When to use p0170 or p0173 fault codes?
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.
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.
What causes a p0170 fuel trim malfunction?
It may also have a P0173 referring to the same malfunction but on bank two. Symptoms of a P0170 DTC may include: Potential causes include a vacuum leak, unmetered air leaks Fuel saturated engine oil Leak in turbo air charge hoses (if equipped) Possibly bad O2 sensor (If Mercedes, may require adaptation with M-Benz compatible scan tool.)
What are the symptoms of a p0170 DTC?
Symptoms of a P0170 DTC may include: Potential causes include a vacuum leak, unmetered air leaks Fuel saturated engine oil Leak in turbo air charge hoses (if equipped) Possibly bad O2 sensor (If Mercedes, may require adaptation with M-Benz compatible scan tool.) Oil contamination in MAF connector or O2 sensor connectors.
What causes fault codes p0170 and p0173?
If P0170 and P0173 were caused by a bad MAF sensor and you replaced the sensor, the CEL should turn off in a couple of days. Even if you don’t clear the codes. If the fault codes are caused by a vacuum leak, the CEL will stay on or return.
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.
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.
How much does it cost to diagnose a 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. Most auto repair shops charge between $75 and $150 per hour. How much do you know about cars? When is the code detected?
