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BMW N54 Piezo Injector Voltage vs Current Waveforms

Scott Manager California Posted Edited

2008 BMW 335i 3.0L (N54B30A) 6-spd (S6-53BZ)

P0171 — System Too Lean Bank 1

P0174 — System Too Lean Bank 2

Piezo

Injector Waveform

Current

Here are two injector waveforms:

New Pico Injector Waveform

New Injector Image

Old Injector Bad

Old Injector Image

There is an article I posted in 2018 here that might be useful.

+1

Industry-leading education in technical and business management for industry professionals. Corporate Partner