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2014 Chevy Silverado
Platform: Truck, GMT 400, 800, & 900

Bad PCM???????

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Old Jun 9, 2013 | 3:40 PM
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shetluck's Avatar
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Default Bad PCM???????

Engine quit, good compression, spark was irratic and weak, replaced the cam sensor, crank sensor, oil pressure sensor, cap ,rotor, wires and plugs,what did I miss, It sounds to me like the timing is out, sometimes it trys to pop out the throttle body , it acts like the ignitiopn system has no idea what the rest of the engine is doing.the only thing left is the PCM , but its only got 116K miles on it , seems a bit early for that doesn't? Also replaced coil and ignition module.
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