Join Date: Mar 2010
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Thanked 0 Times in 0 Posts
Feedback Score: 0 reviews
Bad miss and no power at first start up
I have searched many threads, but I have not found one that relates to my problem. When I start my truck in the morning it starts really quick (actually quicker than when the engine is hot), but has a definate miss. Even after I let it idle for about 5 or 10 minutes, it still misses and has no power until I get it to about 55mph and then after that it runs fine all day, unless I let it sit for about 4 hours. The air temperature varies between 50 and 80 degrees when I start the engine, so I don't think air temp is the problem. No CEL, oil is Delo 15-40 and motorcraft filters. I have just cleaned the EGR valve as well.
2003 6.0L Crew Cab 4x4 Auto Trans, Cold Air Intake, Boost and EGT guages. Ranch Hand equipment all around, leveling kit, and Goodyear mud terrains. 117K miles and counting.