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-   -   Glow Plugs (

GHeTTo JOe 01-17-2013 10:47 PM

Glow Plugs
ok so whats the deal on glow plugs. i came from a 7.3 turbo IDI and there was tons of posts about glow plugs, how to check them how to replace them what to replace them with etc. now the 6.4 starts AMAZING compared to the ole IDI i assume it has 8 glow plugs? has anyone ever had to replace any? is there a certain brand to stick with or stay away from? thanks guys, i know its not an issue but curiosity got me.

senix 01-18-2013 05:05 AM

Still eight plugs. Not sure of the design changes or not.

Seem pretty dependable on the 6.4. I can't recall anyone having any issues with them myself.

Maybe others will chime in.

Also keep in mind that high pressure common rail fuel injection really helps with the cold starts too.

wp6529 01-18-2013 08:39 PM

I've read a lot of posts on several forums and I don't recall reading a single glow plug issue post. 26,000 PSI electronically controlled injection does indeed do a lot to help cold weather starting. My truck started perfectly normally after a 0F night without the block heater.

GHeTTo JOe 01-18-2013 10:06 PM

so is it safe to assume that if you have a glow plug fail the glow plug light would not stay on as long like my past diesel?

senix 01-19-2013 05:35 AM

You would throw a code and probably a check engine light.

Glow plugs will still stay on a bit longer in the winter time. They also stay on for up to 2 minutes after starting the truck. You just don't see the light.

RM2738 01-19-2013 10:39 AM

Now that fuel is under such high pressures, it heats up from the pressure hence the need for a fuel cooler. Glow Plugs might not be used as long after cold starts.

weyland426 03-14-2013 09:06 AM

truck threw the code for cyliner #2 glow plug (P0672)and the code won't clear. is this a replacment i can do in the driveway or should i take it to the mechanic/dealer? the guy at my tire shop who read the code and said it was likely an over-amperage issue whereby the plug hasn't failed yet but probably will. if it fails, can other damage occur? thx


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