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TRY swapping back to your factory coils. I believe you are gonna find these coils are not compatable with the gm system. I assume truck is running fine? also the plugs may not work well with truck but this would show a po300. computer is designed to be able to tell the resistance in the coils and the amount of enegy used. when you swap with different components it messes with the values it expects to see. helped a corvette owner with similiar issues here:
Do you know for a fact cylinders one two and four are firing ?
The codes are for circuit problems with the coils on those cylinders. The coils get power from the PCM power relay and the engine computer grounds each coil to fire the spark plug. The codes mean the coils are not firing, and since you replaced the coils there may be too much resistance in the circuits coming from the computer.
Your vehicle does not have a distributor , it has coil on plug ignition system . That means it has a coil for every cylinder , the plug gap that big shorted the coil inside sending 20 plus K volts in the computer . frying the transistor that contorls the coil . You need a new PCM - engine computer . P0353 Ignition Coil Primary Secondary Circuit Malfunction That means it's going to cost you about $2,000 buck ! New computer , programming the vin into the computer an the anti-theft system programmed . Dealer only !
code p0353 refers to ignition coil C primary /secondary- circuit malfunction===causes --- wiring---ignition coil---ECM There is a possibility of ignition failure at a bad time for you. Replace the coil and check the wires and connections for dirty connectors. Have someone check the pins on the ECM for correct voltages as it may be a problem in the ECM
Symptom table:
- Open or short in Ignition confirmation signal IGF and Ignition Trigger signal IGT1 - IGT2 - IGT3 - IGT4 from Ignition coil to igniter.
- No.1 - No. 4 Ignition coil with Igniter.
- Engine ECU.
The DTC P0352 is, in
fact, the P code for a faulty ignition "coil-on-plug" for cylinder 2.
Replacing the coil should solve the problem. It's the one closest to the
front of the vehicle, and closest to the passenger's side.
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Misfire P0351,P0352,P0353,P0354,P0355, P0356 Meaning secondary circuit A,B,C,D,E,F . You may need a PCM If your car has a NGC controller it may have melted the ignition coil mounted on the spark plug. For these to happen You have a defective coil driver circuit in the PCM . This is a multiple coil failure, Before we go there lets do the basic are the connector connected? How about the conection at the juction area all connected, then pcm failed. These are secondary what is the secondary the signal that allows the coil to collapse the magnetic field and gives spark.
I just went through this. I replaced the ignition coil. Of course after trying a million other things that didn't work. ha ha It runs better than ever now.
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