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Fuel too lean on bank 2 on 1999 ford f150 6 cyl. 4.2

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Gday mate, geoff here, well there should be at the end of each rail a vauum hose on a metal disc,daiphram, best to start with connections there, actually disconnect the vacuum hose while running and check for difference, thats where i would start, being computer controled however there may be a need to check computer / fault diagnosis codes,geoff.

Posted on Feb 11, 2012

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Posted on Jan 02, 2017

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SOURCE: Ford Windstar 1996 Trouble Codes P0171, P0141, P0161, and P0174

Bank one is toward the front of the vehicle. Sounds like the heated oxygen sensors have gone bad. The Oxygen Sensors are located in the exhaust pipe and require a special socket to remove and replace.

Posted on Jan 16, 2009

chuck943
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SOURCE: bank 1 and 2 running lean on computer scan po171,po174

Doubt it.
It would be highly unlikely for both O2 sensors to go bad. I strongly suspect they are reading what is actually happening,the engine is running lean. Probably from some un-metered air getting into the engine either from a vacuum leak or from a leak somewhere on the engine side of the mass air flow sensor. What usually causes a concern on this vehicle is the orings between the upper and lower intake manifold.

Posted on Mar 25, 2009

  • 94 Answers

SOURCE: My Navigator is running lean in bank 1 and 2 how repair myself?

On your Navigator the most likely failure that will cause a lean condition on both banks is the PCV tubing. Start at the PCV valve in the passenger side valve cover and follow it to its connection to the intake manifold, and closely inspect the rubber elbows in the tubing for vacuum leaks.

Posted on Jun 28, 2009

  • 15 Answers

SOURCE: check engine light flashing runs rough not firing on all cylinder

take of the fuel filter and blow it out. i had the same problem with a 2008 ford f150 5.4 v8.

Posted on Apr 19, 2010

  • 701 Answers

SOURCE: Q Where is the Bank 2 Sensor 2 oxygen sensor

Hello j_abell: My name is Roger and I will help you. Bank two sensor 2 will be on the drivers side of the engine. Second sensor back. behind the catalytic converter. Bank one sensor one would be on the passenger side of the motor. See attached picture.Should you need further help please just ask. Please rate the answer. This way I know it was helpful. Thank You for using Fix Ya. Rogerba35f89.jpg

Posted on Jul 27, 2010

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05 navigator codes po012 intake " A " camshaft position over ******** bank 1 po302 random misfire po302 cyl. 2 misfire po303 cly. 3 misfire po304 cyl. 4 misfire po2195 o2 stuck lean bank 1 sensor 1 po2196...


there is nothing wrong with the timing chain position . Just a series of sensors that have gone outside the set parameters so if you check and change each one you will clear the faults.

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1999 ford explorer 4 liter code says both banks are lean do all 4 sensors have to be replaced?


You almost never replace all four sensors.
Usually if all 4 sensors are reading lean, the injectors are running lean or there is a massive air leak somewhere.
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2000 ford truck 4.6 mechanical code P1131


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Failed OBDII Diagnstic trouble codes P0761 and O1744 What does this mean?


code P0761-
Possible causes - Low transmission fluid level
- Dirty transmission fluid
- Faulty shift solenoid 3 valve
- Shift solenoid 3 valve harness or connectors
- Shift solenoid 3 valve circuit is open or shorted
P0761 FORD Description Shift solenoid valve 3 is turned ON or OFF by the Transmission Control Module (TCM) in response to signals sent from the park/neutral position (PNP) switch, vehicle speed and Engine Control Module (ECM) (throttle opening). Gears will then be shifted to the optimum position. When is the code detected? The P0761 code is detected when the ECM has detected a mechanical fault with the solenoid energized, valve stuck off code O1744- is not a code these are the ones I have found that come close
P0174 1999 FORD WINDSTAR Fuel Injection System Too Lean Bank 2 P0174 2000 FORD WINDSTAR Fuel Injection System Too Lean Bank 2 P0174 2001 FORD WINDSTAR Fuel Injection System Too Lean Bank 2 P0174 2002 FORD WINDSTAR Fuel Injection System Too Lean Bank 2 P0174 2003 FORD WINDSTAR Fuel Injection System Too Lean Bank 2 P0174 FORD Fuel Injection System Too Lean Bank 2

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172 EGO not switching lean exhaust bank 1


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2001 windstar runs poor light acell has codes for both banks lean cyl 1&6 misfire and egr flow


Have the fuel pressure checked, fuel pump on the way out or fuel pressure regulator failing not enough fuel pressure.

Mar 05, 2010 | 2001 Ford Windstar

2 Answers

A po171 code came on my scanner i need to know


system too lean in bank 1. clean your mass airflow sensor, replace fuel filter. iff all else fails check you fuel pump.

Nov 06, 2009 | 1998 Ford Contour

1 Answer

Similar issue


check your mass air flow sensor and clean it if dirty use brake cleaner ,you can see the tho resister like pieces their color normal is grey

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