Question about 1999 Ford Explorer

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I have a 1999 ford explorer sport 4.0 vin E sohc 6cyl. My engine light keeps coming on, I have changed the fuel filter, o2 sensopr,& pcv valves, My question is what is the next step in solving thi

Freeze frame data , PO174 - fuel system 1 status, closed loop- fuel system 2 status, not supported - calculated LOAD value, 62.75 % - engine coolant temp, 190.40 F - STFT bank 1, -1.56% - LTFT bank 1, 5.47% - STFT bank 2, 0.78% - LTFT bank 2, 2.34% - RPM, 1825.25 rpm - VSS, 21.75 mph. WHAT IS MY NEXT STEP IN WORKING THIS PROBLEM OUT? THANK YOU

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  • Ford Master
  • 14,251 Answers

Those particular engines are EXTREMELY sensitive to vacuum leaks. This is also consistent with your P0174 system bank #2 lean. You need to replace your intake gaskets. They are easy to replace yourself, if you plan on doing the job yourself. Has campaign 00M12 been done on your vehicle? If not, the go to your local Ford dealer parts department, order the kit part # YL2Z-9E473-AA. In this kit, you get upper and lower intake gaskets (which are made out of rubber), updated bank #2 timing chain tensioner, oil pressure restricter & oil gallery plug.

Posted on Dec 30, 2012

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Posted on Jan 02, 2017

emissionwiz
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SOURCE: I get a DTC P0133 code on my 1998 Ford Explorer V8

it may be a defective O2 sensor here is th difinition:
P0133 - Heated Oxygen Sensor (HO2S) Slow Response Bank 1 Sensor 1 , this is the sensor on the side of the engine that #1 cylinder is on, it is the sensor before the cat.

Posted on Jan 14, 2009

SOURCE: 2002 Ford Mustang GT I used OBD-II to get the

Because you got a misfire on cylinder #1 PO301
A misfire on cylinder #2 PO302
Misfires first 1000 rev PO316
O2 Codes PO 174
Etc,Etc


The LTT, is the result of not learning (yet-thus long term)
what isn't working correctly---Your Engine

Replace bad Coil--which ever is missing
Do not go by the codes,alone ,TEST

Posted on Dec 11, 2010

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My 1999 Ford Explorer Sport 4.0 SOHC will cold start and idle till the gas runs out.Will not restart unless it is floored and then miss


Sounds like upper o2 sensors are bad. May also be other things like a dirty idle air valve, fuel regulator, fuel filter, air filter, etc. Do all the maintenance then re-evaluate. And the problem with o2 sensors may not give you a code.

Aug 13, 2015 | 1999 Ford Explorer

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After testing the MAF sensor, changing the PCV & CO sensors, I still get the check engine light, 1999 ford explorer sport 4.0 SOHC 6 cyl I've read to check the intake manifold and then go fu


What is a CO sensor? Never heard of it. a 1999 OBD2 ford has approximately 1600 possible fault codes most of which can turn on the light. If you dont know which one is turning it on, you are guessing randomly which is expensive and usually unsuccessful. get the code(s) and then diagnose the possible causes. The vehicle you list (99 4L explorer) rarely had injector problems. Much more common were EGR sensor(DPFE) sticking at voltage, evap problems, misfires, and lean conditions due to dirty MAF, or vacuum leaks. get the fault code, or you will not fix the problem.

Dec 29, 2012 | 2007 Toyota Land Cruiser

1 Answer

Need 2 loc8 PCV on 1999 Exploer 2WD 6CYL SOHC.


The pcv valve is typically located in the valve cover near the brake booster which is on the drivers side

Jan 20, 2010 | 1999 Ford Explorer

2 Answers

Fuel filter installation


Hello there:
assuming that thisiswhat youare loking for here Ford Explorer Fuel Filter - Hastings Product Description: HASTINGS FUEL FILTER -- OEM Direct Fit Replacement In-Line Fuel Filter, 3 1/8 O.D., 5/16 Inlet, 5/16 Outlet, 6 25/32Length, Replaces Ford F0TZ-9155-B; Baldwin BF1166,
  • 1991-1998: Eddie Bauer; 6Cyl 4.0L GAS, FI, VIN "X";
  • 1991-1998: Sport; 6Cyl 4.0L GAS, FI, VIN "X";
  • 1991-1998: XL; 6Cyl 4.0L GAS, FI, VIN "X";
  • 1991-1998: XLT; 6Cyl 4.0L GAS, FI, VIN "X";
  • 1993-1998: Limited; 6Cyl 4.0L GAS, FI, VIN "X";
ahg8018.jpg Ford Explorer Fuel Filter - Fram Product Description: FRAM IN-LINE GASOLINE FUEL FILTER -- 7.16" Height, 5/16 (Tube) I.D., 2.13" O.D., Features High Technology Filtration, Designed To Provide Optimum Balance Between Low Restriction And Required Efficiency, Comes With....
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  • 1999-1999: XL; 6Cyl 4.0L GAS, FI, VIN "X";
  • 1999-2000: Eddie Bauer; 6Cyl 4.0L GAS, FI, VIN "X";
  • 1999-2000: Sport; 6Cyl 4.0L GAS, FI, VIN "X";
  • 1999-2000: XLS; 6Cyl 4.0L GAS, FI, VIN "X";
are several filters that willfit your vehical

Nov 22, 2009 | 1996 Ford Explorer

1 Answer

I have a 98 ford explore sport 4.0 SOHC 4x4. I


The injectors may be showing bad because of the stuff that you put into the fuel tank. It will work itself through. If the system is showing lean fuel, replace the O2 sensor if it has over 100,000 miles on it. It directly controls the fuel/air mixture. Replace the fuel filter, don't try to clean it. If things still aren't running right, check the fuel pressure on the fuel rail located over the injectors at the the test port (which looks like a tire valve). The pressure should read around 40 PSI with the engine running. Any reading much lower suggests a worn fuel pump or a defective fuel pressure regulator. You can rent a kit that checks the pressure safely.

Oct 20, 2009 | 1998 Ford Explorer

1 Answer

P2195 CODE ON 2003 FORD EXPLORER SPORT TRAC 4.O SOHC. I CHANGED OUT ALL THREE OXYGEN SENSORS, AS ADVISED, AND STILL COMING UP WITH P0171, P0174, AND NOW P2195. HAVE ALSO CHECKED ELECTRICAL CONNECTIONS,...


Hello,
Very common concern with the Explorer, Explorer Sport Trac and Ranger with the 4.0l SOHC engine! The upper and lower intake manifold gaskets fail, causing vacuum leaks..It can be Extremely difficult to detect these leaks, because they only leak intermittently (usually in the AM after a cold soak)... As the engine warms up they seal back up! Sometimes the vehicle will idle rough, surge or stall after initial start up, then the symptoms will clear after it gets to operating temperature... Usually there will be no driveability symptoms at all, except the engine light coming on and setting lean codes.. The gaskets have been redesigned to correct this concern..


Bill Andrade Ford Master Technician/ASE Master Technician

Sep 22, 2009 | 2003 Ford Explorer Sport Trac

2 Answers

Firing order


that is true your firing order is wrong here is a link to a web sight that has all the 1998 explorers 6cyl just click on the one that your explorer is and it'll show you the correct firing order also make sure you have your plugs gaped right good luck.
http://autorepair.about.com/library/firing_orders/bl-ford-firing-98.htm

Mar 22, 2009 | 1998 Ford Explorer

3 Answers

Pcv valve :where is it located on a 1999 ford explorer sport 2wd


It is located at the back of the engine near the fire wall. It is gray with a T connector at the top with two hoses coming off of the T and going forward into the intake manifold.

Feb 10, 2009 | 1999 Ford Explorer

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