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P0173

Hello, thank you for using our service and writing in. The fuel trim codes you are pulling are more likely to pertain to the ignition coil than the spark plugs. However these codes are also associated with the mass airflow...

Those codes: P0170 (https://www.yourmechanic.com/article/p0170-obd-ii-trouble-code-fuel-trim-malfunction-bank-1-by-andrew-quinn), P0173 (https://www.yourmechanic.com/article/p0173-obd-ii-trouble-code-fuel-trim-malfunction-bank-2-by-blake-griffin), and P0335 (https://www.yourmechanic.com/article/p0335-obd-ii-trouble-code-crankshaft-position-sensor-a-circuit-malfunction-by-spencer-clayton) are indicating that the airflow coming in that is read by the MAF sensor to set up fuel injection timing does not match what the oxygen sensors are reading based on...

Hi there. The check engine light codes are for the engine running lean on bank one and bank two. Check the fuel injectors to see which injectors are not working. A lean condition is when the fuel injector(s) are not...