P0307 code is killing me
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CF Beginner
Joined: Mar 2021
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From: Alberta
P0307 code is killing me
My 2011 silverado is running rough and keeps throwing if P0307 codes and tgan just through some P0300. I have changed my spark plugs , ignition coil for cylinder 7 swapped fuel infectors from 5 to 7 , sea foamed my cylinders and gas tank and even took the head off and found a stuck exhaust lifter and replaced and truck is still running rough. The check engine light flashes and stabiltrac turns off . I also have 125 pressure in each cylinder aswell . Any ideas out there ? I’ve been fighting this problem for quite a few months now
CF Monarch
Joined: Jul 2011
Posts: 5,920
Likes: 140
From: kevinkpk
My 2011 silverado is running rough and keeps throwing if P0307 codes and tgan just through some P0300. I have changed my spark plugs , ignition coil for cylinder 7 swapped fuel infectors from 5 to 7 , sea foamed my cylinders and gas tank and even took the head off and found a stuck exhaust lifter and replaced and truck is still running rough. The check engine light flashes and stabiltrac turns off . I also have 125 pressure in each cylinder aswell . Any ideas out there ? I’ve been fighting this problem for quite a few months now
CF Monarch
Joined: Jul 2011
Posts: 5,920
Likes: 140
From: kevinkpk
My 2011 silverado is running rough and keeps throwing if P0307 codes and tgan just through some P0300. I have changed my spark plugs , ignition coil for cylinder 7 swapped fuel infectors from 5 to 7 , sea foamed my cylinders and gas tank and even took the head off and found a stuck exhaust lifter and replaced and truck is still running rough. The check engine light flashes and stabiltrac turns off . I also have 125 pressure in each cylinder aswell . Any ideas out there ? I’ve been fighting this problem for quite a few months now
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