P0170 Fuel System Diagnostics, the Ultimate Guide

This code can be very difficult to resolve, and have many possible sources. The greater danger for most of us lies not in setting our aim too high and falling ... mine was bad front 02 sensor. If you have a pocket logger then pulg it in and see what the sensors operating range is. If its not moving at all ... 2018 Turbo S service code p0170 . ... Had bad fuel . Cleaned and flushed tank and lines, now check engine lamp on with service code p0170 that ... A code P0170 means that the PCM is either subtracting too much fuel and making the mixture too lean, or it's adding too much fuel to make the mixture too rich. The most common problem associated with this code is the MAF sensor or air mass meter. This is especially the case with Mercedes-Benz and Volkswagen and other ... Codes P0170 through P0175 are caused by either unmetered air entering the engine or excess fuel entering the combustion chamber, though it could ... This code rarely happens in Asian and American-made cars. For American cars, the most common fuel trim error codes are P0171, P0174, P0172, P0175. It is the ecu telling us that it is having to enrich or weaken the mixture outside its preset limits - can be caused air inlet leaks, split ... 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 ... P0170 means there was a malfunction in the computer's control of the air:fuel ratio. It also indicates that the fuel trims reached their limit of adding fuel.