How do I fix code P0473?
What repairs can fix the P0473 code?
- Checking for and repairing any exhaust leaks.
- Checking for and repairing any wiring or connector problems (they may just need a thorough cleaning too)
- After repairs that appear to clear the code, the vehicle should be test driven to see if it returns.
What does an exhaust back pressure sensor do?
The MAP sensor measures pressure between the compressor wheel of the turbo and the intake of the engine, and the EBP measures pressure between the exhaust of the engine and the turbine wheel (exhaust side) of the turbo.
Where is the exhaust pressure sensor on my car?
Locate the exhaust pressure sensor attached to the engine or the firewall. Pop open the hood of your vehicle so you can access the engine. Look around for a small, black rectangular box that has 2 rubber hoses coming out from the bottom and an electrical connector plugged into one side.
What is the exhaust pressure sensor range on a Mazda 6?
I have a 2007 Mazda 6, 2.3l engine with 85,000 miles. A month ago, the check engine light came on and is giving a P0471 code (Exhaust pressure sensor range/performance) however, the car never ran better. I contacted a Mazda dealer who told me this engine does not have an EP sensor which I confir…
What are the symptoms of a p0471 exhaust pressure sensor?
P0473 Exhaust Pressure Sensor “A” Circuit High P0474 Exhaust Pressure Sensor “A” Circuit Intermittent Symptoms of a P0471 engine code may include: Unable to perform manual regeneration – burn off the soot out of the particulate filter. Looks like a catalytic converter but has temp sensors and pressure sensor probes inserted into it.
Why does my exhaust pressure sensor not light up?
Connect a test light to 12V battery positive (red terminal) and touch the other end of the test light to the ground circuit going to the Exhaust Pressure Sensor circuit ground. If the test light does not light up, this would indicate the problem circuit.