[Diy_efi] P0300 Random/Multiple Cylinder Missfire Detected

[mike beebe]

try looking at the coil wire. I have seen a few of the s trucks and blazers 
start arcing to the heater hose or dipstick tube i can't remember which one 
is right above the wire. to check just pull the wire of the truck and then 
the wire loom piece off the wire and look for a white dust on it.


From: "Eck, Joel" <Joel.Eck at hp.com>
>Reply-To: diy_efi at diy-efi.org
>To: <diy_efi at diy-efi.org>
>Subject: RE: [Diy_efi] P0300 Random/Multiple Cylinder Missfire Detected
>Date: Thu, 27 Jun 2002 09:35:02 -0500
>
>also, check the routing of the plug wires in relation to any other wiring, 
>if you can make a little more room for them, do so. I've seen 
>troubleshooting flowcharts for diagnosing intermittent ignition problems 
>and about half the steps involved routing the plug wires the way they were 
>originally routed and moving them away from other wiring....


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