Tag
#ignition coil
4 posts in Car Diagnostics blog about "ignition coil" — OBD-II diagnostics, DTC codes, repair. ← All posts
-
P0351 to P0358: ignition coil primary and secondary circuit by cylinder
These codes name the cylinder, which is more than a misfire code does at first. But the code names a circuit, and the circuit includes more than the coil.
-
Ignition coils: the symptoms people mistake for spark plugs
Coils and plugs produce similar symptoms but are tested differently. How swapping separates them, and why coils die in groups.
-
P0300: random / multiple misfire — 12 causes and a step-by-step diagnostic algorithm
Deep dive into P0300: why misfires are "random", how to narrow 12 possible causes to one in 30 minutes, what the AI agent reads from Freeze Frame and Live Monitor.
-
Engine Misfire at Idle: 10 Causes, DTC Codes and Diagnostic Order
Misfire symptoms explained: why the engine stumbles at idle and under load, how to identify the problem cylinder, which DTC codes to read first.