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Posted on Jan 02, 2017
SOURCE: 2001 montero sport looking for
The P0403 code represents a problem with the Exhaust Gas Recirculation Solenoid or circuit.Below is the chart that explains and directs us to where the problem may exist.
Since there are a number of components or wires that can be at fault for this code,I feel it is not going to be something that we should attempt to diagnose via long distance. You may wish to check the basic wiring and vacuum supply to the solenoid, but if you find that the ECM is at fault, you will want to have this type of problem backed up by a good part and labor warranty.
Most solenoids need about 20 ohms or slightly higher resistance on the primary winding circuits to function correctly.
Below is a technical service bulletin I have located on your vehicle, It may or may not be related to your current problem. I simply wanted you to have it.
TSB Revision: TSB-06-13-012
DATE: September, 2006
MODEL: See below
EGR SYSTEM TROUBLESHOOTING
- SERVICE MANUAL REVISION
This bulletin contains additional troubleshooting procedures for the vacuum controlled EGR system on the affected vehicles.
Write the TSB revision number of this bulletin in the "TSB Revision" box at the bottom of the affected service manual pages.
1995-1996 Mirage 1.5L and 1.8L (California emissions only)
1996 Mirage 1.5L and 1.8L (Federal emissions only)
1997-2002 Mirage 1.5L and 1.8L
2003-2006 Lancer 2.0L
2003-2006 Lancer Evolution
1996 Galant 2.4L
1997-1998 Galant 2.4L (Federal emissions only)
1999-2003 Galant 2.4L and 3.0L
1995-1999 Eclipse/Eclipse Spyder 420A and 2.0L Turbo
1996-1999 Eclipse/Eclipse Spyder 2.4L
2000-2005 Eclipse/Eclipse Spyder 2.4L and 3.0L
1996-1999 3000GT 3.0L
1996 Diamante 3.0L
1997-2004 Diamante 3.5L
1996 Montero 3.0L 12 valve
1996 Montero 3.0L 24 valve (Federal emissions only)
1996 Montero 3.5L
1997-2000 Montero 3.5L (Federal emissions only)
2001-2002 Montero 3.5L
1997-1999 Montero Sport 2.4L (Federal emissions only)
1997-1998 Montero Sport 3.0L (Federal emissions only)
1999-2003 Montero Sport 3.0L
1999-2004 Montero Sport 3.5L
1996 Truck 2.4L
1995 Expo/Expo LRV 1.8L and 2.4L (California emissions only)
1996 Expo/Expo LRV 1.8L and 2.4L (Federal emissions only)
Let me know,if needed further assistance.
Hope i helped you.
Thanks for using ' Fixya ' and have a nice day!!
Posted on Sep 11, 2010
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Sep 05, 2014 | Cars & Trucks
Trouble Code: P0403
EGR Control Circuit Malfunction
EGR solenoid control circuit is open or shorted to ground . EGR solenoid power circuit is open (check power from relay) . EGR solenoid is damaged or has failed . PCM has failed .
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