What is the free Mercedes Benz code p0172?
2009 CLK350 49792 miles, Check Engine Light came on. Stopped by my O’Reily’s for a free code check and came back P0172. So went back to O’Reily’s and bought MAF Cleaner $7.99, followed instructions removed air cleaner and MAF sensor, sprayed several times, it did not look dirty at all.
What causes a car to throw a code po172?
The most common reasons include a faulty oxygen sensor or a dirty mass air flow sensor (MAF). In addition, here are some additional causes of throwing code PO172. Faulty fuel injectors leaking fuel into the combustion chamber
What to do if check engine light code p0175 persists?
If check engine light code P0175 persists after you have inspected the air intake system and cleaned the Mass Air Flow (MAF) Sensor, perform a fuel pressure test. If any components in the fuel system are failing, replace them as necessary.
What does Bank 2 of p0175 mean?
Code P0175 Definition Bank 2 has too much fuel or not enough air. What Does P0175 Mean? Combustion engines run most efficiently when they maintain an air-fuel mixture ratio of 14.7 parts air to 1 part fuel.
2009 CLK350 49792 miles, Check Engine Light came on. Stopped by my O’Reily’s for a free code check and came back P0172. So went back to O’Reily’s and bought MAF Cleaner $7.99, followed instructions removed air cleaner and MAF sensor, sprayed several times, it did not look dirty at all.
What does fault code p0172 and p0175 mean?
P0172/P0175 Diagnostic Theory for Shops and Technicians. When a vehicle has the fault code P0172 and or P0175, it means that computer can no longer automatically adjust the mixture between air and fuel. Code P0172 applies to Bank 1 and P0175 applies to Bank 2.
Where can I find the Mercedes Fault code?
Any of the scanners listed above can read and clear the Check Engine / Service Engine Fault Codes. The codes above are retrieved by plugging a diagnostic scanner into the OBD-II port located under the dash, and scanning for fault codes. Location of OBD II port used to retrieve Mercedes-Benz fault codes.