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Automotive Repair Car Troubleshooting Topics   Car Troubleshooting   Engine Troubleshooting   Engine Fault Codes   Electrical and Wiring   Transmission Problems Car Repair Topics   Car Making Noises   Car Stereo Repair   Heating or AC Issues   Motorcycles and ATVs   Tricks of the Trade   Truck Repair Advice Site Options:      Login   Sign up here! Latest Forum Post   2011 Dodge Nitro OBD scanner seems to drain battery in 10-20 minutes When I bought this car in summer 2023, a... Grounding Cable, 2017 Jeep Renegade Trailhawk The Cable that connects my negative batt... Rough Idle (Found new thing) Hi everyone. First of all sorry for bad ...     equipment hey yall. im a first year engineering st...   HELP I have a 1956 1/2 ton panel truck, 69 35...   Howdy     Just wanted to s...   ABS/Tractiob/Brake Lights on But No DTCs Hello all, Recently while driving m...   Chevy strut replacement I'm trying to get a sensor of some kind ...   2020 suburban new transmission and issues after install recently had the transmission fail at 11...   Caliper piston post cleaning won't screw in Hello, 2013 Hyundai Elantra limited (ma...

Search Auto Parts Search f 350 trouble codes Sign up here!   Email This Post Auto Repair Home>> Automotive Repair>> Engine ODB2 Fault Codes rdp1987 New User Oct 6, 2012, 8:30 AM Post #1 of 4 (3689 views) f 350 trouble codes Sign In 05 ford f350 6.0 dsl 2wd i have pulled three codes 1. manifold absolute pres. barometric pressure correlation 2. exhaust pres. sensor 3. exhaust pressure control valve high what is wrong and how to fix it my egr has been bullet proofed Discretesignals Ultimate Carjunky / Moderator Oct 6, 2012, 8:39 AM Post #2 of 4 (3669 views) Re: f 350 trouble codes Sign In What are the trouble code numbers? Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved. rdp1987 New User Oct 6, 2012, 8:41 AM Post #3 of 4 (3667 views) Re: f 350 trouble codes Sign In p0069 p0470 p0478 bullydog chip got the codes Discretesignals Ultimate Carjunky / Moderator Oct 6, 2012, 8:59 AM Post #4 of 4 (3648 views) Re: f 350 trouble codes Sign In For the P0069 you need to get hold of a scan tool that can read the BARO and MAP sensor PIDS (parameter identifiers) to see if their values are close to the same as the barometric pressure of the location, day, and altitude where you are at. The PCM is detecting a difference between the readings it gets from those two sensors. Using the data you get from the scan tool you can determine which part of the system to chase. The P0470 means the PCM is detecting a performance or out of range problem with the exhaust pressure sensor. You need the scan tool to monitor the EP sensor PID. It should be less than 18.5 psi with the ignition on engine off. If it is not less than 18.5 psi, compare it to the MAP and BARO PIDs. It is possible the MAP and BARO PID (P0069) will have to be resolved first, so you can correctly diagnose the P0470 code. P0478 has to do with the an input problem for the variable geometry turbo charger system. One of the sensors the PCM uses to control the VGT solenoid is the EP sensor. Since the EP is setting a code, that should be figured out first to see if it resolves the P0478 code. Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.   Email This Post   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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