Possible Causes
WARNING: This page is about a different car, the 2003 Toyota MR2. However, it is still accessible from the selected car via links, so may be relevant.
DTCs P0351-P0354 are for ignitor on ignition coils No. 1-4 and are set when there is no IGF signal to ECM when engine is running. If DTCs P0351-P0354 exist, ECM will operate in fail-safe mode. Possible causes are:
- Ignition system malfunction.
- IGF or IGT circuit from ignition coil to ECM is open or shorted.
- Defective ignition coil or ignitor.
- Defective ECM.