Question about Cars & Trucks
Chevy suburban 5.3L 2005
Posted by Anonymous on
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Posted on Jan 02, 2017
SOURCE: po358 ignition coil H
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.
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Posted on Sep 23, 2008
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
Posted on Feb 09, 2009
6 Cylinder Applications
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.
Posted on Feb 19, 2009
bad ground connection for coils or harness is bad for coils
Posted on Mar 05, 2010
Testimonial: "I will have to investigate any know problem areas"
SOURCE: obd code po353
P0353 is the DTC (Data Trouble Code) for "Ignition Coil C Primary/Secondary Circuit Malfunction", and it will require the use of a DVOM (Digital Volt/Ohm Meter) to test the coil, and you will need to check the resistance between the primary and secondary windings and they should be between 1500 and 50000 ohm's, and the resistance between the coil windings and ground should read infinity, but I have yet to see a coil that did not need to be replaced when that DTC pops up, and you should replace that coil, and also check to see if the spark plug is worn out, and if is worn out then replace them all along with any worn out or torn coil boots, a worn out spark plug will cause the coil to work harder and shorten the life of the coil.
The "C" coil is the third coil in the firing order, and if you have the 3.2 liter engine then it should be using a COP (Coil On/Over Plug) design and here is a diagram of the firing order and cylinder layout, and you can see that the "C" coil will be on the #3 cylinder and spark plug. (The second or middle spark plug on the right or passenger side of the engine).
The 2.2 liter engine uses separate coil packs, the "C" coil will be for the #4 cylinder and spark plug, and you should replace that coil pack. Also check the spark plugs for wear and the ignition wires should be replaced if they are over five years old and stock wires will usually have a date on them when they were manufactured and installed.
Posted on Jun 05, 2010
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