will not rev - Ford Powerstroke Diesel Forum
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post #1 of 1 Old 08-11-2013, 03:29 PM Thread Starter
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will not rev

I have a '03 F450 Crew Cab Flatbed 6.0. When I start the truck up cold ,fires right up with a slight miss. The engine will not rev over 1200 rpm's until the temp gauge reaches normal operating temp. Then it rev up and go on down the road, As long as I let it set and warm up it goes. I know the slight miss is a injector and have put rev x in. I changed the oil to synthetic Rotella t6. I have just put about 1500 miles on the truck since I bought it. It has 120,000 miles and has been well cared for by previous owner, they are friends.
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