Ford Fuel System :: Liquid Soap / Shampoo In Gas Tank
Nov 4, 2002
So here's my problem, some put shampoo or liquid soap in my gas tank, I was told to put a can of Sea Foam into the tank, then fill it up with gas, they said it will not hurt anything, only make it run rough until all the shampoo/soap is out of it,.....I put the Sea Foam in it, filled it up with gas, drove it 65 miles and it drove fine, no problems what so ever,I was cruising down the interstate, had the cruise control on at 60, and it started going down in speed, I caught it at 55mph, gave it a lil gas, it started chugging for about 2 miles, then it started making this clunking noise coming from the bottom half of the motor, I gave it a lil more gas, the noise went away but it chugged for maybe another mile, then it came out of it....the very next morning, I jumped in it, went to start it and it would NOT start .....it cranks over but its acting like its getting no fuel what so ever, I had the fuel pump tested and its fine,....so my question is.....what will shampoo/soap do to a motor/fuel system and what should I check next??
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I just picked up an 85 6.9L today and took it for a good drive about 60 miles. it ran flawlessly but on the way back it started smoking a lot. I popped the hood and the head on the driver side had puddles of a blueish tent liquid, Ibelieve to be diesel but the color has me confused. Where this could be coming from? also. with the intake disconnected the truck smokes out the intake after being shut off. is this normal?
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This van has had a couple of fuel pumps, no surprise there, and i need to look through my paperwork and find out how many miles the current one has on it, but it has the STRANGEST habit I've ever had on any vehicle. Starts fine, runs fine, no fuel pump noise when van is running, and when you turn it off, the fuel pump creeks on and off for several minutes.
I mean a strange creaking noise almost like a shorted electrical device or a vehicle's brakes when you park it on a hill and the breaks creak as it settles into place. I'm probably doing a lousy job of describing this but i don't know how else to describe it!
ALSO, if you lay under the van and wait til it stops creaking, you can tap the bottom of the tank and it will creak for a few more seconds. You can tap repeatedly and make it creak more. Is it about to explode? Can i trust it on a road trip?
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My vehicle:
1976 F150 2wd Extended cab
390 4bbl
c6 transmission
4BBL Edlebrock Carb
Dual fuel tanks, only rear main tank connected
My problem: For the first year I owned the truck, everything ran fine and it started up really quickly even after it sat for a few days or a few weeks. I have since, for about the last year or so, had to crank it for 30-45 seconds to get it to start. This all started around the time my fuel pump went out. I replaced it with an Airtex fuel pump from Autozone. I also installed a glass in line filter before the carb in front of the distributor.
I noticed that after about 4-6 hours, the fuel had drained out of the filter and that's when I would have to crank it forever to get it going. It also seems like there is no fuel in the carb as it doesn't even try to start when it first gets cranked. I thought this was a bad pump, so I bought a new one last week and tried it again. Sure enough after about 4-6 hours, everything is empty again and it takes forever to start it. So it's not a bad pump, or so I think.
The other day I backed it into my driveway and left it, something I never do. I checked about 4 days later and there was still fuel in the filter. This makes me think that gravity is making it drain back to the tank.
Is there something that would cause this? Also I have found a one way fuel check valve online that is supposed to remedy this type of problem. Do they work for this situation? Or is there something else I should be doing to fix this? It has taken a bit of a toll on my starting system having to crank so long all the time. I have so far had to replace my starter, starter solenoid, and all the battery cables, starter cable, terminals, etc. due to excessive wear.
The valve I found is here : [URL] .....
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1990 f150
I have a leak in my rear fuel tank, the front tank has been blocked off and is not used, The leak is at the seam of the two part tank, once removed is there a way to seal this? or should I just replace it?
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I have a tank that's been out of my truck for a couple years. I want to clean it up real good inside before re-installing. Are there any products you can recommend that will give a deep clean on the inside to remove any gunk and some slight rust? Also, is there a product that should be used to coat the inside of the tank after it's been deep cleaned?
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I am unable to get fuel delivery from tanks to engine in normal operation. I can however get pumps working with jumper wire to them. It will start with ether but not stay running on it's own. Could this be a relay or something in tfi thing ?
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I just changed my fuel tank and now when I try to fill it up it keeps blowing back it never did this before.
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I have a 1986 F150 6 cyl, dual tanks, no AC, manual fuel pump. Just recently, I have been having issues with the tanks. At first it seemed like the back tank was siphoning from the front tank. Now I have fuel coming out of my front tank filler neck. When I open the back tank gas cap, there is enough pressure to spray me with gasoline. I am not familiar with the fuel delivery system of my truck ...
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I recently purchased a used 1999 F250 Super Duty with about 150k miles on it. The truck runs great and I have no complaints but there are a few things that need to be taken care of. It looks like there is a very small fuel leak where the filler neck ties into the rubber hose that runs into the fuel tank. There is a thin film of diesel along the side of the tank, on the leaf spring, the air bag and various other places. Nothing is dripping. I want to drop the tank and replace the hose. The Haynes manual says to depressurize the whole fuel system--is this really necessary if I don't plan on doing anything to the system aside from dropping the tank?
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This is on my sig truck. I can hear the pump running, and a sound like fuel spraying around inside the tank, but not getting any up front to the carb. What is the most likely culprit for this? Can't get the bed off, or get the strap bolts loose, so I haven't been able to "eyeball" anything, yet.
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I have the dual tank setup & this is my problem.
Last year I replaced both tanks - the front was leaking bad and rear was starting to leak. After replacing both tanks, the rear tank (which I was using before) was unusable - it would idle fine and when applying throttle would stall out. The front tank's gauge did not work.
This week I pulled both tanks. Had new gauge assembly put on front pump unit. Also had the rear pump replaced with a new (rebuilt?) one. Installed both tonight. Now the front tank is running fine with a gas gauge. I Filled up the rear and once I had about 16 gallons in, fuel started leaking from the front top of the tank it looks like (where in-tank pump is). This leak has continued as the truck was turned off too. I think it may have stopped now, but its dark and I am parked on a hill. As another problem, I still have the same "stalling" problem. The rear will idle fine, but start to stall out when a load has been applied.
So to summarize:
- What is causing it to want to & stall out?
- Why am I leaking gas?
It seems to stop dripping gas after (maybe) the pressure is lower from leaking the gas out. Also, when 1st starting it up on the front tank, it wants to stall out...probably from the gas that leaked out while it was shut off? The truck will run for about 1/20th of a mile on the rear tank when initially starting it up before showing signs of stalling.
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I have a 85 e-250 351 4 barrel with two tanks. My tank selector switch was bad, and I have no clue how long the gas has been in my front tank, but it is very bad. I have tried to siphon it out, but for some reason it wouldn't start flowing, and I tried to drain it from behind the fuel tank selector valve, but it wouldn't flow. I figure i need to pump it out, so my question is what is the best method to pump out 25 gallons of bad gas?
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Do the dip tube/fuel pickup tube inside the fuel tank is replaceable? The tank I have is a behind the seat tank.
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Ok heres the story 1994 ford f250 7.5 4x4 dual tanks I used both front and rear tanks regualrly than one day front tank stoped working fuel pump doesnt turn on when key is in the on postion now you can hear the rear turn on when switched to rear tank took off pigtail connector to front tank no power at all to tank took off swith in dash no power there either good relay and fuse funny thing is with swith turned to front fuel guage reads correctly switch to rear reads correctly Im stumped because oveiously Im getting power to the switch but checked wires at switch and cant get any power or at front tank but power to rear.
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A while ago, the front (mid) tank on my '97 F350 4x4 stopped functioning. I thought that because when I'd switch to the front tank, it died. I decided to put it off and use the rear tank cos it worked.
Today I accidentally bumped the fuel tank switch to front, and it was working! Truck didn't die then I noticed the fuel gauge pegged past full. Having tested older trucks by grounding out the gauge sending unit wire, it would peg past full. So I think I had an electrical issue that caused the front fuel pump to stop working in the first place, not that it went bad as I originally thought...
So, does that mean the front fuel pump had been working all this time, just not grounded? Does the front fuel pump ground itself on the tank or is there a grounding point? I currently can't find any way to see how it was grounded, as it's crusty and all.
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I just got a 1994 F150 with the 5.8L motor its a 4X4 with Auto trans. I have the dual tanks set up, midship and aft-axle and both tanks leak, more aft-axle then front. I was wondering how difficult is it to remove and install these tanks and what are some tricks to solve the problems I'll run into?
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I have a '88 F250 with a couple of dual tank issues, first of all if I'm running on the rear tank the fuel returns in the front tank.... not an isssue if trhe front tank is empty, but if both tanks are full the front tank will overflow. If the front tank is empty I run on the back tank until I'm out of gas and switch to the front and I"ll have about a half a tank in the front tank.
Second issue, running the front tank the fuel gauge stays on full until I have about half a tank, then it works OK. If I'm running the back tank it stays on full, even after the tank runs out of gas??
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1987 f150 302 4spd 4x4. When I bought the truck 4 years and 12K miles ago the orig owner had just installed a new front pump (in tank) and new switch thing on the frame rail. He said shortly after that the rear pump stopped working so he just ran off of the front tank. That's what I've been doing also except as of the last few months it has started to leak from the rear tank (I don't ever put gas in it and was empty when I bought it) and dies periodically from time to time? Where the leak could be coming from. I do suspect the dying has to do with the leak though.
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I have a 92 f150 w 302 . My front tank leaks out of the gas cap and builds up pressure. Even though I have never put fuel in it (owned it 7 mos). I siphon fuel out of it weekly. If I switch from rear to front. The truck stalls out.
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I am a little skeptical of this, but someone told me that since I got water in the gas tank of my 2003 F250 I should blow compressed air into the schrader valve on the fuel rails to eject it all into a bucket under the disconnected fuel filter.
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