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2004 Chevrolet Colorado 2.8L with codes p0300 p0106 p0017 p0014 p0017 kicked all these codes at once where do I start?

Vehicle: 2004 Chevrolet Colorado 2.8L

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Best answer

P0300

Description

The random misfire DTC indicaters multiple cylinder are misfiring or PCM cannot identify which cylinder is misfiring


Possible causes

camshaft position sensor (CMP)
low fuel = less than 1/8 tank
stuck open EGR valve

P0106

Description

Map sensor input to the power control module (PCM) is monitored is not the calibrated value

Possible causes

slow responing MAP sensor
elctrical circuit failur
damaged MAP sensor
damaged PCM/ECM

Diagnostic aide

the VREF voltage should be between 4 and 6 volts

 

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Start wiuth checking the timing. These are cam sensor codes with a multiple mifire code. This indictes a possible timing chain issue.

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