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UPDATE on P0401 and P0455 codes OK, so just to catch up on some things that has happened. ... Serious Explorations is a Ford Explorer and Ranger Based vehicle ...Sep 13, 2017 · Solved - P0401 EGR Flow Insufficient Detected | Ford Explorer Forums - Serious Explorations. Performance Upgrades - Maintenance - Modifications - Problem Solving. Covering the Explorer, ST, Lincoln Aviator, Sport Trac, Mercury Mountaineer, Mazda Navajo, Ford Ranger, Mazda Pickups, and the Aerostar. Register Today It's free! 2002 ford explorer with check engine light on.had schucks test the computer.said bad egr valve.replaced valve and computer cleared .light stayed off for about 8 miles and came back on.schucks checked … read moreSep 27, 2018 · P0401 is a very common OBDII trouble code that’ll pop up in the Ford Explorer. It has to do with the emissions system and stands for Exhaust Gas Recirculation (EGR)→ Insufficient Flow . The EGR system in your vehicle is responsible for recirculating exhaust gasses in order to lower the vehicle’s emissions output. P0401 is a very common OBDII trouble code that’ll pop up in the Ford F150. It has to do with the emissions system and stands for Exhaust Gas Recirculation (EGR)→ Insufficient Flow. The EGR system in your truck is responsible for recirculating exhaust gasses in order to lower the vehicle’s emissions output.It is different from the P0401 and P0402 codes that relate to flowrate commanded vs flowrate measured. P0405 is for a purely electrical fault in the EGR flow sensor circuit that puts the voltage input to the PCM completely out of the acceptable range (in this case, lower than allowable).How to fix Code P0401 on a 2000 Ford Expedition with engine 4.6. How to fix Code P0401 on a 2000 Ford Expedition with engine 4.6.What Does the P0193 Ford Code Mean? The FRP sensor is a diaphragm strain gauge device. The FRP sensor measures the pressure difference between the fuel rail and atmospheric pressure. The FRP sensor nominal output varies between 0.5 and 4.5 volts, with 0.5 volts corresponding to 0 MPa (0 psi) gauge and 4.5 volts corresponding to 26 …What does this mean? Code P0401 Ford Tech Notes EGR flow malfunction could be caused by a clogged EGR valve or EGR tube. Before replacing any parts try …The P0401 DTC means that the computer detected an insufficient amount of exhaust gas recirculation (EGR) flow in the system. In most cases, the ECM/PCM recognizes the failure from two consecutive trips through the feedback loop before setting the code and turning on the Check Engine Light.Jun 8, 2009 · 437 Answers. P0401 = Exhaust Gas Recirculation, insufficient flow. I would start with testing the EGR valve and checking the source line for a vacuum leak. EGR may need to be cleaned. Posted on Jun 08, 2009. Use a vacuum pump and pull the EGR valve open while monitoring engine RPM's & DPFE voltage. There should be a noticable difference in RPM ... 4.0 L. FORD EXPLORER: En esta ocasión encontré una falla en el Sistema EGR (Exhaust Gas Recirculation) Recirculación de Gases de Escape. Realizamos un repas...Year, Model & Trim Level. 2010 Ford Explorer XLT. March 15, 2022. #9. donsjaz15 said: Just an update, my 2010 explorer was throwing multiple codes including p0401,p0403 and a p0106. After the dealer replaced the egr valve and 5 pcm modules it ended up being a cracked vacuum hose under the intake manifold.1997 - 2003 F150 - CHECK ENGINE LIGHT P0174 P0455 P0401 P0171 - I have a 1997 F150, 4.6L,4x4, Fully Loaded.....CEL is on and have had it checked.... P0171 P0455 P0401 P0174 Now with that said....The throttle body has been taken off and clean, (was not even clogged), EGR valve replaced last year, DPFE sensor replaced...P0401 Exhaust Gas Recirculation “A” Flow Insufficient Detected P0430 Catalyst System Efficiency Below Threshold P0431 Warm Up Catalyst Efficiency Below Threshold

1947 Ford Models - The 1947 Ford models were little changed from 1946, and not all the changes were good. Learn more about the 1947 Ford models. Advertisement The factory-suggested prices for the 1947 Ford models went up $120 on average. De...Sep 15, 2018 · When there is a large leak in the Ford Explorer’s EVAP system, it will throw the P0455 OBDII Code. P0455 indicates a large leak in the evaporative emission control system. (EVAP). There are different leak size codes. For example, P0456 means your Explorer has a small EVAP leak. While the trouble code may state that there is a “large leak ... How to: Diagnosing DPFE Sensor (P0401 and P0402) with Scan Tool. September 17, 2022; BrooklynBay; ... Serious Explorations is a Ford Explorer and Ranger Based vehicle community. Founded in 1996, our goal is to support our members with the information they need to keep their Explorers, running their best. ...The Ford F-150 Lightning is the latest addition to the Ford F-Series lineup and it’s sure to turn heads. This full-size pickup truck is packed with features that make it an ideal choice for those who need a reliable and powerful vehicle.When diagnosing the code P0401 on a Ford vehicle, the DPFE sensor and the hoses to the DPFE sensor are usually tested first. The DPFE sensor and its hoses should hold the vacuum; the hoses should not be cracked or restricted.

I have a 96 Ford Explorer which needs to pass an emissions test but I can't get rid of a P0401 code which is for insufficient EGR Flow. I have no other codes and no engine performance issues. I have come up with five things to try but don't know which one to start with: 1. Remove EGR Valve and look for carbon buildup 2. Remove and Replace …Jan 1, 2018 · I have a 1998 Ford Ranger 2.5L that gives the following code: P0401 "Exhaust Gas Recirculation (EGR) valve, insufficient flow detected". The Check Engine Light is on. What does this mean, and what cau … read more Replacing the spark plugs has been confirmed to work on a 2004 Ford Explorer XLT 4.6L, V8 and on a 2006 Mercury Mountaineer, Premier 4.6L, V8. Meanwhile, replacing all ignition coils worked on a 2007 Mercury Mountaineer, Premier 4.6L, V8 and on a 2002 Ford Explorer, XLT 4.6L, V8.…

Reader Q&A - also see RECOMMENDED ARTICLES & FAQs. P0401 is a very common OBDII trouble code . Possible cause: EGR system. How to clean the egr system. EGR system cleaning and carbon r.