers
97 Ford Ranger 4.0l Scanner readings show all Oxygen sensors
97 Ford Ranger 4.0l Scanner readings show all Oxygen sensors (0.000) and Long term/short term both at -100.0 ; Only DTCs p0171,p0174, and p1334. Question : Bad PCM or Replace Sensors?then worry about … read more
David Craig
David Craig
OWNER/MECHANIC
Associates
6,696 satisfied customers
2004 freestar 3.9 liter with lean codes bank one and two.
2004 freestar 3.9 liter with lean codes bank one and two. Most recently cranks and stalls right away, then runs with hesitation until warm. seems to run normal when warmed up, but still throwing leann… read more
Chris (aka- Moose)
Chris (aka- Moose)
Technician
Vocational, Technical or Trade School
29,223 satisfied customers
P2195 Code 2003 Ford Focus ZX5, 2.0L DOHC So last Sunday I
P2195 Code2003 Ford Focus ZX5, 2.0L DOHCSo last Sunday I had a P0117 Code, resulting from spilling some ATF fluid in the O2 B1 S2 connector. I cleaned out the connector and it was resolved. But the en… read more
David Craig
David Craig
OWNER/MECHANIC
Associates
6,696 satisfied customers
Codes P1131, P1151,P0136,P0156 idles rough. consistent to
consistent to point of stalling occasionally while in gear at stop … read more
A. Penland
A. Penland
Ford Senior Master Technician
Vocational, Technical or Trade School
7,141 satisfied customers
2000 ford e350 6.8.... came in with p0172 and p0174. I
2000 ford e350 6.8.... came in with p0172 and p0174. I replaced the intake manifold gaskets, throttlebody gasket, and plenum gasket. I cleaned the maf, iac and throttlebody plates. ran a can of sea fo… read more
Kenny Z.
Kenny Z.
Ford Senior Master Technician
High School or GED
6,098 satisfied customers
codes say left and right bank running lean on 4.2 l 2003 F150.
codes say left and right bank running lean on 4.2 l 2003 F150. I checked for a vacuum leak with starting fluid but didn't find one. It also idles high but only in cold weather. My next move will be to… read more
Ron
Ron
ASE Certified Technician
Vocational, Technical or Trade Scho
25,182 satisfied customers
Explorer Sporttrac XLT: I have a 2003 Explorer Sporttrac XLT
I have a 2003 Explorer Sporttrac XLT 4.0L. I used a Cortex Superchips programmer the codes are P2195; P2197; P0171; P0174; P300; P304; and P316. MAF #/M [email protected] varies a little with RPM; TPS=21%… read more
Chris (aka- Moose)
Chris (aka- Moose)
Technician
Vocational, Technical or Trade School
29,223 satisfied customers
1997 Ford explorer: 4.0L sohc 2wd, 60,000 miles..cel..smooth
1997 Ford Explorer 4.0L SOHC 2WD, 60,000 miles on replaced engine. CEL codes P0171 & P0174. Overall the vehicle seems to be running good runs real smooth fuel economy is normal. If the CEL was not on … read more
AlvinC
AlvinC
Ford Dealership Technician
Vocational, Technical or Trade Scho
1,238 satisfied customers
2004 F-150: p0171..p0174..eng. idle rolls from 500 to 1000 rpm in gear
Hi , need help on a 2004 F-150 4.2L . It came in W/ codes: P2195,P2197,P0171,P0174. The eng. idle rolls from 500 to 1000 RPM in gear . Looking at live data the (short term fuel trim) bank 1 & bank 2 a… read more
Ron
Ron
ASE Certified Technician
Vocational, Technical or Trade Scho
25,182 satisfied customers
2003 ford ranger: check engine light came on..stalls..rev
I have a 2003 ford ranger, took it to auto zone because check engine light came on. cameup with codes saying mass air flow sensor or o2 sensors, replaced maf and 2 forward o2 sensors ,truck still idle… read more
Ron
Ron
ASE Certified Technician
Vocational, Technical or Trade Scho
25,182 satisfied customers
97 Explorer: 4.0L..sohc..my code reader shows any O2 sensor voltages
I have a 97 Explorer 4.0L sohc. I replaced the intake manifold gaskets and it is ideling pretty good but my code reader shows any O2 sensor voltages (0.000) in the live mode. I tested the sensors with… read more
Richard
Richard
ASE Certified Technician
Vocational, Technical or Trade Scho
1,524 satisfied customers
99 Ranger: 4.0L..bolt..volant cold air intake, jet maf sensor..exhaust
Got a 99 Ranger 4.0L that keeps popping a P0420 code. Over the years I have done bolt on upgrades, and I don't know if they may have contributed to the problem. The upgrades that I've done include a v… read more
johnt
johnt
manager
High School or GED
85 satisfied customers
1996 Ford Ranger: cold weather..stay running..it warms up..slow down
I have a 1996 Ford Ranger, 4.0 V6 stickl When it is cold weather it does not want to stay running til it warms up. If you take off and it still is cold it will quite as soon as you let off the gas & i… read more
Hank B
Hank B
Owner/ Technician
Vocational, Technical or Trade Scho
109 satisfied customers
94 explorer: scan tool..tried known good ign module,coil pack..pcm
94 explorer 4.0 only happens when cold starts and dies 3 to 4 times then will barely idle at around 425rpm with intermitent faint poping back through intake and seems to be dumping fuel (new plugs bla… read more
Dieseljunky2
Dieseljunky2
Locomotive Mechanic
Ford Certified Technician
409 satisfied customers
I have a 1993 ford ranger 4x4 splash standard cab with a 4.0
I have a 1993 ford ranger 4x4 splash standard cab with a 4.0 v-6 and manuel transmission. when you first start it up it runs fine , but after it warms up rpms at idle get lower and lower the warmer it… read more
Shawn
Shawn
Self Employed
Vocational, Technical or Trade Scho
360 satisfied customers
Ford Ranger 4x4: extendec cab..following codes..lean..coolant temp
I have a Ford Ranger 4x4, extendec cab, 4.0 engine. I didn't pass emissions It's giving me the following codes: 0171 ,ean mix bank 1 0174 lean mix bank two. I changed already 1) coolant temp. sensor,2… read more
JOHN aka Eauto
JOHN aka Eauto
self employed
High School or GED
10,913 satisfied customers
2002 ford: codes p0172 and p0174 system too lean bank 1 and 2
2002 ford lightning no activity both up stream o2s codes p0172 and p0174 system too lean bank 1 and 2 0.01 volts… read more
Ron
Ron
ASE Certified Technician
Vocational, Technical or Trade Scho
25,182 satisfied customers
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Meet the Experts:

Ron

Ron

ASE Certified Technician

25,182 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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