Question about 2004 Chevrolet S-10

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Y my check engine stays on

I replace gas cap.oxigen sensor 2 of then and the mass air flow.and stays on?

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Just because code is for sensor does not mean that is the problem.  The sensor could be simply telling telling you that it is not getting correct reading due to catalytic converter going bad.  Are you trying to self diagnose? That is what mechanic needs to do.

Posted on Dec 10, 2008

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Posted on Jan 02, 2017

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03 Nissan Altima showing codes P0304,P0102,P0154,P0113 what are they and how do i repair the problems.


Hi Chris.

p0304 = Number 4 Cylinder Misfire Detected

Faulty spark plug 4
Clogged or faulty fuel injector 4
Faulty ignition coil 4
Fuel injector 4 harness is open or shorted
Fuel injector 4 circuit poor electrical connection
Ignition coil 4 harness is open or shorted
Ignition coil 4 circuit poor electrical connection
Insufficient cylinder 4 compression
Incorrect fuel pressure
Intake air leak

The P0304 code means that the cylinder 4 is misfiring or is randomly misfiring. Start by checking for intake leaks an if no leaks are found the next step is to replace the spark plugs on cylinder 4.


p0102 = Mass or Volume Air Flow Circuit Low Input

Faulty mass air flow sensor
Intake air leaks
Dirty mass air flow sensor
Dirty mass air filter
Mass air flow sensor harness is open or shorted
Mass air flow sensor circuit poor electrical connection

Before 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.


p0154 = O2 Sensor Circuit No Activity Detected Sensor 1 Bank 2

Faulty Front Heated Oxygen Sensor Bank 2
Front Heated Oxygen Sensor Bank 2 harness is open or shorted
Front Heated Oxygen Sensor Bank 2 circuit poor electrical connection
Inappropriate fuel pressure
Faulty fuel injectors
Intake air leaks may be faulty
Exhaust gas leaks

Replacing the Front Heated Oxygen Sensor Bank 2 usually takes care of the problem.


p0113 = Intake Air Temperature Sensor 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

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.



Hope this helps
FYT

http://www.autocodes.com/make/nissan

Mar 26, 2017 | Nissan Cars & Trucks

1 Answer

We are replaced engine for 2000 Audi A6 Quattro, check eng was "on", we are replaced Oxigen Sencor and Mass Air Flow Senser, everything was fine, eng, works good, then car seating a while and appeare


p1423 p1411
u either forgot to put the hoses at the air motor or air motor not working.the location is at the passenger side in front of engine behind bumper and right beside the a/c dryier.looks like a blower....
p1227 can not remember......
check light went on when the engine got warm?

Sep 19, 2014 | 2000 Audi A6

1 Answer

2001 toyoto 4runner engine light on


Had same problem a couple years ago. It was my oxygen sensor. But to make sure, take your car to Autozone and ask them to diagnose the check engine light. Could be something a simple as gas cap, or Mass Air Flow Sensor which is located on air filter housing line which is located right before air filter. Buy a spray cleaner for sensor CRC Mass Air Flow Cleaner 3-4 bucks, and see if that works. Your car will pick up some horse power. If that doesn't help then get a new gas cap. (You prob need a new one anyways). If that doesn't solve problem then it prob is the oxygen sensor. That will run you like 120-150. Replace it yourself don't take it to mechanic it is a real easy fix just make sure u don't touch new sensor. Well that's about all I can think of so good luck my friend!

Jul 01, 2014 | 2001 Toyota 4Runner

1 Answer

ISUZU TROOPER 3.2 V6 CODE P0101


P0101 ISUZU - Mass Air Flow Circuit Performancexicon.jpghttp://engine-codes.com/p0101_isuzu.htmlForum CodePossible 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 notes Before 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

Jul 04, 2012 | 2001 Isuzu Trooper

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

Had Po171 code due to failed emissions test..check engine light is on..So I had the mass air flow sensor replace, bothe oxygen sensors, pcv valve, air filter and also had tune-up and check engine light is...


replace the gas cap.. unless your car loss power when u give it gas.. and when u c a hill and it does not have power.. then its not the air mass flow sensor.. however u did everything but the gas cap

Jan 16, 2012 | Cars & Trucks

1 Answer

After my car stalling and then starting and not staying running longer than a minute we replaced the fule filter, fuel pump, and fuel pump strainer. Now it runs and drives, but it idles high around 1.5 to...


Remove the mass air flow,and clean it with intake cleaner spray,or mass air flow cleaner spray,if this does not help,reset the system again,by removing the negative battery cable for at least 20 seconds,then put it back on,if this does not help,replace the mass air flow sensor

Oct 25, 2011 | 1995 Ford Windstar

2 Answers

I have replaced EGR,pvc,plugs,wireset, cap rotor,fuel filter air filter,oil sensor,and my engine still idles high and some times wants to try and cut off.I have also replaced any damaged vacuum lines.My...


check aux air control valve , thats what controls the idle it may be bad,also with that kind of mileage i would replace the mass air flow sensor ,do that first, good luck , the mass air flow sensor has alot to do with your gas mileage .

Nov 07, 2009 | 1993 Nissan Pickup

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