P0403 OBD II Trouble Code Exhaust Gas Recirculation Circuit Malfunction

Symptoms of P0403 OBD II Trouble Code

  • Bad EGR solenoid
  • Excessive resistance in control circuit (PCM controlled ground) due to an open, chafing or damage to the harness
  • Poor connection at the EGR solenoid harness (worn or loose pins)
  • Water intrusion at the EGR solenoid harness
  • Blockage in EGR control solenoid holding solenoid open or closed causing excessive resistance
  • Loss of supply voltage to EGR solenoid
  • Bad PCM

Common Causes of P0403 OBD II Trouble Code

  • P0403 on 1997 Dodge IntrepidI have trouble code P0403 - EGR FLOW CIRCUIT MALFUNCTION on a 1997 Dodge Intrepid, 3.5L engine. I replaced the EGR valve. The new valve came in 2 parts, it included a differential pressure sensor attached with hoses. The engine light is on most of the time, but it goes out some times. One of the t... 
  • P0403 code in a Subaru engine swapI have 2 Subarus and I did an engine swap. Here are the details: Car 1: 1996 Subaru Legacy L (the engine from this car has an EGR valve) Car 2: 1997 Subaru Brighton (This engine did NOT have an EGR valve) So.... I put the engine from car 2 into car 1. I figured that as long as I put the ECU from ... 
  • GRAND CHEROKEE LIMITED 4.7 2005 P0403 and U1417Hello friends, please I need know what does it means the codes P0403 and U1417 grand cherokee limited 4.7 16v 2005 gasoline? this economy is: city 31 l/100km and road 20/100km ( after 63 miles/h until 112 mils/h). Is it possible became better? the gasoline in Brasil is not 100% pure, it has almost 2... 
  • 2001 Eclipse GT codes. p0141 p0403 P0136 P0443 P1400 HELPHey I drive a 2001 eclipse gt. Lately I've bee. Experienced decreased performance. Almost as if my engine is sounding more powerful than what it actually going. I've also noticed alot of gas being wasted fairly quickly. here are the following codes. Please help if you can. P0141 - heated oxygen se... 
  • P0401 and P0403 on 99 Plymouth Voyager - circuit failure?I'm stuck on this one, hope someone can help. I have a 99 Plymouth Voyager with 150k miles. Service Engine light is on, and has P0401 and P0403 codes (insufficient EGR and EGR circuit). Originally I just had the 0401 and I replaced the EGR valve, but to no effect (yes, the valve works -- applied vac... 
  • p0403 already replaced egr valveengine light came on and egr valve was replaced with an aftermarket one. 100 mi the engine light comes on. after clearing codes multiple times with the same code the will go off on its own then come back on.... 
  • 2001 Chevy Lamina P0131 P0403 P0404 P0405 and P1811Hi, I have an 01 chevy lumina 3.1L with 121xxx miles on it. I just had the intake manifold gaskets replaced about 2 months ago because they were cracked Also my car after sitting for a few hours(best over night) will have a rough start up. The engine will bog pretty good and act like its guna die th... 
  • Escape 2005 / P0403 P0108 P0193On my Ford Escape 2005 / V6. Just started getting DTC P0193 - I replaced the FRP Sensor and didn't make any difference. Now getting 3 errors P0403 P0108 P0193 . Have had this vehicle since Jan 2007. Any ideas or help would help. I have never replace the pugs on this... Thanks... 
  • 2002 Mitsubishi Montero Limited 3.5L P0401 and P0403Both of these codes point to a problem with the EGR system. However, with both codes showing up, there has to be one solution. Anyone know what it is? Any ideas? 401 says insufficient flow. 403 says EGR solenoid. Is the solenoid bad or clogged and causing insufficient flow?... 
  • P0403 Chrysler Town&Country 3,8l 99'Hi, I have Chrysler Town&Contry and it has SES light on. I have check and there is problem and gives P0403 code. Wher is the problem ? What scholud I check? Please help....