Ford error code p1406

Exhaust Gas Recirculation Flow Excessive Detected. What the P0402 code means. P0402 is an OBD- II generic code that the engine control module ( ECM) has detected indicating the engine exhaust gas recirculation ( EGR) valve is flowing too much recirculated exhaust gases when it is commanded to open the flow of gases into the intake manifold. P1406 diagnostic trouble code details. P1406 OBD Trouble Code. When diagnosing a P0304 code, it is important to record the freeze frame information and then duplicate the code setting conditions with a test drive. Pay close attention to the engine load, throttle position, RPM, and road speed because a P0304 ( which is a specific misfire) can sometimes be difficult to detect. Ford E 150 cargo van,. around 40 to 50 mph it dose hiccup. 8 Answers Also lost over drive off, checked push button switch and it is working ok. OBD II fault code P1406 is a manufacturer specific code that is defined by carmakers Ford, Lincoln, Mazda, Mercedes, Mercury, and Oldsmobile, as “ DPFE Sensor Circuit Downstream Hose”, or sometimes as “ Differential Pressure Feedback Sensor Downstream Hose off or Plugged”. My check engine light came on and I had autozone get the code for my Ford escape. However, They only have information on codes up to 500. My code was P1406 and all they could tell me was it had s. P1406 code means there is a problem with the EGR valve' s pintle position.

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    The EGR Valve' s pintle could just be stuck in which case the problem could be fixed by cleaning the EGR valve. If the EGR valve is electronically controlled or cleaning the valve does not fix the problem, you will most likely have to replace the EGR Valve. This code indicates a problem with the EGR valve' s pintle position. If the EGR valve. Exhaust gas recirculation ( EGR) valve position sensor - circuit problem. change in Desired EGR was less than 0. I have an 02 Mercury Cougar with a 2. 5 V6 76, 000 miles on it. The code reader is listing: P1401 Egr Evp P1406 High Voltage Does anyone know what these codes are referring to? In this video I show another variable when it comes to testing this type of EGR valve. ( open 5v reference circuit from a bad engine computer) I' ll also show you how I repaired this problem without. P1406 Ford Description The purpose of the Exhaust Gas Recirculation ( EGR) system on your engine is to limit oxides of nitrogen ( NOx) emissions. check to see there are no rips, holes or disconnections on the vacuum lines to the sensor.

    If the vacuum hoses look ok, then you may have a faulty DPFE Sensor. Ford OBD- II Diagnostic Trouble Codes and related Ford vehicle forum discussions. P0170 is a diagnostic trouble code ( DTC) for " Fuel Trim Malfunction ( Bank 1) ". This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. This article will help you to diagnose diagnostic trouble code P0171 ( System too Lean Bank 1) and/ or P0174 ( System too Lean Bank 2) on your Ford, Mercury or Lincoln 4. 4L equipped car, pick up, van or SUV. Just threw a service engine soon code of p1406. I replaced the dpfe sensor and cleared code. It popped back on after about 10 miles. I cleared the code again and am waiting to see what happens. If you get the code again, and have less than 50k on the truck, I would consider calling your local Ford garage, since emission control devices are covered by a 50, 000 mile warranty.

    If you have more than 50k and you' re not having driveability problems, I' d just leave it. OBD- II Diagnostic Trouble Code ( DTC) P1406 Definition, Category, Faulty System and Component for Specific Make. Review of the steps taken to diagnose and ultimately repair OBD2 code P1406 on a Ford F150. What Does the Trouble Code " P1405" Mean in a Ford Vehicle? The P1405 engine code indicates a faulty differential pressure feedback sensor on the Ford Vehicle, according to Engine- Codes. This sensor monitors the exhaust gas recirculation tube pressure. When the issue occurs, it triggers the. Ford offers an upgraded DPFE sensor for most models ( part number 4U7Z- 9J460- AA) that is reportedly higher quality than the factory sensor it replaces. If replacing the DPFE sensor does not clear the P1401 code, the problem may be in the EGR valve itself. I always get the P1406 code when I drive on the freeway 65mph for more than an hour. But that is because I have a EGR limitor.

    3L " X" 2wd Auto. P1406 - DPF EGR Sensor Downstream Hose Off or Plugged While driving, the EGR monitor commands the EGR valve closed and checks the differential pressure across the EGR orifice. The test fails when the signal from the DPF EGR sensor continues to indicate EGR flow even after the EGR valve is commanded closed. P1406 Description The purpose of the Exhaust Gas Recirculation ( EGR) system on your engine is to limit oxides of nitrogen ( NOx) emissions. This is done by redirecting small amounts of exhaust gas back through the upper intake to get mixed in with the air/ fuel charge. Ford expedition code p1406 - Answered by a verified Ford Mechanic We use cookies to give you the best possible experience on our website. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. code p1406 ford expedtion. The reading is all the same for all types of cars nowadays. It' s either your car is running lean or rich. OBDII/ EOBD diagnostic code definition.

    More than 18000 codes for all autos. Trouble code definition for code P1406. Ford iosis MAX Concept Ford Mustang Warriors In Pink Ford Mustang Glass Roof Ford Ka Ford Focus X Road Ford Focus Sedan. With regard to the P1406 code ( EGR Valve Pintle Position Circuit), the EGR valve is sticking. You need to pull the EGR and clean the H out of it. I used all different types of wire brushes bending them to fit, especially 22 caliber rifle cleaning brushes. P1406 Gmc Description The Powertrain Control Module ( PCM) determines that the EGR valve is stuck open if the actual Exhaust Gas Recirculation ( EGR) position and the learned closed EGR position vary by more than a predetermined value. CODE P1406 FORD EXPEDITION - Lincoln LS question. P1406 code indicates a problem with the EGR valve' s pintle position. Service Engine light came on, checked the codes and 1 code came up: P1406. I think that it may be related to the EGR system. Does anyone know what. P0456 FORD Comments Help us improve AutoCodes. Leave a comment below or tell us if the information above help you fix the code.

    What are the symptoms on your vehicle for the P0456 Ford code? P1406 Differential Pressure Feedback Electronic Sensor Circuit Downstream Hose - Read Our Article on EGR System Diagnosis For Help With This Ford Check Engine Light Code P1407 EGR No Flow Detected - Read Our Article on EGR System Diagnosis For Help With This Ford Check Engine Light Code. If the valve won' t close all the way it sets a code on the computer like you have showing now. Cleaning the valve and port will usually correct this after resetting the computer. You might be running a tad rich to cause this, but as someone else already mentioned these Chevy engines are prone to this no matter what.