2001 Mazda MPV "po403" Questions

Need to know what these codes are for I have a 2004 L300 Saturn PO403 and PO727 Codes PO403 and PO727 What do these mean P0403 is EGR (exhaust gas recirculation) circuit malfunction P0727 is Engine ...

2010 Dodge Grand Caravan code po403 , po406? PO403 is a bad egr circuit & 406 is a bad egr valve. 403 may be triggering 406. Make sure the wiring is in tact with good voltage & ground ...

fault code po403/po404 Rac recovered my driver from a breakdown he cleaned the egr valve and then driver drove home on limp mode.... diagnosed with po403/po404 so i have replaced the egr valve and now

Trouble code on 2002 PT Cruiser PO403. How do I fix this? IF IT IS THE CHECK ENGINE LIGHT YOU CAN GO TO AUTO ZONE OR WHAT EVER YOU HAVE LIKE IT IN YOU AREA AND THEY WILL DIAGNOSE IT FOR FREE AND SOME ...

For a 2001 Dodge Intrepid 2.7; PO622 and PO403. The battery light (gauge) is on and these PO's were displayed; PO622= Generator F-Term. Field Control and PO403= EGR flow circuit malfunction. I have ...

PO128 and PO403 trouble codes on a 2007 HD2500 CHECK TO SEE IF THE THERMOSTAT IS STUCK OPEN(PO128)ALSO CHECK TO SEE IF A WIRE IS BURNED ON THE EGR POSISTION SENSOR,OR IS UNPLUGGED(po403) if this is ...

...fans will not go on van overheats in traffic , runs about half way temp on highway codes p1491 & po403 no power to fans (checked w/test lite) check fuses and relay to fan, if not it, check wiring ...

2000 galant code po720 transaxle output speed sensor circuit hard shifting . An also po403 egr valve. What to about the transaxle . Done the flush with new fluid an still shifting hard Sounds like a ...

had po403 code replaced egr valve and solenoid and it burnt the nipple off the solenoid find out what the code isd and then replace what needs to be done

Check engine light keeps coming on with a PO403 code EGR flow malfuntion. Have replaced EGR valve, have check wiring from egr to engine control can't find any problems, but code keeps coming on after ...