Question about 1998 Dodge Ram 1500 4WD

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P0171 code Is there a MAF sensor on a 1998 ram 5.2L? If so where is it on the engine?

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  • bobcin24 Mar 04, 2009

    I got 8 codes all together P0300 thru P0306, and the P0171. The truck ran like ****. Worse than when my converter went bad. No power, hesitation, backfire, and the more throdle the slower it would go. I replaced the O2's. I have had a P0302 for 2 years seems to come when its damp and rainy. Then it will go away when the weather gets better. The 8 codes came after i got a half tank of sunoco gas. Thought it might be the gas. Could it be the fuel pump? MAP? Not sure what to do, I do all the work on the truck my self. Don't trust any of the dodge dealers around where i live! Thanks!

  • bobcin24 Mar 04, 2009

    Thats great never thought about the intake gaskets. Did change the cap and rotor about 2 years ago. Better to do it again? Should i go with better than stock replacements? Will that cause me any problems? I always put good 8 or 9mm wires on my 66 dodge. What about the vac leak, any ideas on where to start looking? Thank You!!

  • bobcin24 Mar 04, 2009

    It's a 1966 Dodge Polara, 2 door 383 with 27,047 origional miles. Everything is origional down to the wipers Car never saw rain or snow. Its white with a red int.

    What do you think of Mallory or any of the other brands?

  • mike loshbough
    mike loshbough May 11, 2010

    171 is a lean code not a mass air flow check for vacuum leak

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These engines are know for leaky intake gaskets also replace your cap and rotor.

Posted on Mar 04, 2009

  • mike loshbough
    mike loshbough Mar 04, 2009

    vacuum leak from the intake gasket is common .go with beldon wires get your parts at napa.what kind of 66 do you have as you can see by my handle i have a charger.please rate this solution thanks!

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I have a 1998 dodge ram 4x4 with a 5.9, engine has been idleing rough, it idles fine for about 30 seconds then runs rough, almost to stalling, also the gas mileage is like 3 miles to the gallon. i had it...


If the speed sensor code is coming up change it. the sensor went out on my truck and it would die when i was slowing down and hit the clutch to downshift

Jan 26, 2013 | 1998 Dodge Ram 1500 4WD

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My engine light light is on i took the car to O`REILLY the scan the car and the code is PO171,i just want to know was is that code for


p0171 is system to lean ( bank 1 ). one of the most common causes for a p0171 is a dirty mass air flow sensor ( MAF ). just clean or replace maf sensor. use maf sensor cleaner found at most auto parts stores. do not use any other cleaner. disconnect air tube just ahead of sensor, and then spray the cleaner through the screen at the wire element on the maf sensor,let cleaner soak in for several minutes. then give it another shot of cleaner. let it set another 5 minutes. then reconnect air tube and start engine. or you can follow directions on back of maf spray can. if the lean code comes back, you may have to replace maf sensor. unless you have a vacuum leak. Ford p0171 AND p0174 lean codes can also be set by a bad EGR differential pressure sensor. These sensors have a very high failure rate once a vehicle has more than about 60,000 miles on the odometer or is more than five or six years old. hope this helps !

May 28, 2011 | Ford Escort Cars & Trucks

2 Answers

Code


Basically this means that an oxygen sensor in bank 1 detected a lean condition (too much oxygen in the exhaust).

A code P0171 may mean that one or more of the following has happened:
The MAF (Mass Air Flow) Sensor is dirty or faulty. Note: The use of "oiled" air filters (K&N, etc.) can cause the MAF to become dirty if the filter is over-oiled

There could be a vacuum leak downstream of the MAF sensor.

You need to clean your MAF (most likely) use brake cleaner or something like it. Just spray the ***** down.

Hope helped (remember rated this and comment this help).

Mar 03, 2010 | 1998 Mitsubishi Eclipse

1 Answer

Dtc p0171 code


DTC and P0171 or 0174 are telling you that the O2 sensors has detected too much oxygen in the fuel mix on either bank 1 or 2 of the engine.
In you air intake you will find a square port with an electrical plug on it. Remove the intake hose, and plug, as you look inside th MAF it will look like a honey comb. You will see avery fine wire, this is the sensor, DO NOT TOUCH IT , purchase a can of Mass air flow sensor cleaner. Remove the MAF and spray down the sensor. DO NOT TRY TO DRY IT WITH ANYTHING, it will dry quickly. Re-assemble. You may not notice any difference, but when we do this it always seems the vehicle has more power.

Feb 05, 2010 | 1998 Oldsmobile Regency

1 Answer

99 CHEVY trouble shoot code P0171


LEAN TROUBLE CODES (P0171 or P0174) A code P0171 or P0174 indicate the engine is running lean. This means there is too much air and/or not enough fuel. You can confirm the engine is running lean by looking at Short Term Fuel Trim (STFT) and Long Term Fuel Trim (LTFT). Normally, STFT and LTFT should be plus or minus 8 from zero. If STFT and/or LTFT are more than about +10 or higher, it indicates the engine is running LEAN. Negative numbers (-10 or more) indicates the engine is running RICH. A lean fuel condition can be caused by:

* Low fuel pressure due to a weak pump or leaky fuel pressure regulator. (use a fuel pressure gauge to check fuel pressure at idle)

* Dirty fuel injectors. (try cleaning the injectors)

* Vacuum leaks at the intake manifold, vacuum hose connections or throttle body. (Use a vacuum gauge to check for low intake vacuum)

* Leaky EGR valve. (Check operation of EGR valve)

* Leaky PCV Valve or hose. (Check valve and hose connections)

* Dirty or defective Mass Airflow Sensor (MAF). (Try cleaning the MAF sensor wires or filament with aerosol electronics cleaner. Do NOT use anything else to clean the sensor, and do not touch the sensor wires)

______________________________-- Causes A code P0171 may mean that one or more of the following has happened:
  • The MAF (Mass Air Flow) Sensor is dirty or faulty. Note: The use of "oiled" air filters may cause the MAF to become dirty if the filter is over-oiled. There is also an issue with some vehicles where the MAF sensors leak the silicone potting material used to protect the circuitry.
  • There could be a vacuum leak downstream of the MAF sensor.
Possible Solutions Possible solutions include:
  • In the vast majority of cases, simply cleaning the MAF sensor does the trick. Consult your service manual for it's location if you need help. I find it's best to take it off and spray it with electronics cleaner or brake cleaner. Make sure you are careful not to damage the MAF sensor, and make sure it's dry before reinstalling
  • Inspect all vacuum and PCV hoses, replace if necessary
  • Check for a dirty fuel filter and proper fuel pressure

Jan 02, 2010 | 2001 Dodge Ram 1500 Truck 2WD

2 Answers

99blazer s10 trouble codes p171/p174


P0171 - System Too Lean (Bank 1)
Basically this means that an oxygen sensor in bank 1 detected a lean condition (too much oxygen in the exhaust). On V6/V8/V10 engines, Bank 1 is the side of the engine that has cylinder #1.

A code P0171 may mean that one or more of the following has happened:
  • The MAF (Mass Air Flow) Sensor is dirty or faulty. Note: The use of "oiled" air filters may cause the MAF to become dirty if the filter is over-oiled. There is also an issue with some vehicles where the MAF sensors leak the silicone potting material used to protect the circuitry.
  • There could be a vacuum leak downstream of the MAF sensor.
Possible solutions include:
  • In the vast majority of cases, simply cleaning the MAF sensor does the trick. Consult your service manual for it's location if you need help. I find it's best to take it off and spray it with electronics cleaner or brake cleaner. Make sure you are careful not to damage the MAF sensor, and make sure it's dry before reinstalling
  • Inspect all vacuum and PCV hoses, replace if necessary
  • Check for a dirty fuel filter and proper fuel pressure

P0174 is identical to P0171, except it indicates the problem exists on Bank 2 as well.

Nov 22, 2009 | 1999 Chevrolet S-10 Pickup

1 Answer

1998 toyota camry , 2 codes, p0171. + p1133


P0171 lean code. Clean the maf sensor. A f sensor is inthe exhaust pipe.

Oct 25, 2009 | 1998 Toyota Camry

1 Answer

PO171 CODE


Answer courtesy of www.obd-codes.com

Basically this means that an oxygen sensor in bank 1 detected a lean condition (too much oxygen in the exhaust). On V6/V8/V10 engines, Bank 1 is the side of the engine that has cylinder #1.


A code P0171 may mean that one or more of the following has happened:
  • The MAF (Mass Air Flow) Sensor is dirty or faulty. Note: The use of "oiled" air filters may cause the MAF to become dirty if the filter is over-oiled. There is also an issue with some vehicles where the MAF sensors leak the silicone potting material used to protect the circuitry.
  • There could be a vacuum leak downstream of the MAF sensor.

Oct 07, 2009 | 1998 Ford Explorer

1 Answer

1999 Dodge Ram 1500 Pickup error code p0171


This code means that system to lean, bank 1.
some of the possible causes to make this code set are
1. intake or exhaust leak,
2. problem with the air system.
3. MAF (Mass Air Flow sensor)VAF sensor (Volume air flow sensor)
4. fuel pressure/pump
5. injector(s)
6. HO2S (Oxygen sensor)

Sep 15, 2009 | 2003 Jaguar Vanden Plas

1 Answer

Check engine light code P0171 activated on my 2001 toyota corolla


p0171 is lean condition bank one. you could have a vacuum leak a bad map sensor bad maf sensor clogged fuel filter low fuel pressure. start with the vacuum leak first.

May 05, 2009 | 2001 Toyota Corolla

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