Ford 7.3L Power Stroke (1999-2003) :: Starter Engaging Randomly / Sizzling Sound Under The Dash
Aug 16, 2016
So I just bought a E99 f350 lariat. I wrecked the truck on the test drive and felt like the right this to do was to buy it. Finally have everything fixed and replaced on the truck and have run into other issues now.
While flushing the coolant system I started noticing that the starter was engaging randomly. After doing some research I found out it could be the GEM under the dash. Looked under the dash and I could here a sizzling sound and seen "smoke" /water vapor something coming off the GEM. And there is water coming through from the window/cab lights.
So. All the post I seen where from like 6 - 10 years ago. Where is the best place to buy a GEM? Will having the window replaced take care of the leaking issues on the window? What's the best after market cab lights? Cause I think they are leaking too.
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I just bought a 99 F350 to replace my 01 F250 5.4 and I'm pretty stoked. There are several problem (some i knew about, some were surprises) 1 of which is the starter. The guy I bought it off said that every 100 starts or so (more like every 4-5) the starter sounds like it free-wheels but you just wait for it to stop, turn the key again (sometimes twice) and it engages and starts (although it takes a few seconds of turning over before it fires up).
I have a buddy with the same truck and he has had to replace his starter many times and I read in an old log book from the original owner that he had replaced the starter every 25,000kms (15,000miles). I am not the kind of guy who likes to fix things to have them break again.
SO my question is, WHY do the starters on these trucks keep breaking? What is the weak link? Is it possible to re-build one with better parts at home?
Is the problem partially because my batteries are only 650CCA and 750CCA and it takes more to turn this beast over? Could it be a bendix issue?
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Four months when you tried to start the vehicle sometimes you will hear the starter. Drive in gauge but not meet the flywheel. Sometimes it would take three or four tries to turn over the engine. Yesterday went out to start the engine turn the key nothing happen no noise nothing but all the lights were working OK..
The repair shop said it was not the starter but flywheel missing teeth. But they said the main thing wrong is a need of new battery terminals. They change them in the truck started fine last night Today when my wife try to start it then come home saying thing happen nothing no sound, no nothing. Am I dealing with a bad starter solenoid perhaps or a combination of a bad flywheel??
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I have a 2001 f250 ext cab long bed 4x4 that I use as a feed pickup. I have had it for about a year now. one of the issues I have noticed since I bought it is the issue I am having with the flywheel/starter. Its very random like maybe I have a missing tooth or something on my fly wheel. but every so often when I would go to crank my truck over it would just make a little whirring sound and nothing happen ( like my starter gear isn't sliding out and engaging my fly wheel.
After looking through my inspection cover I noticed I had a little wear on the sides but no teeth to my knowledge broken or stripped off. I noticed my starter had one bold loose but other two perfectly tight. It was also covered in oil and dirt from my truck sweating horse power I decided to replace my starter and have my original ford starter rebuilt. I replaced it with a NEW oreillys starter. I noticed it cranked about 5 times as fast but again every 10-15 starts I am getting the same no start. any thing I am over looking?????
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I have had a 2000 f250 crew cab for little over a year now. Two previous times, after heavy rains, the cabin light would blink on and i would get a buzzing sound under the dash. I would solve the annoying buzzing sound by opening and closing the door. After a few times, it would work, but my clock and radio could go on without the key in the on position. The next time i used it, no problems... so i put that worry in the back of my mind.
This morning it rained really heavy, sideways type of rain. I opened the door and noticed a small puddle on the vinyl floors right where my left foot goes. OH,oh i thought, but the truck turned over and ran like normal. I picked up a heavy load of hickory in the bed and hopped back in and noticed my speedometer jumping from 0- 30 when I was going about 35. The OD light was blinking, but the transmission shifted normally. I got up to about 1700 rpm and the speedo was barely jumping at 53-55. I make another stop to unload the wood and go back home and i get an intermittent buzzing sound on the way home and no speedo. OD light would start blinking before i hit 2nd gear. I also noticed the odometer not working (speedo related, right?)
I got home and took the fuse relay cover off and found that if I would remove the #1 relay "plug" (black square box 5 prongs) that dreaded buzzing sound would go away, checked it out , plugged it back in, buzzing back on. The clock light still stays on and radio will turn on without the key. I think that water obviously leaked in over something electrical and i have been searching this and other forms for a couple of hours. I am within a couple of weeks of saving up enough to buy the gauges, exhaust and possible DP Tuner and now this happens?
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So about a week ago I noticed that my 2006 6.0 with 240k miles smelled like antifreeze. I popped the hood and noticed my dega tank was empty. I added coolant to halfway between max and min. A couple days later discovered coolant had dropped to just below min fill. Went to start it this morning and the starter won't engage the flywheel. I hear the relay click and the starter is making a whirling noise. I figure I will try to manually crank it to check if it's the fly wheel. If it's not that I guess I will take the starter to get tested. And if that's not it.. I guess a mechanic.
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Odd question, but the a/c clutch has always engaged randomly even though the a/c is not on and even now when the heat is on. Is this normal?
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I have my vacuum system back up and working and using my vacuum pump I determined my lines are all good. They hold a vacuum fine, but my ESOF isn't engaging my hubs. I guess that leaves either the selector on the dash or the seal at the hubs.
If it is the selector, I should just be able to just disconnect the vacuum line at the selector and use my pump to engage my hubs. How much it is supposed to take to activate the hubs?
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Ok, the swap is all done and I have an engine in the truck that has compression in more than (7) cylinders.
2002, 7.3, 4wd - ~120k miles on trans. Fresh fluid (Mercon V).
Put the gear selector in reverse and it goes right into gear with the normal tug and functions as it should. Put it in low gear and it also appears to work fine. But, when selecting '2' or 'drive' it feels almost like its engaging 2 gears at once?? There is limited forward motion and it feels like the brakes are on. I have not driven further than the driveway yet, but I have a long driveway...
The OD light does not come on. I am not getting any codes from AE, but I really don't know how to use it for transmission stuff (I've been using a different scan tool that I no longer have).
We have not put the bed on the truck, so no tail lights - but 3rd brake light has new bulbs and was working (didn't check this AM though... )
I have a couple other codes, CEL, 'check gauges' and no tach. Gonna start another thread for those issues, I'll put a link here in case its related.
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I had a problem with this issue a few months ago, was 45 minutes away from home, blew the fuse to the starter. Switched another one in, blew it too. Had it towed to a shop, they did some diagnostics, felt like it was a short in the starter, replaced it and all has been well (as far as that particular issue) until this morning. Got in it, turned the key it cranked for less than a second and stopped. I pull the fuse, sure enough, blown. Swap it with another, it blows.
I know I have a bare wire in the column, the OD light wire is chaffed, I fixed it before but it must be worn again because I can get it to light up depending on positioning of the shifter lever and as I recall, every time the fuse blows the steering wheel is cranked to the left.
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I just reinstalled my turbo and started the truck up to test it. After 15 seconds or so it shut down so I hopped out to take a look. I had about a gallon of oil coming down around the starter. All I did was reinstall the turbo (I had previously installed without the rear pipe hooked up). I can't see where the leak is coming from but this thing is not even remotely drive-able. My best guess is the pedestal somewhere?
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Edit, I have also noticed I have been getting low on coolant, but without any noticeable coolant leaks. My engine oil still looks clean, where could the oil be going? How do I fix it?
2003 Excursion 153,000 miles - stock injectors, gt38r with new pedestal, Adrenaline HPOP, double transmission cooler.
I've noticed after some heavy towing with my camper (8,300 lbs), I've been getting a new oil leak showing up on my garage floor. I crawled underneath this afternoon and found three large oil droplets on the starter. See picture. What could this be dripping from?
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So the truck has been stalling out and dropping power randomly, symptoms pointed to needing the 50 cent mod, changed the cps for cheap insurance and peace of mind just in case it wasn't the uvch, no dice. So last night I yanked valve covers for the first time here's what I did while I was under there, check my work.
1st I ohmed out injectors thru the 42pin harness according to tuglys sig link. My meter would only go down to a 0.4 when testing the test leads just to each other
DS injector ohms
#2 3.5
#4 3.4
#6 3.6
#8 3.6
PS injector ohms
#1 3.6
#3 3.6
#5 3.5
#7 3.6
DS glow plug ohms
#2 prong to ground 2" away 0.9 ; white connecting wire back to gp relay 0.3
#4 0.9 wire to relay 0.5
#6 infinity ohms up thru highest meter setting, checked multiple times and different ground spots,(replacing tonight) wire to relay 0.5
#8 0.5 wire to relay 0.5
PS glow plug ohms
#1 1.0 ; white wire back to relay 0.6
#3 infinity multiple tests as well (replacing tonight) wire to relay 0.5
#5 0.9 wire to relay 0.6
#7 1.0 wire to relay 0.7
Next up, ebp sensor was reading 1.9 higher than map/baro koeo, gently cleaning sensor earlier didn't work. Installed new motorcraft, will check it with Torque pro koeo once the batteries are reconnected
Next I checked the uvch connections which felt good, darn it, maybe a smidge of movement from the DS, but nothing halfway disconnected or anything. Hmm. I ground down the quarters to the top of his head and installed.
Next I torqued down the 4 bolts per cylinder of the rocker arms at 20 ft/lbs, all were perfect and snug
Next up, injector torque. I've read on here below 50, or 80 in/lbs depending on different threads and opinions that I would need to replace o-rings.
So I set the in/lb click torque wrench at 50 in/# and tested the wrench's click on the higher torqued rocker bolts, then checked all the injectors, all were good
Reset for 80in/lbs, tested, then hit all injectors, #6 almost budged but clicked immediately before the handle moved
Reset for 100 in/lb, tested on larger bolt, 2 injectors took a 1/8 turn;
Reset for official spec of 120 in/lb , tested wrench, all injectors took 1/3 to 1 full turn
Reset for 130 in/lb (above official spec, but highly recommended on here by those way more knowledgeable than me on our engines) tested on a larger bolt, slowly and carefully gave all injectors almost an extra 1/2 turn to click; whew, finally a relaxed sphincter.
At this point I knew I needed to buy 2 glow plugs today, replace, then I'll check all glow plug torque at 14 ft/lb in one go, so I got everything ready for a hot torque after I do glow plugs tonight ("unloaded" the torque wrenches) and finally installed the RiffRaff AIH delete plug. My cell phone's alarm went off to get the kids ready for school, so hit the snooze and got everything put up. Now for a nap, then buy 2 Motorcraft GP and check back on here before going back at it tonight.
I also checked the turbo for play in all directions, was nicely solid and spun smooth, no wheel damage. Up pipes and well basically everything exhaust under hood had zero signs of soot/leaks with inspection mirror.
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2001 Excursion 7.3 - stalls randomly, sometimes will not start. After the IPR was replaced it was rough for about 4 miles (I thought maybe air in the system), next 40 miles was flawless with 3 stops and restarts. Then it sat for a few hours and I went to leave again and the problem was off and on again for another 5 mile drive. Now it won't start in the driveway. It will start if I disconnect the ICP but the idle is still a little rough.
I replaced the normal culprits after a lot of searching on here:
CPS - replaced with autozone part, thought maybe it was bad new so went to ford and replaced with official part from the dealer
ICP - had oil in the plug and it would idle better removed so I replaced the plug and as much wire as I could - soldered, heat shrunk, good connections - both the pigtail and sensor came from Ford dealer
IPR - replaced with part from the Ford Dealer (FYI - 1 1/8" 1/2" drive craftsman deep socket from sears fit in the ratchet and on the part).
Grounds - found somewhere that the ground on the firewall for the windshield wipers can interfere with the CPS so I pulled it, clean the connections and made sure it was tight and secure.
No check engine light now - I received a few through the process, but did not clear them and there are no codes at this time (self cleared on the 40 mile drive)
I'm thinking it may be some electrical issue/short or a fuel issue at this point, bowl is full and the filter is fairly new (few thousand miles). I haven't done the Hutch mod, but have over 1/2 a tank.
I'm trying to get this going as quick as I can so I don't want to waste too much time, but I also don't want to miss a critical troubleshooting step to take.
Below are my thoughts on the next steps.
Research and test fuel pressure
Tow it somewhere to test each injector - I only have Torque pro to read codes and engine status
If fuel delivery checks out ok, start testing wire by wire on all of the above parts.
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My 7.3 will cough randomly on the interstate not towing or anything. It has a new turbo and filters...
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Any pic or wiring diagram of the starter relay that is mounted to the fender. I'm trying to start the truck finally but it's just cranking and I think I might have mixed up the wiring. Is there supposed to be a constant hot at the glow plug relay when the ignition is off?
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Upon trying to start my 2003 f250, it keeps blowing the 15A "Transmission Range Sensor then to Starter Relay Coil" fuse. Initially the truck would still start if i did not use the aftermarket Viper keyless start. however, now it doesn't start at all and keeps blowing fuses. I contacted the guy that installed the alarm thinking it might be something on his end. He walked me through reconnecting the factory starter wires which would isolate the issue if it was something on his end. it's still blowing fuses. battery terminals are good and clean.
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Batteries charged, connection & cables checked. After turning ignition switch, gauges on dash jump around & starts clicking in fuse panel. Top left relay then clicking sound from beside steering column on right side next to trailer brake box. Been having electrical issues & something draining batteries...had absolutely no cold start this winter. No decent mechanics here other than to be ripped a new one @ local dealership.
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I replaced my starter with a new one from car quest yesterday, it was starting to turn the engine over slow. I checked the batteries, they were fine, so went for a new starter. After installing, the new starter turned fast and fine, started the truck ok, but I noticed a fast clicking sound from under the dash. Ran it home and tried to start it up this morning, turns over fast, the clicking sound is still coming from under the dash, but the engine won't fire. Just turns over. When it's turning over the check engine (and all the other dash) lights flash.
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When driving my truck it coughs randomly not towing or anything going about 70 mph drops rps slightly and goes right back. It has 212000 miles new turbo and filters...
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Ok, so my 2002 f250 died on me last Tuesday out of the blue, pulled it home and found fuse 23 I think ECU power was blown. I removed my Hydra, and put a new fuse in it and all seemed well, then Friday evening on my way to dinner was driving along and truck shuts off like someone turned the key off. I replace the Crank sensor, even though I had put a new one in after the first time it died, which was last Tuesday, still would not start.
Pulled it home, went out Saturday morning to look at it and hit the key and it fired right off. At this point I don't really know where to look, I wiggled every wire I could find while it was running Saturday and no change, but it does seem to have a miss in it while it is idling...... I am not sure where to start looking....
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