SOURCE: po358 ignition coil H
Hi...
On your HUMMER . the CODE P0358. refer to Electrical problem.
Or malfuntion of the ignition coil. cylinder # 7.. The last one in Driver side. Start from Front to Back. The firing order is: Driver side, 1,3,5,7,. Passanger Side 2,4,6,8.
Primary circuit. Is the Spark Plug Wire.
Secondary circuit. Is the Electrical connector on the Ignition Coil.
Check the condition of the Spark plug, Spark plug Wires. and ignition coil. and the ignition coil Electrical connector.
OK.. I hope this help on your problem.
Thank you for use fixya.
SOURCE: po358 ignition coil H
Change you coils, meaning buy new coils, sounds like you have a few bad coils, This happened on my truck, did everything you did and then finally replaced the coils and all worked fine after that
SOURCE: Which cylinders would be PO352:Ignition coil
6 Cylinder Applications
1
A
A
26
P0351
4
B
B
52
P0352
2
C
C
78
P0353
5
A
A
26
P0351
3
B
B
52
P0352
6
C
C
78
P0353
First column is of course cylinder no., 2nd is the igntion coil, 3rd is the coil driver,4th is the PCM pin number,and last the related code.
SOURCE: what will cause a primary/secondary ignition coil
Bad coil or module driver,depending on what system you have.
SOURCE: where is ignition coil H on 2004 F150 5.4
Just follow the spark plug wires. They will lead right to it.
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