What causes a P0172 code?
Here are the different possible reasons why you’re getting the engine code P0172: Contaminated engine oil (too long since the last oil change) A leaking fuel injector. Excessive fuel pressure due to restriction along the fuel return line or a faulty fuel pressure regulator.
What does System Too Rich Bank 1 mean?
System too rich bank 1 means that the oxygen sensor in bank 1 identified a rich situation (presence of inadequate amount of oxygen in the exhaust). The detection of too much fuel mean that there is insufficient oxygen. Bank 1 is technically cylinder 1, which is the area of the vehicle’s engine with the first cylinder.
How much does it cost to diagnose a p0172 Toyota code?
The cost of diagnosing the P0172 TOYOTA code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour. When is the P0172 TOYOTA code detected? – Fuel injection system does not operate properly.
How to fix p0172 Toyota system too rich bank?
How do I fix code P0172 TOYOTA Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins. Cost of diagnosing the P0172 TOYOTA code Labor: 1.0 The cost of diagnosing the P0172 TOYOTA code is 1.0 hour of labor.
What does a code p0172 on an OBD mean?
A code P0172 may mean that one or more of the following has happened: The MAF (Mass Air Flow) Sensor is dirty or faulty. Note: The use of “oiled” air filters can cause the MAF to become dirty if the filter is over-oiled. There could be a vacuum leak. There could be a fuel pressure or delivery problem
What does diagnostic trouble code DTC stand for?
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.