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2006 Ford 6.0 knocks bad Sign up here! Search this forum this category all forums for All words Any words Whole Phrase (search options) Auto Repair Home>> Automotive Repair>> Engine Troubleshooting valleybusman User May 30, 2012, 9:42 PM Post #1 of 4 (2430 views) 2006 Ford 6.0 knocks bad Sign In I have a 2006 Ford 6.0 Diesel in a E450Cutaway van. The van has 105,000 miles with an automatic.When it's cold it starts very hard . When it does start the engine will knock like crazy. Sounds really bad like it's going to hammer itself to death.The engine high idle will not kick on and it sounds this way for at least 20 minutes. A couple years ago the egr cooler went out and flooded the radiator with oil. What could be causing this rough condition. It also smokes bad with blue smoke never did that before.Please help !!!!! nickwarner Veteran / Moderator May 31, 2012, 7:14 PM Post #2 of 4 (2369 views) Re: 2006 Ford 6.0 knocks bad Sign In Get the trouble codes run and check the FICM. They can cause this to happen pretty easily. Not only will the FICM control the injectors as directed by the PCM, it amplifies the voltage from the 12v your truck uses to the 48v the injectors need to work right. Get it to start dropping around 36-40 volts and it will do this. valleybusman User Jun 1, 2012, 9:37 AM Post #3 of 4 (2351 views) Re: 2006 Ford 6.0 knocks bad Sign In Thanks Nick for replying I have one other question whats the FICM and how do I check it ? I do have a scan tool from gynesis just no engine lights are on ? nickwarner Veteran / Moderator Jun 5, 2012, 4:09 PM Post #4 of 4 (2327 views) Re: 2006 Ford 6.0 knocks bad Sign In The FICM is mounted on your left valve cover. It is basically an amplifier to turn the 12v power of your truck into the 48v it takes to trigger your injectors properly. The ECM controls it. If it fails it usually throws codes. I would watch the PID list on the scanner and see if it will show you the high pressure readings from the ICP sensor. It may also show the voltage at injectors. Haven't played with many on my scanner and been a while since the last one, so not sure exactly what you can view on it. It may take an o-scope to watch voltage on the injectors themselves. Now that I think of it, have you verified that your glow plug system is operating properly? Thats an easy way to make a diesel start like crap.   Automotive Repair     Auto Body Repair and Refinishing     Heating or AC Issues     Electrical and Wiring     Brake Systems     Car Stereo Repair Advice     General Discussions     Car Making Funny Noises     Engine Fault Codes     Engine Troubles     Exhaust Systems     Steering and Suspension     Transmission Troubles     Tricks of the Trade Automotive World     General Discussions     Antique Car Talk     Car Shows and Events     The Bargin Bin     Motor Vehicle Inspection     Car Care Tips     Traffic Tickets     Gasoline, Motor Oils, Concept Cars and Engines     Auto Insurance, Financing, Leases, Warranties Truck Repair     General Discussions     Truck Engine Repair     Truck Suspension Repair Motorcycle Repair     General Discussions     Motorcycle Engine Repair CarJunky     Open Posting     Board FAQ's     New Board Suggestions

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