I am getting 2 codes P0403 and P0443. I replaced both the EGR Valve and EVAP Purge valve. But I still have the codes coming up. Even if I clear the codes, once I restart it shows up on the scan tool and on the next crank up it turns on the check engine light. What is causing that?

I got a p0403 and p0443 faults on my ford explorer 2010 4.0l Also u3000 04 sometimes. Eraised then coming back after a 2010 Ford Explorer P0403 & P0443 Faults: Q&A Guide

2013年5月22日 · 2011 F350 6.7L - 18X9 Method Racing, Leer 100XQ, Titan 50 Gal, Retro 6000K HID, 305/65/18 Falken Wild Peak, H&S Mini, Flopro 4", AirRaid CAI, Rigid 50" combo, SoCal Roof mount.

P0403 - Exhaust Gas Recirculation Circuit Malfunction. P0443 - Evaporative Emission Control System Purge Control Valve Circuit Malfunction. P0446 - Evaporative Emission Control System Vent Control Circuit Malfunction. The rough idle may be caused by the EGR fault and the EVAP system if the purge valve is stuck open.

2021年3月6日 · This morning I started her and she ran rough for about 30 seconds, then smoothed out. The CEL came on so checked codes and there was a p0403 which points to the egr solenoid or an electrical problem with the egr system. With the egr deleted, why would I get an egr problem? The symptom also matches what a p0403 code describes.

2015年9月27日 · 2006 6.0L EGR Delete throwing codes, P0403 & P0405. I just did the EGR delete along with several other upgrades, Head Gasket, APR Studs, Oil cooler, Coolant flush (Removed Ford Gold) and installed Coolant filter. Anyway, now I get a CEL for the EGR. I have an EDGE Evolution CTS programmer which...

2005 Ford F-150 Has codes p0135 p0155 p0403 p0443 p0446 Ford F-150, Shanking while driving, rough idle ...

P0403 codes are usually very straight forward faulty EGR solenoids. While there can be problems with the valve or hoses, etc, that cause EGR problems, these will usually cause a P0401 code. The difference here is that P0401 is indicating that the EGR effect is incorrect, whereas your P0403 is actually indicating there is an electrical problem ...

2011年2月18日 · Hi all. I am new to the forum. Read this thread and was wandering if there are any disadvantages to leaving the EGR valve in place even after I deleted the cooler. I have a late 2004 f250 with california emissions. When I put the valve cover plate on …

2011年7月1日 · I replaced both of those last night and it still wont start, now throwing P0403, P0405 adn it hit P0611 once and then not again. I know about ICP sensor problems but it isnt showing the code. According to my book both of the P04.. codes have to do with the exhaust gas recirculation control unit curcuit and the 0611 is for the internal fuel ...