What does p0173 mean on a DTC code?
When the fuel trims reach their rich correction limit, the PCM (Powertrain Control Module) sets a P0173, indicating a problem or malfunction in the fuel trims. It may also have a P0170 referring to the same malfunction but on bank one. Symptoms of a P0173 DTC may include:
What causes a Mercedes Benz to have a p0170 code?
P0170 and P0173 Code Causes The most common cause of P0170 and P0173 on a Mercedes-Benz is a defective mass-airflow sensor. The MAF sensor gets dirty over time triggering the CEL and the two codes.
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 causes a p0170 code on a MAF sensor?
Dirty air filter, air filter housing or Mass Air Flow (MAF) sensor, or faulty MAF sensor are common causes for the P0170 code.
When the fuel trims reach their rich correction limit, the PCM (Powertrain Control Module) sets a P0173, indicating a problem or malfunction in the fuel trims. It may also have a P0170 referring to the same malfunction but on bank one. Symptoms of a P0173 DTC may include:
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.
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 OBD code for a Mercedes C300?
After an Oil change from Mr Lube Oil Change Shop I get a lighted amber indicator light and the OBD code are P0170 and P0173 on my 2008 Mercedes Benz C300. Any feedback will be much appreciated. Thanks Mike…
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.
What does a p0170 mean on a PCM?
When the fuel trims reach their rich correction limit, the PCM (Powertrain Control Module) sets a P0170, indicating a problem or malfunction in the fuel trims. It may also have a P0173 referring to the same malfunction but on bank two. Symptoms of a P0170 DTC may include:
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 does p0170 stand for in auto repair?
Dirty air filter, air filter housing or Mass Air Flow (MAF) sensor, or faulty MAF sensor are common causes for the P0170 code. The cost to diagnose the P0170 code is 1.0 hour of labor. The auto repair’s diagnosis time and labor rates vary by location, vehicle’s make and model, and even your engine type.
Dirty air filter, air filter housing or Mass Air Flow (MAF) sensor, or faulty MAF sensor are common causes for the P0170 code.
What are the causes of the p0170 code?
What are the causes of the P0170 code? Any condition that causes the engine to run lean such as a weak fuel pump, a clogged fuel filter, or a faulty fuel pressure regulator Any condition that causes the engine to run rich such as a mass air flow sensor, manifold absolute pressure sensor, or a faulty fuel pressure regulator
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.
Can a bad O2 sensor cause a p0170?
A bad O2 sensor could cause a P0170, or P0173. Repair cause of oil leak and replace oil-fouled O2 sensor. Please help me i have my 2000 montero sport xls and i have code p0125 and p0173 please help dont have idea about cars.
What are the causes of the P0170 code? Any condition that causes the engine to run lean such as a weak fuel pump, a clogged fuel filter, or a faulty fuel pressure regulator Any condition that causes the engine to run rich such as a mass air flow sensor, manifold absolute pressure sensor, or a faulty fuel pressure regulator
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.
A bad O2 sensor could cause a P0170, or P0173. Repair cause of oil leak and replace oil-fouled O2 sensor. Please help me i have my 2000 montero sport xls and i have code p0125 and p0173 please help dont have idea about cars.
What to do if your oxygen sensor says p0170?
Common misdiagnosis includes bad Oxygen sensors or worn spark plugs. These items are unlikely to fix the P0170/P0173 codes. Always clean or replace the MAF sensor first. First, clean the Mass Air Flow (MAF) sensor. You will need MAF Sensor Cleaner to spray on the sensor.
When to use p0170 or p0173 fault codes?
It appears to me that the PCM (powertrain control module) logic used by some European car manufacturers to set a P0170 (or P0173) fault code simply isn’t used by American vehicle manufacturers. It is more common to see P0171, 0174, 0172, 0175 codes set with regard to fuel trim malfunctions on American cars.
P0170 and P0173 Code Causes The most common cause of P0170 and P0173 on a Mercedes-Benz is a defective mass-airflow sensor. The MAF sensor gets dirty over time triggering the CEL and the two codes.
What does p0173 fuel trim code bank 2 mean?
In writing this article I’ve added Mercedes-Benz-specific info since it seems that M-B (and VW) are most prone to having this P0173 surface along with misfire codes or other fuel trim codes. P0173 means there was a malfunction in the computer’s control of the air:fuel ratio.
Common misdiagnosis includes bad Oxygen sensors or worn spark plugs. These items are unlikely to fix the P0170/P0173 codes. Always clean or replace the MAF sensor first. First, clean the Mass Air Flow (MAF) sensor. You will need MAF Sensor Cleaner to spray on the sensor.
Dirty air filter, air filter housing or Mass Air Flow (MAF) sensor, or faulty MAF sensor are common causes for the P0170 code. The cost to diagnose the P0170 code is 1.0 hour of labor. The auto repair’s diagnosis time and labor rates vary by location, vehicle’s make and model, and even your engine type.
What’s the p0173 fault code for a car?
It appears to me that the PCM (powertrain control module) logic used by some European car manufacturers to set a P0173 (or P0173) fault code simply isn’t used by American vehicle manufacturers. It is more common to see P0171, 0174, 0172, 0175 codes set with regard to fuel trim malfunctions on American cars.
What does it mean when your fuel trim code is p0170?
In writing this article I’ve added Mercedes-Benz-specific info since it seems that M-B (and VW) are most prone to having this P0170 surface along with misfire codes or other fuel trim codes. P0170 means there was a malfunction in the computer’s control of the air:fuel ratio.
A bad O2 sensor could cause a P0170, or P0173. Repair cause of oil leak and replace oil-fouled O2 sensor. Among several codes my car has, one is P0447 which is listed as EVAP emission system – vent control valve circuit open. No idea as to where to start checking as i am not sure if this car has a sensor in the fuel tank.
What does DTC stand for in OBD code?
This diagnostic trouble code (DTC) is a generic powertrain code, which means that it applies to OBD-II equipped vehicles. Although generic, the specific repair steps may vary depending on make/model. This code is one that surfaces with certain makes of automobiles more than others.
What is the OBD code for fuel trim?
Code P0170. Hi, thanks for writing in. The OBD-II Error Code P-0170 indicates 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 trouble code for OBD-1 diagnostic?
NOTE: Some codes not supported on all models, consult your specific vehicle’s service manual for the correct trouble code list and description for your application. DTC – 63 MAP sensor circuit signal voltage high (low vacuum indicated) DTC – 64 MAP sensor circuit signal voltage low (high vacuum indicated)
This diagnostic trouble code (DTC) is a generic powertrain code, which means that it applies to OBD-II equipped vehicles. Although generic, the specific repair steps may vary depending on make/model. This code is one that surfaces with certain makes of automobiles more than others.
Code P0170. Hi, thanks for writing in. The OBD-II Error Code P-0170 indicates that the powertrain control module is detecting a fuel trim that is outside the range of specification set by the vehicle’s manufacturer.
What does trouble code OBD-II mean on a car?
This can be a negative or a positive fuel trim. This trouble code is a generic code, meaning it is applicable to all vehicles equipped with OBD-II, especially vehicles made since 1996 up to present. Specifications on the definition, troubleshooting and repair may vary from one make/model to another.
In writing this article I’ve added Mercedes-Benz-specific info since it seems that M-B (and VW) are most prone to having this P0170 surface along with misfire codes or other fuel trim codes. P0170 means there was a malfunction in the computer’s control of the air:fuel ratio.
What does the PCM error code p0170 mean?
Error Code P0170 is set when the PCM has detected an anomaly on fuel (fuel trim) that is outside the range of the vehicle’s specifications. This can be a negative or positive trim. This code means there’s a malfunction in the computer’s control of air to fuel ratio.
When to use the error code p0170 on fuel trim?
If the signal from the O2 sensor means the engine needs less fuel, the PCM acts accordingly through a negative trim. If the O2 sensor says it needs more fuel, then the PCM will carry out a positive trim. Error Code P0170 is set when the PCM has detected an anomaly on fuel (fuel trim) that is outside the range of the vehicle’s specifications.
What causes Mercedes code p0173?
The most common cause of P0170 and P0173 on a Mercedes-Benz is a defective mass-airflow sensor. The MAF sensor gets dirty over time triggering the CEL and the two codes.
What does p0173 OBD2 code mean?
OBD2 Code P0173 Volvo definition: This code is one that surfaces with certain makes of automobiles more than others. In writing this article I’ve added Mercedes-Benz-specific info since it seems that M-B (and VW) are most prone to having this P0173 Volvo surface along with misfire codes or other fuel trim codes.
What does code p0172 mean on a Chrysler?
A common trouble code with the Chrysler PT Cruiser is P0172. This code number references a number that is given to you when you plug your car into a OBDII scanner. It’s not the most complicated OBDII trouble code to diagnose. It is also one of the most common. It means that the motor is running with a rich condition.
What is a p1171 code?
- Definition. Injector having excessive return flow or back leakage is probably the most common of injector failure.
- which is usually its most obvious symptom.
- Possible Causes. Technicians usually start their diagnosis for this code by searching for leaks in the vacuum.