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Chevrolet Silverado GMT900 How to Clean a Faulty Mass Air Flow Sensor
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p0300 random misfire

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Jan 9, 2012 | 10:47 AM

#11

cffd175

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crank sensor relearn was done today and no check engine light has come on. test said i had a miss on 1,2,3,4,6,8. relearn was done and no misfires

Jan 9, 2012 | 6:47 PM

#12

EinST

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Thanks for the update.

Hopefully that takes of the original problem as well.

Jan 10, 2012 | 1:19 PM

#13

chevyfireman

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The 6.0 has to have major problem with this you have to absolutely do a KAM relearn

Jan 10, 2012 | 6:49 PM

#14

EinST

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The CKP sensor was replaced and thus apparently there was a major correlation problem between the learned variation values stored in the PCM for the original sensor vs. yet unlearned values for the new sensor.

Jan 11, 2012 | 9:57 AM

#15

cffd175

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its running great now. no check engine light and no misses.

Jan 11, 2012 | 9:58 AM

#16

cffd175

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they did a relearn and half hour test for $46.00

Jan 11, 2012 | 5:01 PM

#17

EinST

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That's good to hear. Money well spent and it looks like they didn't charge for extraneous stuff, either.

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