Question about 1998 Ford Crown Victoria

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P1409 closed loop faulterror codes fix - 1998 Ford Crown Victoria

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Here's a link to your code.

Posted on Apr 30, 2013

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1 Answer

Code P1409


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06 Nissan maxima code 1148


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P1409


check for vacuum leaks and check the vacuum regulator control unit for correct operation.

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WHAT DOES CODE P1409 MEAN ON A 1998 FORD RANGER 3.0


P1409--EGR Vacuum Regulator Solenoid Circuit Malfunction

Dec 05, 2012 | 1998 Ford Expedition

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What it means code p1409


The P1409 means EVR Control Circuit Malfunction.
___________________
maxiscan ms509

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Check enegine light stay s on all the time, here are the codes im getting, if someone could tell me how to fix these that would be great. p0155 p0141 p0136 p0443 p1451 p0135 p0161 p1409


P0155: O2 Sensor heater Circuit Malfunction (bank2 ) Sensor 1.

P0141: O2 Sensor heater Circuit Malfunction (bank1 ) Sensor 2.

P0135: O2 Sensor heater Circuit Malfunction (bank1,Sensor1)

P0136: O2 Sensor Circuit Low voltage (bank1) Sensor 2.

P0443 : Evaporative Emission control System Purge control valve.

P1451: Eavporative Control System Canister vent solenoid Circuit Malfunction.

P0161: O2 Sensor Circuit Low voltage (bank2,Sensor2)

P1409: Electronic Vacuum Regulator (EVR) control circuit malfunction.

change the O2 sensors first,Then check the the EGR Vacuum regulator for any Malfunction. Good luck

Jan 14, 2011 | Ford Mustang Cars & Trucks

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ECM switches from closed loop to open loop at idle after warmup


WHEN ENGINE GOES CLOSED LOOP TO OPEN LOOP.YOU HAVE A RICH FUEL MIXTURE.YOU HAVE A VACUUM LEAK.BY YOU HAVING ROUGH IDLING.AND A HIGH MILEAGE ENGINE I WOULD DO A COMPRESSION TEST OR CYLINDER LEAK DOWN. CHECK FOR LEAKING VALVES AND LOW COMPRESSION .THEY BOTH WILL CAUSE ENGINE TO IDLE ROUGH CAUSE MISFIRE.CAUSE OPEN LOOP CONTAMINATE HO2 SENSOR CAUSE A RICH FUEL MIXTURE.

Sep 30, 2009 | 1984 Oldsmobile Delta 88

1 Answer

I have a fail code (P1409) on my 1998 FOrd Expedition, 4.6L. Where can I get this part? Thanks, Alec


Code indicates bad EGR Vacuum Solenoid. Chilton lists possible causes below. Here's a link to the part you want. Best of luck!
Greg

http://www.rockauto.com/catalog/raframecatalog.php?carcode=1304402&parttype=4964&a=FRc1304402k943582

Possible Causes:
  • EGR VR solenoid circuit is open, or shorted to ground
  • EGR VR circuit is shorted to power or the VPWR circuit is open
  • EGR vacuum regulator solenoid is damaged or the PCM has failed

May 19, 2009 | 1998 Ford Expedition

1 Answer

P1409 code on 2002Ford F150 4.6L


P1409 - EGR Vacuum System Leak

CHECK THE EGR CONTROL SYSTEM FOR A SERIOUS VACUUM LEAK,

Mar 24, 2009 | 2002 Ford F150 Regular Cab

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