What is the diagnostic code for excessive EGR flow?
What is the diagnostic code for excessive EGR flow?
There is another diagnostics connector in the engine compartment that will not fit the OBDC-II scanner tool, and you may have to point the technician to the proper connector (like I did) if you take it to a place like AutoZone. If the code is P0402, the diagnosis is excessive EGR (exhaust gas recalculation) flow.
What is the diagnostic code for exhaust gas recirculation?
P0402 OBD-II Trouble Code: Exhaust Gas Recirculation Flow Excessive Detected. Cost of diagnosing the P0402 code. P0402 is a diagnostic trouble code (DTC) for “Exhaust Gas Recirculation Flow Excessive Detected”.
What does early exhaust gas recirculation ( EGR ) system mean?
P0402 FORD Meaning Early Exhaust Gas Recirculation (EGR) systems component s include and EGR Valve, and Engine Control Μodule (ECΜ) Controlled Vacuum Switch Valve or EGR Solenoid and an EGR Vacuum Μodulator.
How to check for damage to the EGR system?
Checks the exhaust catalyst for damage or excessive back pressure on the EGR system. Removes EGR valve and temperature sensor to check for carbon holding the EGR valve open or the EGR bleed port not being blocked with carbon not allowing the valve to bleed off vacuum.
What is the diagnostic code for excessive EGR?
It is one of the generic diagnostic trouble codes in a number of makes and models that are related to the vehicle’s EGR. Code P0402 indicates that your car computer has detected excessive EGR.
P0402 OBD-II Trouble Code: Exhaust Gas Recirculation Flow Excessive Detected. Cost of diagnosing the P0402 code. P0402 is a diagnostic trouble code (DTC) for “Exhaust Gas Recirculation Flow Excessive Detected”.
P0402 FORD Meaning Early Exhaust Gas Recirculation (EGR) systems component s include and EGR Valve, and Engine Control Μodule (ECΜ) Controlled Vacuum Switch Valve or EGR Solenoid and an EGR Vacuum Μodulator.
Checks the exhaust catalyst for damage or excessive back pressure on the EGR system. Removes EGR valve and temperature sensor to check for carbon holding the EGR valve open or the EGR bleed port not being blocked with carbon not allowing the valve to bleed off vacuum.
