Question about 1998 Chevrolet S-10 Pickup

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94 s10 2.2 code 25 intake air sensor check engine light on

Has no back bumper. Service engine light comes on . Code 25 Intake air problem. Truck seems to run a little ragged.

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

  • 36 Answers

SOURCE: engine looses power going up hill, no check engine light at this time.

How old is the Catalytic Converter, sometimes they will get clogged up and affect performance.
Good luck

Posted on Aug 26, 2008

  • 14 Answers

SOURCE: Check Engine Light - O2 Sensor - bank 1 running lean

you should have three oxygen sensors on your car, one for each bank of three cylinders; should be towards the Y pipe on each exhaust manifold. Additionally you should have one on the exhaust pipe before the cadilitic converter.

Posted on Nov 20, 2008

emissionwiz
  • 75822 Answers

SOURCE: O2 check engine light

U may indeed have a faulty MAF or O2 sensor, the way to tell if the MAF or a vacuum leak is at issue is that both O2's will code lean, if only one codes lean then it is most likely just a faulty O2 sensor, I don't have your codes but this is the way we do things at the dealer for problems like yours. Remember the O2's are before the Cat's., after the Cat's they are called Cat efficiency monitors in the book.

Posted on Jan 03, 2009

STEVIE_N_24
  • 147 Answers

SOURCE: CHECK ENGINE LIGHT ON , WITH CODE SYSTEM TOO LEAN

Possible failed bank 1 sensor 1 oxygen sensor..

Posted on Mar 29, 2009

  • 8 Answers

SOURCE: 2006 trailblazer po 411 code check engine light comes on and off over time is it a sensor or the air pump?

Check all your vacume lines one may have a crack in it

Posted on Apr 21, 2009

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3 Answers

Engine code p110


P0303 Code - Cylinder #3 Misfire
P0110 DTC - IAT Circuit Malfunction
P2195 O2 Sensor Signal Biased/Stuck Lean (Bank 1 Sensor 1) Code
Potential causes of a P2195 code include:
p2195
p219521
  • Oxygen (O2) or A/F ratio sensor or sensor heater malfunction
  • Open or short in O2 sensor circuit (wiring, harness)
  • Fuel pressure or fuel injector problem
  • Faulty PCM
  • Intake air or engine vacuum leaks
  • Faulty fuel injector(s)
  • Fuel pressure too high or too low
  • PCV system leak/fault
  • A/F sensor relay faulty
  • MAF sensor malfunction
  • ECT sensor malfunction
  • Fuel pressure too low
  • Fuel leak
  • Air suction in air intake system
  • A code P0303 may mean that one or more of the following has happened:
  • Faulty spark plug or wire
  • Faulty coil (pack)
  • Faulty oxygen sensor(s)
  • Faulty fuel injector
  • Burned exhaust valve
  • Faulty catalytic converter(s)
  • Running out of fuel
  • Poor compression
  • Defective computer
  • Potential causes of the P0110 DTC include:

  • po110
    • IAT sensor shifted out of airflow
    • Bad IAT sensor
    • Shorted to ground or open on signal circuit to IAT
    • Open in ground circuit to IAT
    • Poor connection at IAT (backed out terminals, broken connector locks, etc.)
    • Bad PCM

Sep 25, 2014 | 2003 Ford Focus

1 Answer

Undefinedas replacement on civic 98 sensor p0113


Possible causes for this code are: - Faulty Intake Air Temperature (IAT) sensor
- Dirty air filter
- Intake Air Temperature (IAT) sensor harness is open or shorted
- Intake Air Temperature (IAT) sensor circuit poor electrical connection. this code sets when: - An excessively high voltage from the sensor is sent to ECM. Usual Possible symptoms - Engine Light ON (or Service Engine Soon Warning Light) P0113 1998 Honda Civic Description The Intake Air Temperature (IAT) sensor is built into mass air flow sensor or in some vehicles mounted to the air filter duct housing. The sensor detects intake air temperature and transmits a signal to the Engine Control Module (ECM).The temperature sensing unit uses a thermistor which is sensitive to the change in temperature. Electrical resistance of the thermistor decreases in response to the temperature rise. The Intake Air Temperature signal is used as an input for various systems in the vehicle.
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Sep 24, 2014 | 1998 Honda Civic

1 Answer

89 dodge ram truck 2500 2wd code reader says 4 codes dont know what they mean p1509, p1298, p0118 andp0113


P1509 Dodge - Leak Detection Pump Switch or Mechanical Fault

P1298 Dodge - Air/Fuel Ratio Lean Under Wide Open Throttle Condition
- Plugged air filter
- Plugged fuel filter
- Defective fuel pump
- Ignition system weak-misfires
- Defective coil

P0118 Dodge - Engine Coolant Temperature Sensor Circuit High
- Low engine coolant level
- Faulty Engine Coolant Temperature (ECT) sensor
- Faulty engine coolant thermostat
- Engine Coolant Temperature (ECT) sensor harness is open or shorted
- Engine Coolant Temperature (ECT) sensor electrical circuit poor connection

P0113 Dodge - Intake Air Temperature Sensor 1 Circuit High
- Faulty Intake Air Temperature (IAT) sensor
- Dirty air filter
- Intake Air Temperature (IAT) sensor harness is open or shorted
- Intake Air Temperature (IAT) sensor circuit poor electrical connection

Dec 16, 2013 | Cars & Trucks

1 Answer

2000 Ford F 150 Lightning. 5.4 supercharged. Keep


code p0171 refers to system too lean bank 1===causes --intake/ exhaust leak. AIR system---MAF?VAF sensor--fuel pressure/pump--injectors. HO2S
code po174 refers to system too lean bank 2===causes -intake/exhaust leak--fuel pressure /pump--injectors--AIR system---hose connection/s. You have ruled out the fuel pressure and pump so eliminate that from the causes. You have checked the o2 sensors so they can be ruled out. The MAF has been checked so rule that out. You are left with the AIR sensor and VAF sensor. and last the intake/ exhaust leaks. Check the gaskets on the exhaust manifold and the bolts are tight. Check for cracks in the manifold underneath. Check the cat converter for correct operation as that will affect the O2 sensor readings. Lastly if you have replaced any sensors with non genuine items they may be affecting the cpu checking processes and affecting the engine settings for economy. Ford and GMC have a mixture of OB2 and their OEM computer readings so you may have to talk with a ford service department to get that answer for 21

Aug 03, 2013 | Ford F-150 Cars & Trucks

1 Answer

Down to the final OB code on my truck...Po174


P0174 FORD - Fuel Injection System Too lean Bank 2xicon.jpghttp://engine-codes.com/p0174_ford.htmlForum CodePossible causes- Intake air leaks
- Faulty front heated oxygen sensor
- Ignition misfiring
- Faulty fuel injectors
- Exhaust gas leaks
- Incorrect fuel pressure
- Lack of fuel
- Faulty Mass Air Flow (MAF) sensor
- Incorrect Positive Crankcase Ventilation (PCV) hose connection Tech notes The codes is usually set when there is an intake leak after the air flow meter, before replacing any parts check for loose or broken hoses and intake gasket leak. On Ford some models dirty air filter, and dirty or faulty air flow sensor are the cause of the problem.

It's a very common problem for the Ford Windstar. Here a link to a web site with information how to repair:
When is the code detected?- Fuel injection system does not operate properly.
- The amount of mixture ratio compensation is too small. (The mixture ratio is too lean.) Symptoms- Engine Light ON (or Service Engine Soon Warning Light)
- Excessive Fuel ConsumptionP0174 FORD Description The Powertrain Control Module (PCM) monitors the engine Air/Fuel mixture ratio, the actual mixture ratio can be brought closely to the theoretical mixture ratio based on the mixture ratio feedback signal from the heated oxygen sensors 1. The PCM calculates the necessary compensation to correct the offset between the actual and the theoretical ratios.

In case the amount of the compensation value is extremely large (The actual mixture ratio is too lean.), the PCM judges the condition as the fuel injection system malfunction and light up the engine light.

Oct 08, 2012 | Cars & Trucks

1 Answer

2008 gracherokee hemi and i had problem


Code 430 is for the catalytic converter on bank two not working correctly.
Code 1521 is for incorrect engine oil type or weight.
Code 153 is for O2 sensor bank 2 sensor one not switching.
Code 113 is for the intake air temp sensor saying the intake air is over 200 degrees.
I would clear the codes and see how many come back before I try to fix anything.
The last code could make the truck not start so you may want to look at the temp sensor. It may be unplugged or shorted to ground.
The code 153 could be a faulty sensor which could cause code 430.

Aug 18, 2012 | Jeep Grand Cherokee Cars & Trucks

1 Answer

Check engine lght on and 2 codes p0103 and p0112


P0103 HYUNDAI - Mass or Volume Air Flow Circuit High InputPossible causes- Dirty mass air flow sensor
- Dirty mass air filter
- Mass air flow sensor harness is open or shorted
- Mass air flow sensor electrical circuit poor connection
- Intake air leaks
- Faulty mass air flow sensor
Tech notesBefore replacing the mass air flow sensor, try replacing the air filter and cleaning the air flow sensor with low compress air or mass air flow sensor cleaner. Reset code and drive vehicle. If the code comes back, it may be necessary to replaced the mass air flow sensor.
P0112 HYUNDAI - Intake Air Temperature Sensor 1 Circuit Low InputPossible causes- Dirty air filter
- Intake air temperature (IAT) sensor harness is open or shorted
- Intake air temperature (IAT) sensor electrical circuit poor connection
- Faulty intake air temperature sensor
When is the code detected?An excessively low voltage from the sensor is sent to ECM.

Jun 08, 2012 | 2001 Hyundai Accent

1 Answer

I have replaced all 4 ox senors before I replaced intake man. gaskets. It is a 97 chevy W/Truck with a V6 auto, auto trans. 2WD. now service engine soon light came on after about 200 miles, it will go off...


First did you clear all the fault codes after your repairs? The reason I ask is po131 is bank one oxygen sensor, po174 is engine lean from faulty oxygen sensor, and po171 is engine lean condition, possibly from vacuum leak (intake manifold gasket?), pcv valve,etc. To check for vacuum leak at intake, start engine and gently spray starting fluid around intake gasket. If rpm raise slightly while doing this then there is a vacuum leak(stay away from air filter intake and housing though), and the gasket will need to be replaced again.

Jan 09, 2010 | 1997 Chevrolet C1500

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