Question about 2002 Ford Ranger Regular Cab

Open Question

Baro sensor on ford 2002 ranger 3 liter/ where is it/ is it built into the maf sensor/there are no codes/baro sensor reading way off, reading like i am 9000 feet above sea level/reading less dense air so it has no power.

Posted by on

6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi,
a 6ya expert can help you resolve that issue over the phone in a minute or two.
best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones).
click here to download the app (for users in the US for now) and get all the help you need.
goodluck!

Posted on Jan 02, 2017

autodr
  • 260 Answers

SOURCE: Cleaning the Mass Air Flow Sensor

i will try to help. 171/174 indicates lean condition in engine. the mass air flow sensor is located in the rubber tube going to throttlebody. you can try to clean it. using mild carb cleaner safe for sensors, remove sensor from tube. spray clean the tiny wires located in the cylinder. do not touch them, they are very delicate. these engines are also notorious for leaking intake gaskets and faulty pcv valves. these will all set these 2 codes. feel free with anymore questions.

Posted on Nov 15, 2008

  • 218 Answers

SOURCE: 2002 Ford Taurus 3.0 liter trouble

THE SENDING UNIT IN THE FUEL TANK IS BAD.COMMON TAURUS PROBLEM

Posted on May 01, 2009

Molson02536
  • 3854 Answers

SOURCE: installing chip and want to double check wiring. Need to find IAT/MAF sensor diagram for 2003 Ford Ranger

Save your money, the chip is a ohm resistor at Radio Shack for under $2.00. It splices in to you IAT wire harness located at the intake tube between the air filter housing and throttle body.
Problem with this system is, that you can not adjust anything and have to run a constant 91 octane just to make sure you do not have a Detonation. The ECM will catch the Detonation from the knock sensor and compensate for it by retarding the timing which in turn lose of HP till next start up.
If you like and don't mind the check engine light on once and awhile, you can do the same by just disconnecting the IAT wire harness which give the ECM a 0 resistance thinking it's -20 out side and turn the timing up and lengths the injector pules.
When i was running a Nitro in the Toy before i sold it, i had installed a 10K ohm Potentiometer which you can buy at radio shack for under $5.00 i believe, I just spliced it in to the IAC wire harness so if i wanted to play with the Nitro I'ld turn the resistor up making the engine think it's 185 degrees F and would ****** the timing so i would not hurt the engine. But if i wanted to get more timing i would just turn the knob to drop the resistance to get more time since the engine thinks it's -20 out side.
Hope this helps. Keep me posted if you need more info. Best thing is to do a dyno tune and you can change everything right down to the Shift points.

Posted on May 29, 2009

valiantma595
  • 176 Answers

SOURCE: I have a 2005 ford ranger with 3 liter engine. I

take my advice, bro. When you're not 100% sure what the feedback had indicated, either the cam or the crank sensors. In my opinion, unless you are a professional mechanic having proper knowledge on the mechanics of this car, I would suggest you take the car to a dealer workshop and get it checked properly, because if you make a mistake and stuff the timing or interfer with the sensors and then it wont work as it should, you'll end up paying more than if you had the car serviced by a professional mechanic who specializes in this field, because these days cars have such delicate components and onboard computers, it is impossible to do the repairs yourself. This is no longer the 60-70's wehn you could fix a car yourself. Today, at the opening of your Ford's bonnet there is an intricate network of pipes, tubes, wires, anti-pollution monitors and other 'no-touch' componentry running to and from one end and another. So, to go ahead and do it youself, it would mean you first have to remove this 'component', then that 'bolt', and so on, eventually it will turn out you'll be stripping your engine and cannot recall what goes where. And, of course if you don't have the proper machines to monitor the cam dwell and timing, you'll further aggravate the problem. Although the repair manual tells you this and that but does it tell you the kind of machines and testing devices you'd need to test the sensors and or to reset the timing and cam dwell angle, or an oscilloscope to test other functions for a smooth running engine should you wish to do it yourself?

Posted on Oct 06, 2009

  • 117 Answers

SOURCE: 2002 FORD RANGER 6CYL. 4.0L I GOT A P1400 TROUBLE

Exhaust gas recirculation flow insufficient detected.
Maybe you got a bad DPFE sensor, or the pintel inside the egr valve is not opening all the way causing the insufficient flow.

Posted on May 14, 2010

Add Your Answer

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

1 Answer

Mapping codes P0107, P2263 & P2227 come up on scan tool what are these codes relating too? Ford Ranger 2008 not 2004 3.0 4 door


code p 0107 refers to manifold absolute pressure (MAP) sensor /barometric pressure (BARO) sensor --low input ====causes --wiring short to ground ---MAP sensor ---BARO sensor ---ECM
code p 2263 refers to turbo charger (TC) boost pressure /supercharger (SC) boost pressure ---performance problem====causes --mechanical fault
code p 2227 refers to BARO sensor -range / performance problem===causes wiring --- BARO sensor --- ECM
I would be testing the BARO sensor for a problem as it is listed for all 3 codes
if you don't have such a sensor you have a MAP sensor which is reading in the same area so test that as well

Oct 19, 2015 | 2004 Ford Ranger

1 Answer

Ranger problems


run fault codes and check for O2 sensor problem and MAP/MAF sensor problems. If it is misfiring then codes for injectors and plugs may also appear

Jul 18, 2014 | 2002 Ford Ranger Regular Cab

1 Answer

Error code po103 whats wrong


( MAF) Mass airflow sensor The MAF may be disconnected, or a wiring connection may be bad The MAF sensor may be damaged The vehicle computer may be bad (very rare)

Jul 13, 2014 | 2002 Ford Ranger

1 Answer

Get codes p0068 and p0108


codes p0068 refer to Manifold pressure sensor/mass air flow sensor--throttle position correlation--causes ---wiring---map sensor---maf sensor--mechanical fault.
code p0108 refers to manifold absolute pressure(map) sensor/barometric pressure (BARO) sensor--high input. causes ---wiring short to positive---map sensor---baro sensor---ecm.

Mar 28, 2013 | 2002 Dodge Intrepid

1 Answer

My 97 mercury cougar xr7 is burning way too rich and is idleing rough.what can i do


Get a PCM test for fault codes. It could be an oxygen sensor or MAF sensor. Free test at AUtozone if check engine light is on.
Clean MAF sensor heated wires with carb cleaner by spraying seveal times. Do not brush it. Disconnect battery for 2 hours and then drive for 10 miles after hook up.

SERVICE TIP MASS AIR FLOW (MAF) DISCUSSION MAF sensors can get contaminated from a variety of sources: dirt, oil, silicon, spider webs, potting compound from the sensor itself, etc. When a MAF sensor gets contaminated, it skews the transfer function such that the sensor over-estimates air flow at idle (causes the fuel system to go rich) and under-estimates air flow at high air flows (causes fuel system to go lean). This means Long Term Fuel Trims will learn lean (negative) corrections at idle and learn rich (positive) corrections at higher air flows. If vehicle is driven at Wide Open Throttle (WOT) or high loads, the fuel system normally goes open loop rich to provide maximum power. If the MAF sensor is contaminated, the fuel system will actually be lean because of under-estimated air flow. During open loop fuel operation, the vehicle applies Long Term Fuel Trim corrections that have been learned during closed loop operation. These corrections are often lean corrections learned at lower air flows. This combination of under-estimated air flow and lean fuel trim corrections can result in spark knock/detonation and lack of power concerns at WOT and high loads. One of the indicators for diagnosing this condition is barometric pressure. Barometric pressure (BARO) is inferred by the Powertrain Control Module (PCM) software at part throttle and WOT (there is no actual BARO sensor on MAF-equipped vehicles, except for the 3.8L Supercharged engine). At high air flows, a contaminated MAF sensor will under-estimate air flow coming into the engine, hence the PCM infers that the vehicle is operating at a higher altitude. The BARO reading is stored in Keep Alive Memory (KAM) after it is updated. Other indicators are Long Term Fuel Trim and MAF voltage at idle. NOTE: THE FOLLOWING PROCEDURE MAY ALSO BE USED TO DIAGNOSE VEHICLES THAT DO NOT HAVE FUEL SYSTEM/HO2S SENSOR DTCs. Symptoms
  • Lack of Power
  • Spark Knock/Detonation
  • Buck/****
  • Hesitation/Surge on Acceleration
  • Malfunction Indicator Lamp (MIL) Illuminated - DTCs P0171, P0172, P0174, P0175 may be stored in memory
OBDII DTCs
  • P0171, P0174 (Fuel system lean, Bank 1 or 2)
  • P0172, P0175 (Fuel system rich, Bank 1 or 2)
  • P1130, P1131, P1132, (HO2S11 lack of switching, Bank 1)
  • P1150, P1151, P1152, (HO2S21 lack of switching, Bank 2)
OBDI DTCs
  • 181, 189 (Fuel system lean, Bank 1 or 2)
  • 179, 188 (Fuel system rich, Bank 1 or 2)
  • 171, 172, 173 (HO2S11 lack of switching, Bank 1)
  • 175, 176, 177 (HO2S21 lack of switching, Bank 2)
  • 184, 185 (MAF higher/lower than expected)
  • 186, 187 (Injector pulse width higher/lower than expected)
NOTE: DO NOT DISCONNECT THE BATTERY. IT WILL ERASE KEEP ALIVE MEMORY AND RESET LONG TERM FUEL TRIM AND BARO TO THEIR STARTING/BASE VALUES. THE BARO PARAMETER IDENTIFICATION DISPLAY (PID) IS USED FOR THIS DIAGNOSTIC PROCEDURE. ALL OBDII APPLICATIONS HAVE THIS PID AVAILABLE. THERE ARE SOME OBDI VEHICLES THAT DO NOT HAVE THE BARO PID, FOR THESE VEHICLES OMIT THE BARO CHECK AND REFER ONLY TO STEPS 2, 3, AND 4 IN THE DIAGNOSTIC PROCEDURE.
  1. Look at the BARO PID. Refer to the Barometric Pressure Reference Chart in this article. At sea level, BARO should read about 159 Hz (29.91 in. Hg). As a reference, Denver, Colorado at 1524 meters (5000 ft.) altitude should be about 144 Hz (24.88 in. Hg.). Normal learned BARO variability is up to ±6 Hz (±2 in. Hg.). If BARO indicates a higher altitude than you are at (7 or more Hz lower than expected), you may have MAF contamination. If available, Service Bay Diagnostic System (SBDS) has a Manifold Absolute Pressure (MAP) sensor that can be used as a barometric pressure reference. Use "MAP/BARO" test under "Powertrain," "Testers and Meters." Ignore the hookup screen. Connect GP2 to the reference MAP on the following screen. NOTE: REMEMBER THAT MOST WEATHER SERVICES REPORT A LOCAL BAROMETRIC PRESSURE THAT HAS BEEN CORRECTED TO SEA LEVEL. THE BARO PID, ON THE OTHER HAND, REPORTS THE ACTUAL BAROMETRIC PRESSURE FOR THE ALTITUDE THE VEHICLE IS BEING OPERATED IN. LOCAL WEATHER CONDITIONS (HIGH AND LOW PRESSURE AREAS) WILL CHANGE THE LOCAL BAROMETRIC PRESSURE BY SEVERAL INCHES OF MERCURY (±3 Hz, ±1 in. Hg.). NOTE: BARO IS UPDATED ONLY WHEN THE VEHICLE IS AT HIGH THROTTLE OPENINGS. THEREFORE, A VEHICLE WHICH IS DRIVEN DOWN FROM A HIGHER ALTITUDE MAY NOT HAVE HAD AN OPPORTUNITY TO UPDATE THE BARO VALUE IN KAM. IF YOU ARE NOT CONFIDENT THAT BARO HAS BEEN UPDATED, PERFORM THREE OR FOUR HEAVY, SUSTAINED ACCELERATIONS AT GREATER THAN HALF-THROTTLE TO ALLOW BARO TO UPDATE.

May 01, 2010 | 1997 Mercury Cougar XR7

1 Answer

Check engine light is on: engine idles rough


IT SOUNDS LIKE THE IAC (IDLE AIR CONTROL) MOTOR IS BAD OR GOING BAD, BUT THE QUICK SOLUTION IS GO TO ANY AUTO ZONE,OR ADVANCE AUTO PARTS STORE, AND THEY WILL CHECK IT FOR FREE,& TELL YOU WHAT SIGNAL CODE MADE THE CHECK ENGINE LIGHT COME ON, I WOULD DO THAT JUST TO BE FOR SURE, BECAUSE THERE ARE A FEW OTHER THINGS THAT CAN CAUSE IT AS WELL,SUCH AS MAF SENSOR DIRTY,OXY SENSOR GETTING A BAD READING,ETC.

Dec 05, 2009 | 2002 Ford Ranger Regular Cab

2 Answers

Geting code po171 & po174


This is an indication that the PCV Elbow Hose is cracked or eroded. Also check the fuel filter.
Either of these 2 are faulty. Replace them, it will be solved.
Thank you Sir, Have a nice day.

Sep 21, 2009 | 2002 Ford F150 Regular Cab

1 Answer

2002 Ranger 4L v6 engine light stays on. Quick trouble shoot showed both banks were lean. What might be the cause?


A dirty Mass Air Flow Sensor (MAF) will cause and lean condition and also and dirty IAT will give you a lean condition. If you are using a oil charged air filter like K&N, droplet of oil will make there way to the MAF sensore and IAT causing them to give the wrong readings. You can buy a can of MAF sensor cleaner and clean both sensors. Make sure it's a MAF cleaner and follow the instructions. Good luck and hope this helps. Keep me posted, there are other reasons but this is the most common. 

Jun 27, 2009 | 2002 Ford Ranger Regular Cab

Not finding what you are looking for?
2002 Ford Ranger Regular Cab Logo

Related Topics:

121 people viewed this question

Ask a Question

Usually answered in minutes!

Top Ford Experts

yadayada
yadayada

Level 3 Expert

75117 Answers

Colin Stickland
Colin Stickland

Level 3 Expert

22095 Answers

fordexpert

Level 3 Expert

5474 Answers

Are you a Ford Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...