0. P0401: EGR low flow-Check vacuum supply and valve operation . $2129. It’s a good idea to check the tube going to. PCV stands for positive crankcase ventilation. I was told it normally takes up. 124318525-L. 1997 - 2003 Ford F150 - EGR delete for 98 4. An EGR valve recirculates exhaust gases into the combustion chamber to further burn off/break down air contaminants through the combustion process. Rough Idle. 2 out of 5 stars 20EGR pressure sensors will be located close to the EGR valve as the exhaust gas hose must be connected to the sensor as well as the valve. $2129. Seems to only do it from a cold start, Throws the p402 code. Locate the DPFE sensor, which is near the EGR valve, behind the upper intake manifold, between the firewall and engine. I drive a 98 ford ranger , 4 cly, standrard. MEMBER. See below for a full list of compatible pumps. Free shipping. I received a code P401 on my 2003 Expedition with a 4. SELECT STORE. 7L 4x4. 4. That will make the EGR valve stay closed. Limited-Lifetime Warranty. . Loosen the bolts to remove the EGR valve and gasket. The truck has 140k+ miles on it and it may have been the original sensor. If it wasn't working, you wouldn't have a bad idle, you'd more than likely have pinging. Ford Genuine Ford F4TZ-12K073-C Camshaft Position Sensor. The EGR valve is faulty. The EGR system in your truck is responsible for recirculating exhaust gasses in order to lower the vehicle’s emissions output. 1:18. How to Diagnose and Replace a Bad PCV Valve. 2001-2004 Ford E-150. Choose top quality brands Delphi, Forecast, Motorcraft, NTK, Santech/ Omega Envir. If the EGR valve is in good working condition, then the problem may lie within the EGR passages in the throttle body. 1999 Toyota Camry. Condition: New. 4 stumble, bad egr or DPFE? - I'm trying to fix a stumble/hesitation issue at 12-1500rpm with my 98 expedition 5. The DPFE Sensor measures EGR flow across an orifice located inside the special EGR Tube. On Accessory, with engine off: Touch hot to brown/green and ground on black/white, 4. 6 volts and on the plastic ones at about 1. Code initially said insufficent egr flow. 2000 Taurus and Sable are the only interchange. 2. Symptoms of the P0401 code. The DPFE sensor monitors the pressure difference between the exhaust gases going into and out of the EGR system. P1405 – Relates to “DPFE sensor upstream hose off or blocked”. Step 3: Follow the Vacuum Lines: Trace the vacuum lines connected to the EGR valve, as they often lead to the DPFE sensor. 99. X AUTOHAUX EGR Valve Pressure Feedback Sensor DPFE Sensor F77Z9J460AB DPFE15 for Ford F150 F250 F350 Escape Focus for Lincoln for Mazda for Mercury Exhaust Gas Recirculation Pressure Feedback. 10. 0. The cost of the parts themselves may be between $110 and $400 , and the labor cost is between $35 and $100 . ($579 - $724) in El Paso, TX. 4. 99. $797 ($3. The EGR valve may not be opening due to a lack of vacuum. Check if this fits your vehicle. Sold by: Performance Guarantee. The. Our Price: $ 58. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. The code P1400 reads "DPFE Sensor Voltage Low" (Ford, Mazda). First i verified the EGR valve was clean, so i removed it and. Here is a list of possible causes for a PO401, hope this helps. however, upon searching autozone parts, I find two sensors. Part # EGR1053. Again, be careful not to drop the nut. I just changed the EGR Valve, DPFE Sensor, and another sensor in the EGR - Answered by a verified Ford Mechanic. If the rpms drop, the intake passages are clear and the EGR valve is working. 3. The amount of gas cycled back into the engine is typically not more than 10%. Once you start testing, I recommend you start from TEST 1 and go from there. I did a search and I saw that it was inferred, but I could not find anything conclusive. Dorman 46019 High Temp Emissions Hoses Compatible with Select Ford / Lincoln / Mercury Models, 2 Pack. We would like to show you a description here but the site won’t allow us. 99. 0 out of 5 stars 11. 2000 taurus coding with p1506. (1) is the Pressure sensor-egr valve @ $53. OBD II fault code P1405 is a manufacturer specific code that is (according to some resources) defined by car maker Ford as “DPF EGR Sensor Circuit High Voltage Detected”, and is set when the PCM (Powertrain Control Module) detects a negative exhaust flow while the engine is running with the EGR ( E xhaust G as R ecirculation) valve in the. The code would be set based on the DPFE sensor alone, so either (1)there is no DPFE signal, or (2)there are leaks or disconnects in the pressure lines leading to the DPFE sensor and it thinks there is no flow. They changed to plastic b/c the metal was corroding out. 4l v8 f-150 pcv line vacuum leakVacuum ford 1998 egr f150 hoses valve 1998 ford escort vacuum hose diagramI cannot find the other end of a vacuum-hose routing. . the check engine lite came on, and the code is P0402,. you should hear a very large vaccum leak and exhaust noise. 4 L. Mercury Master. Both 2-valve and 3-valve versions have been produced. replace sensor. The EGR valve may not be opening due to a lack of vaccuum. 1999-2003 ford 7. Tighten to 15-22 lb ft. The parts tend to make up the majority of the cost, usually between $100 and $400, while the labor. Check if this fits your vehicle. The orifice is positioned between two hose ports coming off the tube which is connected to the DPFE sensor with special heat-resistant. 99/Count) +. $3109. Limited-Lifetime Warranty. If damage is present, it will be necessary to change the sensor. I cleared the code and began troubleshooting the EGR system. If the MAF sensor has 6 wires, this indicates that the air temperature sensor is integrated within the sensor. 0L (Fits: Ford Escort) Made with High Quality Steel; Direct OE Replacement. Touch hot to brown/green with harness disconnected, 4. comThe last thing on my list was the EGR/DPFE. I'm gonna change the DPFE sensor, check vacuum at the EGR valve, check/clean the EGR valve, inspect vacuum hoses to/from EGR/DPFE sensors and hopefully once it's all said and done she'll be like. Buy a 1999 Ford Escort EGR Pressure Feedback Sensor at discount prices. 7,803 satisfied customers. Try temporarily removing the vacuum line from the top of the EGR valve. Hg (16-33 kPa) of vacuum; if the engine idles roughly or stalls, the EGR valve is functioning properly. Dorman - Engine Valve Cover Kit (Part No. The sensor and the retainer unscrew from the manifold, and the PCV is inside. 5-5. INSTALLATION: Position EGR valve with a new EGR valve gasket and install EGR valve nuts. 2001 Ford Explorer USPS. Possible Solutions. Trending at $13. . Check EGR valve, check ISC valve: 192: Idle mixture too rich, lright hand Lambda sensor: Check EGR valve, check ISC valve: 193: Flexible fuel sensor circuit. insufficient egr flow. 96 EB V6 OHV 4WD. Designed for long service life under harsh under-hood conditions. Later models come equipped with electronic-vacuum EGR valves inside a small block or cylinder. The DPFE sensor is located on the left side of the engine. 99 $ 15. The cause of the P0401 code in most cases turns out to be a bad DPFE sensor, not an EGR valve problem or an EGR valve that is plugged up with carbon (though this can also set a P0401 code). Disconnect the electrical wires linked to the sensor. * The EGR valve may not be opening due to a lack of vaccuum. If the orifice in the EGR tube becomes restricted, the exhaust gasses can be forced thru the DPFE valve. by williamscl5 » Mon Feb 09, 2009 3:13 pm. (DPFE) SENSORS WHAT THEY DO Monitor exhaust pressure changes above and below a metered orifice. The exhaust gas usually travels through a steel pipe from the exhaust manifold to the valve, which provides the exhaust gas to cool just a bit as it flows. If the EGR passage is clogged it could throw this code, if the EGR valve is not seated correctly at idle it could throw this code. . This is because it is less sensitive and the PCM thinks less recirculated gas is being burned than is actually so. I was wondering if the DPFE sensor and the EGR Valve Position Sensor are the same sensor with different names. Data by RevolutionParts. The sensor is located underneath the EGR valve. NTK EGR Pressure Sensor. Before you do all this, you should check to see what kind of emissions checks your state does. A code P0401 most likely means one or more of the following has happened: * The DPFE (differential pressure feedback EGR) sensor is faulty and needs to be replaced. DPFE gives a more precise reading of the EGR flow by measuring a pressure drop across 2 ports of the sensor as the EGR valve opens/ closes. 65/Count) +. EGR Valve; EGR Valve Gasket; EGR Valve Position Sensor; Idle Air Control Valve;. +. Yes replaced spark plugs/coil packs, replaced main vacuum hose and 02 sensor bank 1 sensor 2 replaced and air filter. 55LS. I removed the throttle body this weekend along with the EGR valve and WOW, tons of carbon build up. That damn check engine light still pops up with the P401 code, even after being cleared by Auto Zone. 99. 40v or so with NO vacuum applied to the hose. Notes: EGR Valve Position Sensor -- DPFE Sensor. Misfiring runs rough. The DPFE Sensor provides information to the Powertrain Control Module (PCM) to tell it how much exhaust gas is flowing through the system. Fits 1994-1995 Mustang V6. Labor: 1. A code P0401 most likely means one or more of the following has happened: The DPFE (differential pressure feedback EGR) sensor is faulty and needs to be replaced. You’ll find a replacement DPFE sensor from $40 to $120. The valve's metal disk houses a vacuum diaphragm, spring, and plunger. Read more how the EGR system works in this article . 6 4x4, the DPFE sensor is <50. P1400 – Relates to “DPFE (Differential Pressure Feedback EGR) circuit low input”. The 401 code is a test failure as detected by the PCM from a normal diagnostic test. Add. 00 list price from Ford. Fix 1999 Ford E150 van with code P0401. Symptoms There may be no visible symptoms to the driver. P1401 and P0408. - Faulty EGR Pressure sensor. Choose top quality brands AC Delco, API, BWD Automotive, CARQUEST, DIY Solutions, Forecast, Fram, Holstein, Motorcraft, Novo, PTC, Standard Motor Products, Wells. (See picture of the sensor below)HE93 CHECK EGR VALVE FUNCTION BY APPLYING VACUUM WITH HAND PUMP . Typically, the replacement cost would be around the range of $125 and. Check the voltage at the DPFE sensor both at idle and when the EGR is open. If the reading is not within that range, the sensor is defective and needs to be replaced. Step #3 Check EGR ports. - EGR solenoid valve circuit poor electrical connection. A code P0401 most likely means one or more of the following has happened. They look a lot like a small donut, fastens with two bolts, has one small vacuum line, and 3/4" diameter exhaust bypass tube running into it. Most auto. after I take the truck out of gear when coming to a stop the engine roars at a high RPMs, only when I come to a complete stop will the engine reduce to normal rpm idle. P1405 Lincoln DPF EGR Sensor Circuit High Voltage Detected. EGR valve code. The EGR valve may be hot, so be careful. CERTIFIED MECHANIC. This article covers the two incarnations of the Ford coil pack for four cylinder engines. solved. I have a 99 Ford F250 SD 4x4 with the 5. 99 eBay determines this price through a machine learned model of the product's sale prices within. New engine in truck(01 engine, 99 computer), ECU is looking for both and throwing codes; making truck run like doo-doo. To diagnose the P0401 Ford code, it typically requires 1. 0 L 363 CID V8 Diesel. Check the voltage at the DPFE, compare to specified values (refer to a repair manual for your specific model). EGR flow malfunction could be caused by a clogged EGR valve or EGR tube. There is a blockage in the EGR (tube), most likely carbon buildup. Standard Motor Products VS63 EGR Vacuum Solenoid Valve. 2 is ground. The most likely solution is to replace the DPFE sensor. 2001-2002 Ford Crown Victoria. The two "vacuum" lines that run from the EGR tube to the DPFE sensor are not vacuum lines, they are sampling flow/pressure. 3. 1. At 1A Auto, we make shopping for a replacement EGR pipe for your car, truck, SUV, or van easy—we're here to help you select the right part for your vehicle! Call our customer service toll free at 888-844-3393 if you have any questions about our parts, warranty, compatibility or to purchase, or you can buy online. 2 Answers . With the engine cool, turn the key to the 'run. Most of the time the EGR ports are partially blocked in the TB or from the manifold to the EGR valve. I hope this helps, as you can see the wider diameter hose goes on the right side of the DPFE sensor. It has to do with the emissions system and stands for Exhaust Gas Recirculation (EGR)→ Insufficient Flow. Labor: 1. Vacuum expedition2004 ford f150 4x4 vacuum diagram #9 1998 ford escort vacuum hose diagramVacuum diagram ford hose 1998 dpfe explorer mountaineer 1997. If it does, then replace the DPFE sensor. Updated: July 25, 2021. I have a 97 Ford Escort LX, 2. If the EGR ports are clogged shut the DPFE will tell the PCM about it and you will get an EGR related code. P1402 – Relates to “EGR (exhaust gas recirculation) metering orifice blocked”. Location: Knoxville, TN. egr valve.