Why does my Mercedes Benz have a p0170 code?
Mercedes Codes P0170 P0173. Mercedes-Benz owners may notice the check engine light plus P0170 and P0173 codes. In theory, these two codes mean that the fuel mixture is too rich or too lean. Most of the time these Mercedes-Benz fault codes are caused by a defective . You can try cleaning the sensor but ….
What does the p0170 code on a fuel trim mean?
What the P0170 code means. The P0170 code means that the powertrain control module is detecting a fuel trim that is outside the range of specification set by the vehicle’s manufacturer.
What is the diagnostic code for fuel trim malfunction?
Cost of diagnosing the P0170 code. P0170 is a diagnostic trouble code (DTC) for “Fuel Trim Malfunction (Bank 1)”.
What does p0173 mean on a check engine light?
P0173 is a diagnostic trouble code (DTC) for “Fuel Trim Malfunction (Bank 2)”. This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. Our certified mobile mechanics can come to your home or office to perform the Check Engine Light diagnostic.
What are the setting conditions for p0173 fuel trim malfunction?
It is more common to see P0171, 0174, 0172, 0175 codes set with regard to fuel trim malfunctions on American cars. There is very little information on the setting conditions for a P0173, or P0173, but what information that is available almost seems to be a redundancy of the P0171,4,2 & 5 setting conditions.
What causes Mercedes Benz to run with p0170 and p0173?
If you clear the P0170 and P0173 without fixing the underlying problem those two codes will return in a couple of days. Under certain circumstances such as vacuum leaks, the car may run fine even if the CEL light is on and P0173/P0170 are present. The most common cause of P0170 and P0173 on a Mercedes-Benz is a defective mass-airflow sensor.
P0173 is a diagnostic trouble code (DTC) for “Fuel Trim Malfunction (Bank 2)”. This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation.