Unraveling the Enigma of P0170 Fuel System Diagnosis

Googling gives me P0170 Fuel Trim Malfunction (Bank 1) - fuel trim malfunction. It does have a rough idle but has not stalled. I've gone through ... First off I have a 04 330ci. I get one and only fault code: P0170 Fuel Trim Malfunction (Bank 1). My car has 66k miles. Interestingly, I was ... hi. I have just joined the club and I need to no how to fix a error code p0170 fuel trim bank 1 problem . I have change the 2 lamba sensors ... List of possible causes: - Intake air leaks - Faulty front heated oxygen sensor - Ignition misfiring - Faulty fuel injectors - Exhaust gas leaks - Incorrect ... The Toyota FSM says the P0170 code for the 1995 LC is not set until fuel trims have reached +/- %35 and my trims are not even close to that. I am experiencing rough start and idle, usually the 2nd start of the day and CEL comes on. It will clear for a day, then come back. It is showing a P0170 code, ... I pulled the codes P0170 Fuel Trim Malfunction, (Bank 1) which many posts point to the dreaded MAF (Mass Airflow Sensor) sensor failure. Also ... A fuel trim malfunction indicates that the FI system cannot fully compensate for either a rich or lean condition. P0170 code definition Fuel Trim Malfunction (Bank 1) What the P0170 code means The P0170 code means that the powertrain control module is detecting a fuel ... P0170 is Fuel Trim Malfunction (Bank 1). Building THE GREATEST 3G to date and possibly EVER built by PharmEcis. MIVEC 6G75 Turbo 5 Speed AWD.