Ford 7.3L Power Stroke (1999-2003) :: F350 - Heater Control Will Not Adjust
Dec 24, 2016
Heater control will not adjust, the one in the middle. I can turn it up and down, but it doesn't affect how much heat the heater is putting out. The other two work correctly. Do I have a bad switch or is the blender valve sticking? How can I tell? '99 F350, 1.25M miles.
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I have a 2001 f350 7.3 powerstroke electric shift 4x4 auto trans, truck cruise control just quit, no illumination at dash, when switched on, checked all fuses they are good, owners manual doesn't say much...
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I have an emissions test coming up. I have 3 P codes that I'd like to eliminate before then. I don't want to "fix" the issues they are telling me about. Just make the codes go away. I know why they're there I just need to get rid of them.
What I have coming up is:
P0475 Exhaust Pressure Circuit Valve (result of EBPV delete)
P0541 Intake air heater A circuit low (result of aih delete)
P0640 Intake air heater control circuit (also result of aih delete)
What resistors I'll need and where to put them in?
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I just had my turbo and the EBPV on the pedestal rebuilt. Now I need to put it back into the truck. What is the procedure, if any, to adjust the EBPV? I only use the truck to haul a 5th wheel RV and the performance chip closes the EBP valve when going down steep hills -( EXHAUST BRAKE)
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How to fix SES P0670?? I understand there's a whole procedure on checking fault.
P0670:GPCM Glow plug control module control line failure. Open/grounded circuit, open/shorted GPCM, failed PCM
But how did you resolve problem? replaced GPCM, found open circuit, short --if so where?-- or replaced with updated harness.
(4C3Z-12B568-AA connector upgrade kit as in picture)???
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2002 7.3L SD ... He told me when he was taking his son to school he turned on the heater. When he did this he could feel the truck lose power, he turned the heater off and it drove fine. Turned it back on and power loss happened again. I haven't driven it to test yet or see what is happening but I also don't understand how this can happen. The heater did get warm, and he does not have to add coolant to the system.
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1. What is the "stock" tire size for a 2000 F350 7.3 Super Duty 4x4 SRW?
2. Is there a way to adjust PCM to accommodate different tire sizes?
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The heater fan stopped blowing the other day. The fuses check out ok. What would be the most likely culprit after that? relay? Switch? Blower motor?
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I don't think that my block heater is working correctly if not at all.
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2003 CC 4x4 ... I am pretty sure I know what is going on, but I wanted to start a thread for when I confirm it. I am driving to work this AM and I hear the door ajar chime and I think to myself, uh oh...gauges all look good, there are no lights illuminated on the dash. I get to work and turn the truck off and my fan stays on. I think the ignition module is going bad. Either that, or my remote start is going on the fritz. I will update when I find out more.
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I can't get my truck to start. The block heater isn't working and I previously put flush and water in it, intending to drive it and flush it directly after. Well I never really could drive it and now it won't start again. The weather is going to turn off cold, around zero this weekend. I need to know how to keep the block from freezing and cracking!
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I wanted to specifically ask about the block heater though. Since I bought this truck I never was able to start the truck without plugging it in. Now that it's not running I'm thinking much more about the block heater.
Is 56 too low for this old truck to start? What temp should a block heater have the oil temp as seen by AE be?
I live in the southwest so it's not very cold here. plugging in the heater was even required in the summer unless the truck had been running. What kinds of engine trouble would require being plugged in in warm conditions?
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I have a 03 F-350, 7.3L. There is a slow oil leak that only leaks after I've run the truck. In other words, it doesn't just sit and leak overnight. I'll park it after running, and the next morning I'll notice a small pool of oil, approximately 2" in diameter. The leak appears to be coming from the oil pan area. I degreased the entire oil pan area to get a better visual of where the leak is coming from. I can see oil trailing down the front of the oil pan and the rear of the oil pan. Does this sound like the gasket? Or, what else could it be? I'm praying its not as bad as I think and need to replace the gasket.
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replaced heater core because when pulling a trailer it would admit steam out the defrost vents and the smell of antifreeze, what it could be?
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Doing oil cooler. Block heater plug is very tight. Is it reversed threaten?
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My issue I'm having - 2002 F350 7.3L has an 8 inch bds lift with 37/13.50 tires. I realize these tires are big but... while driving 100kms/hr or 60 miles per hour and I hit the gas the truck barely wants to move (without pulling a load). Thought maybe a turbo but I have no mechanical skills so here I am!
2nd issue, there's a bullydog chip in that truck when I bought it. he said he always ran it on extreme. I found it puffs way to much black when on extreme and on performance it seems a lot better so that's where I have it?.
3rd issue, the transmission gauge on the dash goes into red when climbing up hills ( I live in the rocky mountains so a lot!) but the bullydog chip says the tranny is only at its hottest 140C? I don't believe that's to hot but I do believe my truck is derating a little while the tranny gauge on the dash is in the red? is there any quick fixes out there for these issues.
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I just bought a 2001 F350 diesel with 120k miles on it a couple weeks ago. Friday I headed out to Oregon with my 16 foot enclosed trailer filled with jet skis (about 4-5k pounds) for a competition. A few minutes after being on the freeway I noticed the truck did not have good power. About 30 min later while climbing a steep grade the truck almost went dead.
I started at 60mph and by the time I got to the top i was at 15mph with the throttle pinned. the motor sounded funny and shook the truck more then normal. After wards on the down side of the grade the truck started to act normal. I took it to my buddies house and switched trucks because I didn't trust if for the 13 hour drive.
Today I talked to a mechanic at the dealership and he said that it sounded like injector o-rings to him. I went home, pulled the valve covers and started the motor to see if anything is leaking. steam was coming from the valve area and the down spouts on the injectors was flowing oil. The thing that looked especially abnormal was one of the injectors looked like fuel was dribbling from it. I don't know if that is a problem or not. I couldn't tell if it was fuel or oil but no other injectors had fluid coming out near the wire connections.
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2001 F350 just rebuilt the turbo, did the EBPV delete now no power.
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I need a wiring diagram for my 2000 F-350 power mirrors also to go along with the power window schematics that I posted before.
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New to the forums, not new to fords. 1999 F350 7.3L Diesel. This has been a work truck and has seen multiple devices in and out over the years. I removed the last crap for GPS tracking etc from the last owners. The truck has worked well for a long time since until...
I'm moving slowly to a different state and so the truck got parked for 2 months. went to start it and nothing. the dash comes on and all the lights come on but when you turn the key to start the power drops and nothing.
Testing so far:
replaced the fender Solenoid
tested the starter motor and solenoid -passed
replaced the ignition switch
tested continuity of the hot and ground wires to the fender and starter and everything passed
When I shorted across the fender solenoid the starter works and tries to start the truck (unsuccessfully so far)
So the wire that goes to the fender solenoid is not working and where to trace it to and what needs to be fixed. Is there a relay or fuse besides number 30 that is in the way? where does the magical wire go so i can check its continuity?
I am stuck 800 miles from where i need to be and I am stuck here. I don't have the cash to get a mechanic and my mechanic friends are stumped. I do have a Snapon modus tester, what to do with it.
FYI the batteries are new and fully charged.
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I have a 2002 F350 4wd with the 7.3. I was driving the truck and all of a sudden it was running like crap. the engine light was on. after a minute or so the engine light goes off and the truck is running fine. then again starts running like crap. I am close to the house so I limp it home. runs like crap.... will barley climb small hills. engine light is on. get home turn it off... next day... starts up and runs great for 10 - 15 min. engine light comes back on... runs like crap.... my neighbor says "It's the crank position sensor" I replace it.... runs great for a month.... now it's doing the same thing......
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