Question about 1998 Isuzu Rodeo
Ignition coil c primary/ secondary circuit malfunction. how do i check it & what steps do i take to fix it?
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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Posted on Jan 02, 2017
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