Question about 2003 Ford Explorer

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Can a tune up fix the problems for an 03 ford explorer that has codes p0113 and p0304?

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The 113 Code is a high temp for the incoming air which can be a bad IAT component or wiring associated with it. The 304 Code is a misfire in #4 cylinder.

Sometimes 1 problem causes another and if you work on the IAT sensor, wipe the memory Code, and restart the vehicle the 304 may stay off.

Posted on Oct 14, 2013

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Posted on Jan 02, 2017

  • 335 Answers

SOURCE: 2000 ford explorer P0113 code, replaced the MAF, cracked vacuum

P0113 code indicates that the intake air temp sensor has Hi voltage. This sensor is located in the air intake near or in the air cleaner. It is a 2 wire sensor that looks like it does nothing. It measures air temp coming into engine and then the computer knows what kind of fuel mixture it should be delivering. This may be something to look at. The reason the check engine light comes on later is that the computer only self checks at certain times. Rate me if this helps

Posted on May 18, 2009

  • 14036 Answers

SOURCE: what is code p0113 repair procedure

CODE PO113 IS THE INTAKE AIR TEMPERATURE SENSOR CIRCUIT HIGH INPUT.

Posted on Jun 10, 2010

greg_margo
  • 1959 Answers

SOURCE: I have code p0304 what

Courtesy of obd-codes.com

Symptoms:

  • the engine may be harder to start
  • the engine may stumble / stumble, and/or hesitate
  • other symptoms may also be present
Possible Causes:

  • 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

Posted on Jul 05, 2011

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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

I replaced the engine in my 2001 ford explorer. since i have codes p0102 code p0113 code p0201 code p1504 and po775. do you have any idea what i need to do


http://www.explorerforum.com/forums/showthread.php?t=228242

This shows list of codes. You have so many faults hard to know where to start. Was new engine an EXACT match for the old one? If not, did you change ECM? Appears MAF is not connected or bad, and also #1 injector circuit is bad. Others also.

Jan 15, 2015 | 2001 Ford Explorer

1 Answer

2004dodgeram1500 4.7l engine codes p0300 p0304 p0113 p0344


Hello Anonymous,maybe you can read this PDF ,it can help you,
Diagnostic Trouble Code Table .

Apr 04, 2014 | 2004 Dodge Ram 1500

1 Answer

Replaced the MAF. Still have the P0113 code. Car runs fine. Cannot find another intake air temperature sensor anywhere on the vehicle! Where is it?


code p0113 does not refer to a MAF sensor so replacing that was a waste of money=== It refers to intake air temperature (IAT) sensor---circuit malfunction====causes --wiring open circuit/short circuit to positive--wiring short circuit to ground---ground wire defective---IAT sensor---ECM.
Replace the IAT and check the wiring is in good condition and the connectors are clean and tight.

Jan 25, 2014 | 1999 Ford Explorer

1 Answer

I have explorer 2002 and i dont know what is that. Code p0304 i woulk you guys told me how can i fix it


P0304 is a number four cylinder misfire. Check the plug to see if it is carbon tracked or worn out. Make sure the wire is not carbon tracked or leaking. Make sure there is spark to that plug.

Aug 09, 2012 | 2002 Ford Explorer

1 Answer

HAVE AN 02 FORD EXPLORER WITH P0102 AND P0113 FAULT CODE.


My P0102, P113 codes turned out to be the connector to the mass air flow sensor - wasn't all the way on.

Feb 27, 2012 | 2002 Ford Explorer

1 Answer

2000 ford explorer P0113 code, replaced the MAF, cracked vacuum


P0113 code indicates that the intake air temp sensor has Hi voltage. This sensor is located in the air intake near or in the air cleaner. It is a 2 wire sensor that looks like it does nothing. It measures air temp coming into engine and then the computer knows what kind of fuel mixture it should be delivering. This may be something to look at. The reason the check engine light comes on later is that the computer only self checks at certain times. Rate me if this helps

May 18, 2009 | 2000 Ford Explorer

3 Answers

Missing problem


Check the wire pigtail that plugs into the coil pack. The plastic insulation around the four wires become hard and brittle, this can cause shorting and cross fires. Carefully pull the protective cover back to expose the four wires that go into the plug, check visually then bent the wires to see if they are flexible. If they are flexible and not brittle it is something else. Check out this link for detailed information and tests.

Jun 26, 2008 | 1998 Ford Explorer

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