P0478 exhaust pressure control valve high
Browse other content. How can we help? Theodore 14 years of experience. Related questions Car won't accelerate past rpm This issue could be caused by a variety of things. The ECU is under your passenger's side seat. If the actual voltage value is too high, the PCM will store the P code. You would need to replace the valve cover gaskets and spark plug tube Error Code P is a moderately serious problem. One way to pinpoint a defective sensor is to perform a manual check of the voltage in the exhaust back pressure system and comparing your results to the specifications set by the manufacturer. Number of Reviews 4,
P Exhaust Pressure Control Valve "A" High. OBD-II Trouble Code Technical Description. Article by.
Randy Worner ASE Certified Master Technician. P is a diagnostic trouble code (DTC) for "Exhaust Pressure Control Valve High". This can happen for multiple reasons and a mechanic needs to diagnose.
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Error Code P is defined as Exhaust Pressure Control Valve “A” High, meaning there's an abnormally high voltage reading detected, due to a problem in the.
This code is a generic trouble code and typically applies to diesel engines, including but not limited to certain models of Ford, Dodge, Mercedes, Nissan, and VW vehicles. This test forces the ECM to measure pressure values, and compare them to the rate at which the pressure decays while the vehicle is running.
Hello, my car has no spark, no controlled ground for the fuel pump, and no injector pulse.
More related articles. Fast and easy Check Engine Light is on Inspection service at your home or office. Also, check to be sure that the throttle body is delivering
Definition of error code P - Exhaust Pressure Control Valve "A" High.
P OBDII Trouble Code Exhaust Pressure Control Valve High
Read expert information and diagnostics for fault code P i have a f whith the and the check engine light is on and shows code P Exhaust Pressure Control Valve High Input i cleaned.
This can be extremely useful during towing operations. The results of this test will show there is a problem with the exhaust back pressure system. Fuse link close to the battery and relays are good. You can Burned and damaged electrical wiring can also cause this code.
Ok guys I have this code showing up and here are a couple questions.
First off what does it. Detailed information on error code - P - Exhaust Pressure Control Valve High. It only had one, P, which is listed as "EPR - Exhaust pressure control valve high input".
What should I look for as the caust of this code?.
Request Kevin. Thank you. Error Code P is a moderately serious problem. Then it compares the value with the actual exhaust back pressure reading, which is controlled by the back pressure valve. One of the ways that the P code may be diagnosed is by performing an exhaust back pressure step test.
Video: P0478 exhaust pressure control valve high Exhaust Back Pressure Sensor 7.3L Ford Diesel EBP