Question about 2003 Chevrolet Silverado 2500HD

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Reset the engine on light

How do I reset the engine on light after I replace sensor and air filter?

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Go to auto zone they can reset it

Posted on May 11, 2010

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Try disconecting your battery for 12 hours if that doesnt work you need to get the coedes cleared at a parts or mechanics shop

Posted on May 05, 2010

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How to reset check engine light?


First replace the bank 2 sensor 1 O2 sensor. p0051 is that sensor heater circuit. These codes are always the O2 sensor, unless you see the wires are melted against the exhaust manifold. Once replaced the light will eventually go out. A code reader or scanner will turn it off.

Aug 07, 2016 | Cars & Trucks

3 Answers

2003 Nissan Altima 2.5L Service Engine Soon Light is on, Auto Zone says codes are for MAF and O2 Sensors. Car hard to start after driving a while but when starts appears to run smooth. Auto Zone thi


ok lets start with the codes they say your getting. P??? which 1's and how many. there are few o2 sensors, are they next to the Exhaust next to the converter? MASS AIR FLOW -MAF use this, for now i am guessing, until i see the correct codes your are getting. this could be the 1 you may have below, please read it........
  • P0103
    Mass Air Flow Sensor Circuit High Input
  • Possible causes
  • 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.
  • possible symptoms Engine Light ON (or Service Engine Soon Warning Light)
    - Engine stall
    - Engine running rough
    - Excessive fuel consumption
    - Excessive smoke
  • the code is generated when An excessively high voltage from the sensor is sent to Engine Control Module (ECM).
2003 NISSAN Altima Sedan OBDII Codes List

Oct 22, 2014 | 2003 Nissan Altima

1 Answer

2008 Chevy Kodiak c4500 duramax desiel code reader (Innova 3100 Can OBD2) shows P0102, what does it mean


P0102 Chevrolet - Mass or Volume Air Flow Circuit Low Input

Read more: http://engine-codes.com/p0102_chevrolet.html#ixzz38p5k1ZD8

Possible causes - 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.


Read more: http://engine-codes.com/p0102_chevrolet.html#ixzz38p5tpWZk

Jul 28, 2014 | Cars & Trucks

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 light is on...have replaced plugs,plug wires,massive airflow sensor,air filter,fuel filter,pulled fuel pump...seems to be ok...can still feel slight hesitation while accelerating thru...


Some check engine lights need to be reset by the OBD-II code reader. It's also possible that you've solved 98% of your problem but there's still 1 problem left (possible clogged fuel injector?) that's pulling a different error code. (possibly P0301-P0312 misfire or P0262-P0295 injector)

Best bet is to go to 1 of the auto parts chain stores that provide free diagnostic tests. If it's just a lingering old error code it will be reset or if it's something new, you'll know exactly what the issue is.

Aug 06, 2011 | 2000 Hyundai Accent

1 Answer

VSC light and check engine light intermittently coming on. some time transmission fees sluggish too are these related> ls400 159K miles


Yes. Did you recently have the oil changed?Air Filter? Alot of techs accidentally disconnect hoses to Air Filter housing. Check hoses, Oxygen sensor could need replacement. Try reseting the sensor lights by disconnecting the negative (-) battery cable for 20 seconds then reconnect and start car. Lights should be reset. If they come back on take to dealer or to AutoZone where they can do a free analysis of engine codes

Jun 04, 2009 | 1993 Lexus Ls 400

1 Answer

Check engine light has come back for the second time after having change the air filter and resetting. Now receiving a code: P0101 What do I do now?


Probably carbon build up on a sensor. Had this happen on a Ford Expedition. I put it on the highway and hammered it several times. It blew the carbon off the sensor. Light went away.

Apr 25, 2009 | 2003 GMC Yukon XL

1 Answer

2001 cheve venture (service engine soon) trouble light on


If ou fixed whatever happened during the oil change, the light will cycle off after about 3 drive cycles.

The check enine light just tells you that you are not meeting emissions right now. Only be concerned if it's flashing. That means you are sending unburned fuel to your catalytic converter whih will overheat and self destruct.

Look for a vacuum hose disconnected and check all the onnections to sensors such as, vehcile speed control sensor, mass air flow sensor, crankshaft position sensor, camshaft poition sensor, throttle position sensor, etc. Good luck.

Feb 27, 2009 | 2001 Chevrolet Venture

4 Answers

2001 toyota corolla check engine light is on. Code reads P420 low threshold. Changed front and rear Oxygen sensors reset the light and drove the car 50 miles and the light came back on. the car will not...


Mass Air Flow sensor! Just remove your air filter cover. Go to Auto Zone and purchase some solvent. Spray past the air filter and it should correct the problem. If not, replace the Mass air-flow sensor. This is commonly mistaken for an oxygen sensor. Mine did this and I followed these steps and it fixed the light. BTW, the light stayed on for 5 years before I fixed it. Never hurt anything. It's normally something to do with emissions. Dummy lights. :)

Aug 06, 2008 | 2000 Toyota Corolla

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