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My check engine light is flashing and idling rough
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asked
Feb 15, 2017
by
Calvin
291k po 300 code recently had a tuneup and spark plugs replaced
Vehicle:
2005 Chevrolet colorado 5cyl
p0300
check-engine-light-on
flashing
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Feb 15, 2017
by
Reynaldo
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13.4k
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P0300 Random misfire
When the CK ENG LT flashes this mean misfire condition that is catalytic convertor damaging. Besides sparkplug the ignition coil secondary ignition grounding out would cause a misfire condition.
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