Cold Start Misfire - Diesel Forum - TheDieselStop.com
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99 & up 7.3L Power Stroke Engine and Drivetrain Discussion of the 99 & up 7.3L Power Stroke diesel engine and drivetrain in the 1999-Up Super Duty trucks and Excursions. No gas engine discussion allowed except on transmissions and drivetrain that pertain to all models. Please confine discussion of topics in this forum to those items that are specific to the 7.3L Power Stroke engine.

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Old 12-07-2010, 08:51 AM   #1 (permalink)
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Cold Start Misfire

So I realize every winter season people have cold start issues. Well I'm slowly starting to solve mine but need your help. Last winter I couldn't even start my truck if it dipped below 30 unless it was plugged in. I just replaced my worn out starter with a brand new High Torque DB starter. Now I can at least crank over the engine on cold morning, but when I do there is VERY obvious cylinder misfires. So obvious that it rocks my truck back and forth until it smoothes itself out.

My thoughts are either glow plugs and/or GP relay. Any thoughts and suggestions? Thanks in advance
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Old 12-07-2010, 11:29 AM   #2 (permalink)
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Quote:
Originally Posted by itorchedparis View Post
So I realize every winter season people have cold start issues. Well I'm slowly starting to solve mine but need your help. Last winter I couldn't even start my truck if it dipped below 30 unless it was plugged in. I just replaced my worn out starter with a brand new High Torque DB starter. Now I can at least crank over the engine on cold morning, but when I do there is VERY obvious cylinder misfires. So obvious that it rocks my truck back and forth until it smoothes itself out.

My thoughts are either glow plugs and/or GP relay. Any thoughts and suggestions? Thanks in advance
Think your on the right track. here's a link.
Hard/No Start? Check here first.
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