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OB Mechanics help needed. (***Update***)

Posted on 6/10/13 at 8:28 am
Posted by AngryBeavers
Member since Jun 2012
4554 posts
Posted on 6/10/13 at 8:28 am
Drove my buddy's truck down to the coast to wade fish this weekend and there were no problems on the way there or back. Today he says it's bucking at idle on his way to work and the check engine light is on. My first thought is it's either bad gas because we filled up that morning or water got into the intake when going through some puddles. If it's water I've read that alcohol will take care of it. Can anyone confirm that or have any other suggestions?

UPDATE:

Diagnostics read code P0301 Cylinder number 1 is not firing properly.
This post was edited on 6/10/13 at 2:14 pm
Posted by DownshiftAndFloorIt
Here
Member since Jan 2011
66763 posts
Posted on 6/10/13 at 8:31 am to
Check the engine code at autozone and report back.
Posted by AngryBeavers
Member since Jun 2012
4554 posts
Posted on 6/10/13 at 8:32 am to
quote:

Check the engine code at autozone and report back.


Already told him to go do that at lunch. I'm hoping it's just a sensor.
Posted by Motorboat
At the camp
Member since Oct 2007
22682 posts
Posted on 6/10/13 at 8:35 am to
quote:

when going through some puddles


What kind of puddles are we talking about here?
Posted by AngryBeavers
Member since Jun 2012
4554 posts
Posted on 6/10/13 at 8:37 am to
They came about half way up the tires. The truck also has a 3 inch lift so it's pretty high off the ground.
Posted by meauxjeaux2
watson
Member since Oct 2007
60283 posts
Posted on 6/10/13 at 8:38 am to
so,you're not going to tell us what year make and model truck it is and expect someone to help.
Posted by skidry
Member since Jul 2009
3265 posts
Posted on 6/10/13 at 8:39 am to
He can pick up a fuel treatment while there too if you're worried about water.
Posted by cchoque93
Alabama
Member since Dec 2011
726 posts
Posted on 6/10/13 at 8:40 am to
What kind of truck?
Posted by AngryBeavers
Member since Jun 2012
4554 posts
Posted on 6/10/13 at 8:40 am to
2010 Silverado
Posted by eng08
Member since Jan 2013
5997 posts
Posted on 6/10/13 at 8:45 am to
More importantly, did you catch any fish?
Posted by meauxjeaux2
watson
Member since Oct 2007
60283 posts
Posted on 6/10/13 at 8:47 am to
probably got some water around one of the coil packs.
Posted by AngryBeavers
Member since Jun 2012
4554 posts
Posted on 6/10/13 at 8:50 am to
quote:

More importantly, did you catch any fish?


1 Sheepshead not big enough to keep. Texas fishing is way slower than Louisiana.
Posted by Motorboat
At the camp
Member since Oct 2007
22682 posts
Posted on 6/10/13 at 9:17 am to
quote:

Texas fishing


Yep--you can have that shite.
Posted by AngryBeavers
Member since Jun 2012
4554 posts
Posted on 6/10/13 at 2:14 pm to
quote:

DownshiftAndFloorIt


quote:

Check the engine code at autozone and report back.


Updated in the OP.
Posted by meauxjeaux2
watson
Member since Oct 2007
60283 posts
Posted on 6/10/13 at 2:16 pm to
water on coil as I said.
Any idea what engine? 6.2l?
I'd check cylinder compression because those engines have been known to break valve springs from time to time.
This post was edited on 6/10/13 at 2:19 pm
Posted by Jester
Baton Rouge
Member since Feb 2006
34311 posts
Posted on 6/10/13 at 2:18 pm to
quote:

Silverado



Found it.
Posted by AngryBeavers
Member since Jun 2012
4554 posts
Posted on 6/10/13 at 2:20 pm to
quote:

water on coil as I said.


Take it apart and dry the coil then?
Posted by meauxjeaux2
watson
Member since Oct 2007
60283 posts
Posted on 6/10/13 at 2:23 pm to
what size motor? Makes a difference.
Posted by AngryBeavers
Member since Jun 2012
4554 posts
Posted on 6/10/13 at 2:30 pm to
5.3 L
Posted by meauxjeaux2
watson
Member since Oct 2007
60283 posts
Posted on 6/10/13 at 2:38 pm to
then no. That motor has plug wires that run traditionally.
Probably will need a new coil.
try swapping out with a coil from the other side and read codes again to see if the misfire follows the coil pack.
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