I don't know where to hook up the fuel, vacuum, and radiator hoses after major engine disassembly. Do you have diagrams for fuel lines and hoses, egr, fuel injection, intake manifold lines?

Hi William,here's a link to your vacuum diagram. Repair Guides Vacuum Diagrams Vacuum Diagrams AutoZone com

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Toyota Pickup fuel line diagram Questions & Answers - Fixya

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fuel line diagram i need to know how to hook up fuel lines to fuel pump on a 1988toyota pickup try an autozone or a dealership they can print out the diagrams .

Need the diagram for vacuum hose that runs from fuel rail pressure sensor the back of the engine the Rotherham hose that is connected to it like a y connection comes and connect to a connection on the passenger side mine has broken off I'm losing power bad acceleration and getting the P0171 code along with real pressure codes on my 2004 Ford F150 5.4 Triton engine lariat model rear wheel drive super crew cab vehicle would like to get diagram to find out where I can order that vacuum holes

There is a factory vacuum diagram under the hood, we do not have diagrams.

Sorry I don't have the diagram, but I do have a diagram of the engine and component locations. Your vacuum system is fairly simple. You have a MAP sensor attached to the air cleaner. I have pasted a picture below. It has one electrical connector and one vacuum hose that goes to the intake manifold or the throttle body.
Behind the right headlight is your evap canister. This will have a hose or line running to the fuel tank. Then it will have another hose going to the purge valve. The purge valve should be close by and it has a connector plus another hose that goes to the intake manifold.
Then you have the PCV hose that goes from the PCV valve in the valve cover to the air cleaner or intake manifold. I think yours just has a hose from the air cleaner and the rest is internal.
There is one more vacuum hose, and that is the bog one that goes from the intake manifold (or throttle body--looks to me like there are a couple of vacuum ports on the back side of the throttle body, and there may be a "T" on one of the hoses) to the brake booster. It this one was off, the engine would not run, as the vacuum draw is large. Please let me know if you cannot figure it out from these instructions and provide a picture, if you can.

MAP sensor:


purge valve:

The ball is a vacuum tank. It would take the active vacuum line on one side and the other would go to the vacuum line that leads to your ventilation controls. Connect a length of vacuum hose to either side and BLOW through it. If you can't blow through it, that's the side that goes to the engine since it would have a check valve to prevent the vacuum from escaping when the engine is off. If you can blow through both sides, then it doesn't matter which hose goes to which side.

PO171 is a lean fuel mixture fault code. It is not serious in most cases engine will run for years to come. The problem is caused by too much air or not enough fuel getting to the combustion chambers of the engine. There are so many causes that its hard to nail this one down. Basically your engine is sucking air in somewhere it is not supposed. Any vacuum leak will cause that.There are a lot of vacuum lines. These is usually a vacuum line diagram under the hood that will show you were they are. Also your EGR valve may not be working correctly. In smone cases the engine is pulling vacuum through valve stem seals and intake manifold gaskets. Vacuum lines and EGR are not very hard to check out as they are external engine parts. Gaskets and valve stem seals will require disassembling major parts of the engine.

Vacuum hose routing-1989 2.5L California Turbo I engine




Vacuum hose routing-1990-91 2.2L and 2.5L Federal engines with manual transaxles, and 2.2L and 2.5L Canadian and California engines




Vacuum hose routing-1990-91 2.5L Turbo I California engines




Vacuum hose routing-1990-91 2.5L Turbo I Federal and Canadian engines

Hope helped with this information (remember rated this help) Good luck.

all your major auto parts stores have web sites you can go to to get the information you need. with diagrams.