P0170 Fuel System Diagnostics, the Step-by-Step Solution

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 P0170 is defined as “fuel trim malfunction, bank1.” This is a DTC (diagnostic trouble code) that is triggered when the fuel trim in cylinder ... P0170 and P0173 means that the system tried to go outside of the fuel trim limits. Now this can be usually caused by a bad mass airflow sensor, ... 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 ... I will take you though the repair of both P0170 and P0172 - How to diagnostic the car problems and EASYLY fix it. The car has both a problem ... List of possible causes: - Intake air leaks - Faulty front heated oxygen sensor - Ignition misfiring - Faulty fuel injectors - Exhaust gas leaks - Incorrect ... Possible causes for fault code P0101 = ECM130A Air leakage to induction system, Dirty throttle body, Blocked crankcase ventilation or PCV nipple, Faulty MAF. This thing comes and goes on me time to time with weird idle supposingly it happens if you put to much gas in the car or don't lock the gascap properly. Got bored today decided to hook up GuzziDiag on the Tuono. Found one fault: P0170. P0615 P0170 Starting relay Short circuit to positive F. There is a limit to how much the ECM can trim the fuel mixture and when the limit is reached for a specific amount of time the ECM will set the ...