Jeep yj fuel return line

I took the old metal tank out of my 89 and used a 20 gallon tank for a 94 or 95 YJ with the in tank pump. It needed a supply and return line so I used a corvette regulator mounted to the frame back by the tank therefore only running one line forward to the fuel rail. The only thing different was I was feeding a V8.

Jeep yj fuel return line. 8. 87YJerryRig Discussion starter. 132 posts · Joined 2003. #1 · Sep 1, 2011. Under the Jeep trying to wrap up fuel lines for my 87 4.2L to 4.0HO engine swap. which is the fuel supply line and which is return line in the pic. Is it the one closer to the radiator (smaller diameter) or the other one (larger diameter)?

There are 2 connections on the fuel tank sender unit. I'm guessing the larger line goes to the fuel pump and the small line is the return line. Where does the return line originate from in the engine compartment. I know there are 2 hard line along frame but not sure where to hook up the return in engine area. Picts would help. 79 CJ7 with 360.

dodger889. 4184 posts · Joined 2009. #2 · Nov 30, 2010. Large one is 5/16 and the return is 1/4. But the 5/16 will supply enough to run a 350 tbi. A 89 yj with a 4.0 aw4 sye out of an 92xj. Now the hard part is done time to get it up in the air just a bit. Working on 8.8 with 3.73 and lsd for the rear. and new D30 hp with 3.73 .The return line helps bleed off the vapor and return it to the tank, and also allows more fuel to keep passing through the fuel lines to keep cooler fuel present. The fuel return does work in reducing vapor lock. I don't have a return line on mine, but if I did have problems with vapor lock, I would use one. mostly stock 74 cj5, 258, t14, d20 ...In today’s competitive business landscape, optimizing return on investment (ROI) is crucial for companies of all sizes. One area where businesses can significantly reduce costs and...Jeep: 1987 4.2l, weber carb, standard transmission. So in doing maintenance yesterday (Fuel filter, spark plugs, oil change) I went down to my local Napa and got a fuel filter. I get it home and realize the fuel filter(the one it came with) was a 1 inlet, 1 outlet filter whereas the new has 2...Hi everybody, and welcome to my "stevenofpa" YouTube Channel!This video shows you what it's like to see this 1991 Jeep Wrangler YJ with the gas tank fuel tan...

123 posts · Joined 2011. #1 · Sep 17, 2012. So my 92 YJ 4.0L is leaking fuel, which I need to fix asap. Most of the threads I've seen is where the fuel line has been leaking towards the rear of the Jeep. Mine is right where it bends up to the engine bay, it's like a rubber hose.Return line at 0psi so that looks clear. Checked temp sensor and ohm readings go down when warm. Map sensor checks OK. Grounds and voltage to the ECM is good. New coil and timing set at 8 BTDC Vacuum lines are all new and confirmed correctly hooked up. When I installed the used kit I used new O2, Coolant sensor, and fuel filter.Fuel Line Repair Kit (87-95 Jeep Wrangler YJ) Fuel Line Repair Kit. (87-95 Jeep Wrangler YJ) Item J113450. Save. Verify parts fit and get product recommendations. Wrangler Sales Techs: Connect Now M-F 8:30A-11P, Sat-Sun 8:30A-9P. Call now 1-877-870-8556 Chat Now.YJ Fuel Line - Rubber hose section. 89 YJ 4.2L. Leaking fuel line and not sure what size or how to get the clamps off to replace the line. There are 2 short hoses that are on the driver side engine, one goes from the metal fuel line to the filter and the other line goes to the mech fuel pump on the passenger side.Feb 12, 2020 · Only one pressure line, other two are evap lines I think. fuel return will be added after I add the novak kit. O. ol rob. 68 posts · Joined 2019. #3 · Feb 13, 2020. I ran a 6AN pressure line from the LS regulator to the engine and completely removed all of the Jeep fuel system. I also made the short return like Novak suggests.

1994 Jeep Wrangler YJ 2.5 5 spd .Painted camo green , 4" Rough Country suspension lift ,32 x 11.50-15 Nankang Mudstar M/T tires on steel stock rims painted black .Home fabbed bumpers with front and rear tow points .Maradyne electric engine fan . ... The return line is 5/16 at the fuel rail so the rubber hose can go straight to it. I made sure ...95 jeep wrangler 2.5L. I've got extremely high fuel pressure at the rail, i've tried everything I can think of but I may have missed something somewhere. I have a really high fuel pressure at the fuel rail. my jeep started sputtering like it was running out of gas. put a full tank of gas in my jeep as well as some wynns (fuel injector cleaner ...This comprehensive guide focuses on understanding which airlines levy fuel surcharges and which frequent flyer programs don't pass them on! We may be compensated when you click on ...The top one goes to the return line. The return line connects to the extra nipple in the sending unit on the top of the gas tank. The lower outflow line on the filler goes to the carb. It is not uncommon to hear of guys removing the return line during a mod but in the end the line always needs to be restored in order for the engine to run properly.

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1324 posts · Joined 2010. #2 · Jun 14, 2011. For the '88 4.2 you should see the fuel filter inline just ahead of the carb. It should have an input line on one side and two outputs on the other. One goes to the carb and the second is a return line. When you put in the new filter, make sure that the filter is positioned so that the return line ...If not search the internet just put in YJ fuel tank hose and see what you find. 89 2.5 TBI, 4" RC lift, 1" Booms, SYE, Adams Driveshafts front and rear, Ford 8.8 with 4:88s, BFG 33X12.50X15, and a ton of other stuff. AF Jeep Club Tail Number 184. Like.May 5, 2023 · Replacement Fuel Lines for 1994 Jeep Wrangler: Products – Inline Tube. 86 CJ7- 304V8,Holley Truck Avenger carb,T5 with D300. D44 with TracLok,3.31 gears, 4" lift. 33x12.5/15 KO2's, Painless Wiring, SpeedHut gauges. You never know the value of a moment until it becomes a memory, Diane M Reynolds 1960-2022. Share. Satisfaction Guaranteed No hassle return policy; ... Crown Automotive Fuel Sending Unit and Fuel Pump for 87-90 Jeep Wrangler YJ with 2.5L 4 Cylinder Engine & 15 Gallon Fuel Tank. ... will not fit into the fuel line connector on my 1995 Cherokee XJ. Submit your own Review; Questions. Eli S. 2/28/2020.You can replace them with bulk FI hose and good hose clamps. If you are replacing the hard lines, you can use a flaring tool to put a little bubble flare on the ends of the lines to give a good grip on the rubber hose/clamps. Same with the vapor hard line. Nothing special. '91 YJ Sahara 4.0L/AX-15/NP231, D30/D35 @3.07.Nov 6, 2019. #3. The clip at the lower side of the steel line bolts to the block low down. The steel tube runs up and over the intake then uses a hose to connect to the fuel filter. The long hose in your pic then connects to the steel return line to the tank. The FSM for 84-86 CJ's is on line in a few places, won't have pics, but will have ...

1. MSRP: $29.60. $20.03. Add To Cart. Genuine Mopar Parts, the Right Choice. MoparPartsGiant .com offers the wholesale prices for genuine 1994 Jeep Wrangler parts. Parts like Fuel Lines, Front are shipped directly from authorized Mopar dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options.1990 Jeep YJ 4.2 Howell EFI, BDS 3.5" lift, M.O.R.E 5/8" Boomerang shackles, 1" Daystar BL, 1" JKS MML, TFI, Crager soft 8s w 35" Dunlop Mud Rovers, Ford 8.8, 4.88s, Dana 30 E-Locker, Terra Flex SYE, Tom Woods CV shaft, Warn M8000. ... efi return line / gas tank spits wires are fine. Its just the high pressure of the return line . …Can hydrogen be the fuel of the future? Keep reading to discover if hydrogen is the fuel of the future. Advertisement When it comes to looking to the energy source that will replac...25643 posts · Joined 2008. #7 · Jun 3, 2010. If you only have 2psi then you know the problem is not enough fuel pressure. The question is if its your pump, fuel lines, the fuel filter/regulator (I didnt know that one) or you tank pickup. If you pinched the line and pressure shot up then it sounds like the pump is trying to put out enough ...If not search the internet just put in YJ fuel tank hose and see what you find. 89 2.5 TBI, 4" RC lift, 1" Booms, SYE, Adams Driveshafts front and rear, Ford 8.8 with 4:88s, BFG 33X12.50X15, and a ton of other stuff. AF Jeep Club Tail Number 184. Like.The fuel return (is 5/16" hose) and the vent / rollover is 1/4" hose. Note that the TJ's don't have a return fuel since the fuel rail regulates the pressure. In our YJ's, excess fuel is piped back into the tank. This is another reason why it is good to have more pickups so return fuel isn't splashing the RCI pickup pipe. More on the pickups ...New Evap Charcoal Canister from AC Delco. Bottom port is TANK input and connected to the line coming off top of the check valve. Top input is Purge and is connected to my air filter. Purge signal line coming from bottom of air filter. Hopefully this will generate enough vacuum to operate the evap canister properly.Impressive lineup of Easter Jeep Safari concepts from Jeep® heading to Moab, Utah, April 1-9Seven one-of-a-kind Jeep concept vehicles take four-wh... AUBURN HILLS, Mich., March 30,...4752 posts · Joined 2012. #3 · Aug 13, 2012. Check quadratec.com, you can get a fuel line replacement kit. If it were mine, i would run new line from the front to the rear for both the supply and the return lines. As well as the brake line, cause once you start messing with them, they will just start leaking somewhere else.It is a proprietary piece of fuel line you cant buy off the shelf i used to buy them from the dealer for about $90. I think they are available aftermarket now but i cant seem to find it now. 94, 4.0/NV4500/NP231HD w/JB Conversions super short SYE, 4.5" Rubicon Express lift, JKS 1.25" body lift, Dana 489's w/OX lockers 4.88 gears, Tom Woods ...yj fuel line replacement. 08-07-2006, 10:48 PM. The rubber fuel line from the tank to the hard line on the frame is leaking on my YJ. It is a 93 and i was wondering if anybody knows the size of the 2 lines (feed-return) and if i need any special tools or if they are just clamps to replace them. Would just like to have everything in hand to make ...Shop 1997-2006 Jeep Wrangler TJ Fuel System. Hand-picked by experts! Pay later or over time with Affirm. ... OPR Stainless Steel Fuel Vapor Line (1998 Jeep Wrangler TJ) …

All my fuel lines are custom. I took the metal lines off the intake manifold to replace the soft portion between them and the frame since it was dry rotted, and forgot to mark them. So Now I dont know which one on the fuel rail is the feed line... the one with the regulator in front of it.. or the other.

Find jeep tj 03-04 wrangler Opr jeep wrangler stainless steel fuel return line j110287 (1994 jeep Fuel line wrangler jeep sahara Replace jeepforum yj. Repair Workshop ... 1994 wrangler yj return opr. Fuel jeep line wrangler cyl tj 2040 partsFuel jeep cherokee grand lines 1997 line diagram front tube mopar engine fullsize retainer supply ...Hey guys, I'm still working through this old YJ I just bought. I have a question about this part of the metal fuel lines. I noticed it while underneath...OMIX Fuel Filter for 87-96 Jeep Cherokee XJ & 92-95 Wrangler YJ $8.99 Crown Automotive Fuel Sending Unit and Fuel Pump for 87-90 Jeep Wrangler YJ with 2.5L 4 Cylinder Engine & 15 Gallon Fuel Tank 24. 6100047. NUT, Clip Mounting. MSRP: $8.25. $5.62. Add To Cart. Genuine Mopar Parts, the Right Choice. MoparPartsGiant .com offers the wholesale prices for genuine 1991 Jeep Wrangler parts. Parts like Fuel Line are shipped directly from authorized Mopar dealers and backed by the manufacturer's warranty. The line coming from the pump (over the top of the motor) goes into the single nipple on the back of the filter, the nipple directly across from that (same diameter) …Ditch the teed return line. That isn't doing you any good. Now connect it to the vent fitting that vents the rear (tallest) part of the tank so that the fuel is actually circulating back to the tank. Now connect the front tank vent to the main tank vent high up in the fender near where it joins the filler neck.Sirius satellite radio is available in many new cars, including Jaguar, Mazda, Ford, Jeep, Chrysler, Dodge, Mercedes-Benz, BMW, Volvo, Volkswagen and Audi vehicles. If your new car...Fuel-efficient vehicles are becoming more and more common. Check out these great articles about fuel-efficient vehicles from HowStuffWorks. Advertisement Fuel-efficient vehicles ar...

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Transmissions are a work of automotive genius. The transmission takes power from the engine and then multiplies this power through a series of gears to make the car go. When you ha...Sep 22, 2020 · 2 PCS 1/4" 6mm Non Return One Way Check Valve for Fuel Line Oil Petrol Diesel Aluminium Silver FSM Manuals Jeep Manuals Build Thread The Tonka 4.6 Stroker Install '89 Laredo 4.6 Stroker, Hyperspark Ignition 2-1/4" Magnaflow Exhaust. New Evap Charcoal Canister from AC Delco. Bottom port is TANK input and connected to the line coming off top of the check valve. Top input is Purge and is connected to my air filter. Purge signal line coming from bottom of air filter. Hopefully this will generate enough vacuum to operate the evap canister properly.Fuel options for the future. Read this article to learn the fuel options for the future, Advertisement In the very near future, it's quite possible that most vehicle owners will be...yj fuel line replacement. 08-07-2006, 10:48 PM. The rubber fuel line from the tank to the hard line on the frame is leaking on my YJ. It is a 93 and i was wondering if anybody knows the size of the 2 lines (feed-return) and if i need any special tools or if they are just clamps to replace them. Would just like to have everything in hand to make ...72 posts · Joined 2017. #5 · Nov 10, 2019. If you used a mechanical fuel pump. Then it would have to be one for a SBC. The old Jeep's with carbs used a mechanical pump that wouldn't fit on a SBC. Sense it's a 95, if the stock pump in the tank is still functional then you just need a pressure reducer specific for carbs.Reads as though you're running low on fuel which is either the float, the screws settings, supply blockage or pump failure. Number one thing to do for the time being is to eliminate the FPR and restore the dual …Heated them with a heat gun to bend them to shape and install the new Dorman quick disconnects. The pressure line has a 5/16" quick disconnect and the return is an odd 3/8" quick disconnect that steps down to a 5/16" line. The rubber lines were replaced with 5/16" fuel injection hose and fuel injection clamps.Fuel pressure loss return line. 95 yj Jump to Latest Follow 644 views 5 replies 3 participants last post by Bryan's Jeep Mar 15, 2022 ….

72 posts · Joined 2017. #5 · Nov 10, 2019. If you used a mechanical fuel pump. Then it would have to be one for a SBC. The old Jeep's with carbs used a mechanical pump that wouldn't fit on a SBC. Sense it's a 95, if the stock pump in the tank is still functional then you just need a pressure reducer specific for carbs.This time fuel pressure was low 30. Based on these two statements, it sounds as though your return line is restricted in some way external to the tank. It is kinked or pinched. Bad body mounts can cause the fuel lines to be pinched. Bad routing can cause them to pinch on the crossmember.Sirius satellite radio is available in many new cars, including Jaguar, Mazda, Ford, Jeep, Chrysler, Dodge, Mercedes-Benz, BMW, Volvo, Volkswagen and Audi vehicles. If your new car...May 20, 2013. #2. The fuel return line is in gold color, and is 1/4 inch. It starts on the drivers side at the gas tank, adjacent to the fuel line, sitting in a little recess in the frame. It goes around the shock tower, over the e-brake bracket, and around another the ebrake cable bracket, under the proportioning valve and stops in some place ...Any shot a TJ fuel rail is the same as a 95 YJ 2.5L? Thanks in advance! Save Share. ... On the 4.0 the YJ rail has a regulator on its front end and both a supply and return line While the TJ rail has no regulator and no return fuel line Sent from my iPhone using Tapatalk ... A forum community dedicated to Jeep Wrangler owners and …YJ Fuel Line - Rubber hose section. 89 YJ 4.2L. Leaking fuel line and not sure what size or how to get the clamps off to replace the line. There are 2 short hoses that are on the driver side engine, one goes from the metal fuel line to the filter and the other line goes to the mech fuel pump on the passenger side.Shop Jeep Wrangler Fuel System. Hand-picked by experts! Pay later or over time with Affirm. ... Fuel Lines and Hoses 169; Fuel Injectors 52; Fuel Pumps 52; Fuel Filters 18; ... Fuel Filter (87-90 4.2L Jeep Wrangler YJ w/ 20 Gallon Tank) $14.99 (8) Fuel Filter; Sending Unit Filter (70-86 Jeep CJ5 & CJ7) $20.99.24. 6100047. NUT, Clip Mounting. MSRP: $8.25. $5.62. Add To Cart. Genuine Mopar Parts, the Right Choice. MoparPartsGiant .com offers the wholesale prices for genuine 1991 Jeep Wrangler parts. Parts like Fuel Line are shipped directly from authorized Mopar dealers and backed by the manufacturer's warranty. Jeep yj fuel return line, Hi everybody, and welcome to my "stevenofpa" YouTube Channel!This video shows you what it's like to see this 1991 Jeep Wrangler YJ with the gas tank fuel tan..., Any shot a TJ fuel rail is the same as a 95 YJ 2.5L? Thanks in advance! Save Share. ... On the 4.0 the YJ rail has a regulator on its front end and both a supply and return line While the TJ rail has no regulator and no return fuel line Sent from my iPhone using Tapatalk ... A forum community dedicated to Jeep Wrangler owners and …, The hose that connect where the fuel pressure regulator is the return line. It acts like a plug that stops return if pressure is too low. '91 YJ Sahara 4.0L/AX-15/NP231, D30/D35 @3.07, 12 Apr 2020 ... This video is a walk-through of replacing the fuel assembly in a 2008 Wrangler JK. Also, there is a section on fixing the EVAP line on the ..., I've got an 88 Wrangler 2.5 EFI 5 spd. There are no visible disconnected hoses or ports at the engine that I can find. The FSM doesn't provide any documentation on fuel line routing, connections, etc, and I cannot find a fuel line schematic anywhere. I've got the metal return line capped for now, but it really should be properly connected., 95 jeep wrangler 2.5L. I've got extremely high fuel pressure at the rail, i've tried everything I can think of but I may have missed something somewhere. I have a really high fuel pressure at the fuel rail. my jeep started sputtering like it was running out of gas. put a full tank of gas in my jeep as well as some wynns (fuel injector cleaner ..., Amazon announced that it would be levying a 5% fuel and inflation fee on online merchants that use its shipping services. Amazon announced that it would be levying a 5% fuel and in..., #1 · Jun 19, 2015. The rubber lines that run between the tank sending unit and the metal underbody lines sprung a leak and need replacement. This is the fuel supply line, the return line, and the tank vent. I have everything disconnected and the tank is already removed. However, I can't seem to extract the 3 lines., The fuel line system in a Jeep YJ consists of various components, including fuel lines, fuel filters, and fuel pumps, which all work together to supply the engine with the necessary fuel. One of the key functions of the fuel line system in a Jeep YJ is to maintain proper fuel pressure. The fuel pump, located inside the fuel tank, pumps fuel ... , 24. 6100047. NUT, Clip Mounting. MSRP: $8.25. $5.62. Add To Cart. Genuine Mopar Parts, the Right Choice. MoparPartsGiant .com offers the wholesale prices for genuine 1991 Jeep Wrangler parts. Parts like Fuel Line are shipped directly from authorized Mopar dealers and backed by the manufacturer's warranty. , Feb 12, 2020 · Only one pressure line, other two are evap lines I think. fuel return will be added after I add the novak kit. O. ol rob. 68 posts · Joined 2019. #3 · Feb 13, 2020. I ran a 6AN pressure line from the LS regulator to the engine and completely removed all of the Jeep fuel system. I also made the short return like Novak suggests. , Sep 21, 2010 · If you suspect that the fuel return line is blocked, a simple test to do would be to remove the fuel return line and blow through it. If you can do this, then it is not blocked. Another test you can do is to put a fuel pressure gauge in the return line, run the engine through idle to about 1500 RPMs, and see what it reads. , Get yourself some fuel/ac line wrenches and it will make your life a lot easier. ... Jeep - Fuel Vapor Tube - Fits 1997 to 2002 TJ Wrangler - 4WD.com . 1999 TJ Sahara, 5spd, 200,000+ miles club, Body-off restored ... JK General Discussion TJ General Discussion TJ Technical Discussion JK Technical Discussion YJ Technical Discussion. …, 640 subscribers. Subscribed. 33. 5.5K views 2 years ago. Replacing original fuel lines at gas tank on a 1995 Jeep Wrangler YJ. Produced with CyberLink PowerDirector 20 …, Heated them with a heat gun to bend them to shape and install the new Dorman quick disconnects. The pressure line has a 5/16” quick disconnect and the return is an odd 3/8” quick disconnect that steps down to a 5/16” line. The rubber lines were replaced with 5/16” fuel injection hose and fuel injection clamps., 22 Mar 2019 ... YJ Jeep Wrangler 2.5 Upgraded Fuel Injector Install(Eliminate stumble and hesitation). Full Speed Impulse•6K views · 16:12. Go to channel ..., 20314 posts · Joined 2014. #2 · Mar 22, 2017. Why bother! The mechanical pump you currently have has worked well on a multitude of Jeeps and AMC and Mopar vehicles. The reason the manufacturer went to an electric pump was because of fuel injection. The mechanical pump is easy to change if it fails, which it seldom does., If it's only leaking while it's RUNNING AT the tank, it's most likely your return line and/or hose clamp. Loosen the back bolts and remove the front to tilt the tank forward so you can inspect. My bet is it's a hose clamp at the fuel pump. Cars. 1994 YJ, 2004 WJ, 1976 C3, 2015 Slingshot, 2001 ZX6r., Transmissions are a work of automotive genius. The transmission takes power from the engine and then multiplies this power through a series of gears to make the car go. When you ha..., 5 posts · Joined 2021. #1 · Jun 8, 2021. Hey yall! I was looking for some info on fuel line routing. I have a project Jeep. It's a 1990 Wrangler but the block numbers on the 258 say it's from the late 70s. Looks like its been swapped at some point with some nice headers, intake manifold, and carb. The problem though is the fuel lines., MoparPartsGiant.com offers genuine Fuel Line for 1991 Jeep Wrangler with great price and fast delivery. ... FUEL FUEL LINES - REAR WRANGLER, YJ. Sort by: Ref No. Ref No. Part No. & Part Description. Price. ... Fuel Return w/Quick Connect. 2.5L Eng. 1991. Fitting Vehicle Options: YJ. 2., My jeep is a 92 yj with a 87 tub/4.0 5 speed It appears the previous owner still has the lines on the frame from the 87,there is no inline fuel filter and all connections are barb fittings There is a pressure and return line plus the small line i …, If it's only leaking while it's RUNNING AT the tank, it's most likely your return line and/or hose clamp. Loosen the back bolts and remove the front to tilt the tank forward so you can inspect. My bet is it's a hose clamp at the fuel pump. Cars. 1994 YJ, 2004 WJ, 1976 C3, 2015 Slingshot, 2001 ZX6r., Classic Tube Fuel Return Line for 1994 Jeep Wrangler YJ with 20 Gallon Fuel Tank, 3 Jun 2023 ... ... return fuel to the right tank when the right pump in on. ... TOE THE LINE! - Fuel Supply & Return System ... We SPRAY PAINTED My Jeep Wrangler!, The return line helps bleed off the vapor and return it to the tank, and also allows more fuel to keep passing through the fuel lines to keep cooler fuel present. The fuel return does work in reducing vapor lock. I don't have a return line on mine, but if I did have problems with vapor lock, I would use one. mostly stock 74 cj5, 258, t14, d20 ..., Classic Tube Fuel Return Line for 1994 Jeep Wrangler YJ with 20 Gallon Fuel Tank. Ships from 3rd Party. $79.99. Classic Tube Fuel Vapor Line for 1989 Jeep Wrangler YJ with …, I have a 89 jeep wrangler 258 6 cylinder with a fuel delivery problem. I replaced the fuel pump, fuel filter, and lines. It seems that the bypass on the fuel filter creats a vacumm and stops gas from going to the carb. If i pore gas into the card it starts and runs till that gas is used. Any thoughts or ideas would get ths 89 back on the road., If it's only leaking while it's RUNNING AT the tank, it's most likely your return line and/or hose clamp. Loosen the back bolts and remove the front to tilt the tank forward so you can inspect. My bet is it's a hose clamp at the fuel pump. Cars. 1994 YJ, 2004 WJ, 1976 C3, 2015 Slingshot, 2001 ZX6r., The second vent line should run to the "out" side of the fuel filter. Your fuel filter should have two ports on one side of it; one goes to the carb and the other to the vent on the gas tank. This lets the psi above the recommended 4psi (I think) run back into the gas tank so that line is not really a vent but a return line from the fuel filter., Essentially look at your fuel filter. The drain line is on top, carb feed on bottom. Any "over pressure" condition bleeds out through the top and back to the tanks to be cycled again with little or no pressure. It extends the life of the pump and keeps the pressure regulated at the carb. "The Jeep is a manly device., Jeep YJ Fuel System for Wrangler (1987-1995) OPR Stainless Steel Fuel Supply Line (1994 Jeep Wrangler YJ) Item J110288. Save. Verify parts fit and get product …, Wrangler YJ (Model years 1987–1996) YJ Technical Discussion. Fuel line size. Jump to Latest Follow 12K views 1 ... I'm having a Jeep delivered to me tomorrow, '91 Wrangler 4.0 5spd. It is leaking fuel out the pressurized hose coming from …