Question about 1992 Toyota Pickup

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We are putting a 1992 4runner back togeather after a head gasket failure. there is a fuel line that is comming of of the passengers side fuel rail I think it is a by pass but can not find where it goes

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The fuel line that is located at the front end of the fuel filter. You will need to reach this fuel line from above the fuel filter, and it may be a tight fit.
loosen the front(nearest to the engine) 14mm fuel line going into the fuel filter,.
The fuel line that runs from fuel rail to cold start injector.
There is a flexible high pressure fuel line between the fuel rail and the hard line that goes to the filter. Check pout.Thanks.

Posted on Jul 19, 2010


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03 3.7 have new o rings for bottom of injectors do you put it on the head first or on the injector just put head gaskets on jeep

old post but see it asked many times.
assemble the rail first, its 1 piece so must be ready first.
3.7L Engine (FSM) RTM?
(1) If fuel injectors are to be installed, refer to Fuel
Injector Removal/Installation.
(2) Clean out fuel injector machined bores in
intake manifold.
(3) Apply a small amount of engine oil to each fuel
injector o-ring. This will help in fuel rail installation.
(4) Position fuel rail/fuel injector assembly to
machined injector openings in cylinder head.
(5) Guide each injector into cylinder head. Be careful
not to tear injector o-rings.
(6) Push right side of fuel rail down until fuel
injectors have bottomed on cylinder head shoulder.
Push left fuel rail down until injectors have bottomed
on cylinder head shoulder.
(7) Install 4 fuel rail mounting bolts and tighten.
Refer to torque specifications.
(8) Install 6 ignition coils. Refer to Ignition Coil
(9) Connect electrical connectors to throttle body.
(10) Connect electrical connectors at all fuel injectors.
To install connector, refer to (Fig. 37). Push connector
onto injector (1) and then push and lock red
colored slider (2). Verify connector is locked to injector
by lightly tugging on connector.
(11) Connect necessary vacuum lines to throttle
(12) Connect fuel line latch clip and fuel line to
fuel rail. Refer to Quick-Connect Fittings.
(13) Install air box to throttle body.
(14) Install air duct to air box.
(15) Connect battery cable to battery.
(16) Start engine and check for leaks.

Oct 07, 2014 | Jeep Cars & Trucks

1 Answer

Intake manifold

If you're replacing with a stock intake it's a pretty straight forward job...drain coolant, disconnect battery, remove belt, remove alternator and bracket to intake manifold, take note of where each spark plug wire goes, twist plug wires 1/4 turn in each direction then pull up being careful not to tear long rubber boots on wires, leave spark plugs in so no dirt or coolant gets into cylinders.remove e.g.r tube from throttle body,disconnect all vacuum lines and all sensor connectors,you have to be careful removing injector connectors because they become brittle and will break very easily, remove bolts for throttle body and remove body,.relieve fuel pressure from fuel rail by putting on a fuel pressure tester and with a relief valve, there's various ways to release fuel pressure, this is safest, then disconnect fuel line from rail (if you don't want to do it that way you can leave fuel line on and remove 4 8 mm bolts for fuel rail and remove rail and fuel injectors all together, take injectors out from intake not fuel rail by pulling on them from bottom of injectors near intake)remove coolant hoses at back passengers side of intake, remove 2 10 mm bolts for thermostat housing, remove T stat...there may be a bracket on the drivers side rear of intake, (remove top 15 mm bolt, and remove ground cable at back side of head, think it's a 13 mm bolt, then remove 15 mm bolt holding the back of bracket, it's gonna be tight back there but doable with wrench) remove the rest of the 10 mm bolts holding the intake manifold on, remove intake...remove intake gaskets taking care not to let any dirt or debris to get into head ports, I usually put a clean rag in each hole, and clean around them then blow out anything that might have fallen into any can look rite down into them to make sure everything is clean.make sure all dirt is off head surface and install new gaskets, they lock into place on heads if installed correct. Put on new intake and hand tighten bolts..these bolts have to be torqued in order..starting from the middle of intake torque bolts to 15-22 lb-ft going in a crossover order (right side, left side, right side in an X pattern from center out)...install all connectors and components in reverse order , fill fluids and check over for any leaks or anything loose...I maverick have missed a few small steps but think im pretty close...this isn't a bad job, but take your time and mark anything you think you might not remember where it goes...good luck..any other questions please contact me..

Jun 28, 2014 | Ford Mustang Cars & Trucks

1 Answer

I have oil leaking into were my spark plugs are what can it be

This is caused by a leaking valve cover gasket, you will need to replace it.
    • 1Pop the hood on the engine compartment and make sure the engine is cool. Disconnect the negative battery cable to prevent possible shock. Remove the air outlet using a screwdriver. Loosen the PCV hose clamp at the valve cover with the screwdriver and pull the hose from it. Disconnect the quick connect fitting from the fuel line at the fuel rail.
    • 2Remove the fuel line clips from the fuel line bracket. Reposition the fuel feed line out of the way of the valve cover. Remove the bolt from the fuel line bracket using a wrench and take the bracket off. Mark the proper location of each of the wires on the ignition coils using the marker and masking tape and then pull them off.

    • 3
    • Remove the wiring harness clips from the valve cover. Remove the valve cover bolts using a socket and ratchet. Pull the valve cover away from the cylinder head. Remove the valve cover gasket from the cylinder head. Use the scraper to remove any gasket material that remains. Clean the cylinder head mounting surface using the rags.
    • 4Place a new gasket on the cylinder head. Place the valve cover on the gasket and line it up properly with the cylinder head. Secure the valve cover bolts using the socket and ratchet. Attach the wiring harness clips to the valve cover. Attach the wires to the ignition coils according to the labels you made.
    • 5Place the fuel line bracket in place and tighten the bolt with the wrench. Move the fuel line back into place and attach the fuel line clips to the bracket. Connect the quick connect fitting of the fuel line to the fuel rail. Connect the hose to the PCV valve at the valve cover and tighten the clamp with the screwdriver.
    • 6Connect the air outlet and tighten the clamp with the screwdriver. Connect the battery cable. Start the engine and check the valve cover for leaking around the new gasket.
  • It is important that you disconnect the battery as instructed. Otherwise, you are not only at risk of electrical shock, but you may also short out and damage other components.

Read more: How to Replace the Valve Cover Gasket on a 2.4L GM '

Jun 18, 2012 | Cars & Trucks

1 Answer

I bought a mgf vvc off a friend and she sed the head gasket had gone so i replaced gasket and had head skimed and put it all back togeather again but car try's to start but thats it it has spark b

The fuel pump incorporates a inertia switch,The switch is next to the ECM,you may have triggered,reset it by pressing the red top.If that doesnt do it the pressure regulator uses a spring diaghram modified by a vacuum signal,remove the vacuum signal (just to start)

Mar 31, 2012 | MG TF Cars & Trucks

1 Answer

How to install a fuel injector on a 2002 jeep liberty 3.7

so that mean the old one is all ready removed.?
or did you mean all steps in the fsm for INJECTOR.
the steps are the same on all EFI fuel rail injectors.
you could google that or you tube it or read the FSM.

hide call keys from step 2 on, or very bad things can happen.
(wife or kids no aware of danger)
ill just cover the (basics)
1: per FSM , depressurize the system, in can be at 60PSI
parked. so avoid fuel in eyes, or a fire. we do that first.
gain access to rail under failure. (RUF) (no barking)
2: remove injector X , wire plug. (failing)
3: then detach the injector rail clamps the both rails off as one....
injector are all now loose, to pull off.
4: add new seals to new injector, and install in reverse order.

that's it, only the gain access , varies,... mostly.

last depressure steps:
run engine,
remove fuel pump relay, engine stalls. key off, hide keys

next tje FSM words (just the OFF section)

  1. Remove fuel tank filler tube cap.
  2. Perform Fuel System Pressure Release Procedure.
  3. Remove negative battery cable at battery.
  4. Remove air duct at throttle body air box.
  5. Remove air box at throttle body.
  6. Disconnect fuel line latch clip and fuel line at fuel rail. A special tool will be necessary for fuel line disconnection.
  7. Remove necessary vacuum lines at throttle body.
  8. Disconnect electrical connectors at all 6 fuel injectors. Push red colored slider away from injector. While pushing slider, depress tab and remove connector from injector. The factory fuel injection wiring harness is numerically tagged (INJ 1, INJ 2, etc.) for injector position identification. If harness is not tagged, note wiring location before removal.
  9. Disconnect electrical connectors at throttle body sensors.
  10. Remove 6 ignition coils.
  11. Remove 4 fuel rail mounting bolts.
  12. Gently rock and pull left side of fuel rail until fuel injectors just start to clear machined holes in cylinder head. Gently rock and pull right side of rail until injectors just start to clear cylinder head holes. Repeat this procedure (left/right) until all injectors have cleared cylinder head holes.
  13. Remove fuel rail (with injectors attached) from engine.
end expert.
login and read all steps. that be best , then ask questions?

Jan 02, 2012 | 2002 Jeep Liberty

1 Answer

The rubber o-rings fell out of the fuel line, and I need to know what order they are supposed to be in so I can put them back correctly.

emove the six reverse torx bolts from the fuel rail using an E7 star socket. You may notice that the paper fuel rail gasket is starting to or maybe already has broken between the intake ports. This will cause a lean code condition. (P0171 and P0174)
2. Gently pry the fuel rail off of the lower intake and the six injectors. Note the orientation of the injectors beforehand.
3. Remove all six injectors and discard all 12 o-rings.
4. Thoroughly clean all gasket surfaces and o-ring surfaces.
5. Clean the o-ring areas on all the injectors.
6. Put new o-rings on the injectors. A light film of motor oil on the o-rings will help in seating the injectors.
7. Put the injectors into the lower intake.
8. Put new paper gasket between the fuel rail and lower intake and make sure all of the injectors are seated into the fuel rail.
9. Put the six reverse torx bolts back in and torque them down in this sequence:
<Firewall 1 3 5
............ 6 4 2
To 12-16 N*m (9-11 lb*ft)

reassembly is the reverse of the dissassembly. after you get this done, get you a cold one. heck get two. you deserve it.

(you can let the children and small animals back in the area now)

Dec 06, 2010 | 1993 Ford Explorer Limited

1 Answer

Hi, my 2001 Pontiac Grand am SE 4 cylinder 2.4 engine has been starting very "rough" as it runs however it eventually fixes itself. Also my coolant has been "disapearing" i keep having to refill the...

Probably needs cylinder head and gasket, for that rice. Cylinder head gasket is around $1700-1800.00.
Fuel pressure regulator is not too difficult, you have to disconnect fuel line where it goes into fuel rail. and remove regulator, then install new regulator and put fuel line back in. You will loose some fuel, so loosen fuel line slowly, and put a rag around it to keep if from spraying out too badly.
Hope this helps.

Mar 02, 2010 | 2001 Pontiac Grand Am SE

1 Answer

How to install a fuel line on rear fuel rail (back of engine)

I did this job on my 3.1 about 2 months ago and i forgot to put the ("O") ring on back fuel rail. had a fuel mess!! had to tear down plenum to fix, in my case i lost the o ring on rail and forgot to put 1 on. I had to order 1 from chevy garage, and replaced it. cost 9.00 just for 1 little o ring. mine fit tight also!! see if o ring is ok, and check line. car runs fine!!

Jul 07, 2009 | 1998 Chevrolet Malibu

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