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Re: Fuel Injection Port
Not being familiar with your car, I would have to have a service manual to help you and I would highly recommend buying either a Haynes or Chilton manual for your car; they cost from $17-$30 US and will pay you back many times over.
I did find one possible solution for you:
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alldata.com, log in and read that yet?
did you look at this near FSM?
the 21 steps, read them yet?. did you make it to step 21,?
Disconnect negative battery cable.
Remove engine cover and bracket.
Evacuate A/C system.
Remove accessory drive belt.
Remove cooling fan and fan shroud.
Remove charge air cooler outlet hose to intake manifold.
Remove fan support assembly.
Remove timing belt outer cover.
Using special tool VM.1055, remove high pressure injection pump sprocket retaining nut.
Install feet from VM.1067 in injection pump sprocket as shown.
Install inner flange of special tool VM.1067 on injection pump sprocket as shown. Secure flange to feet in injection pump sprocket with Allen bolts supplied with tool.
Screw the high pressure injection pump sprocket holding plate assembly into flange of VM.1067. Using left hand threaded bolt supplied, secure holding pl
Before servicing the vehicle, refer to the Precautions section.
High pressure lines deliver diesel fuel under extreme pressure from the injection pump to the fuel injectors. This may be as high as 23,200 psi.(1600 bar). Use extreme caution when inspecting for high pressure fuel leaks. Fuel under this amount of pressure can penetrate skin causing personal injury or death. Inspect for high pressure fuel leaks with a sheet of cardboard. Wear safety goggles and adequate protective clothing when servicing fuel system.
ate assembly to timing belt inner cover.
Disconnect A/C lines at compressor.
Remove charge air inlet hose.
Remove the EGR airflow control valve from the intake manifold.
Remove high pressure injection pump to fuel rail high pressure line.
Disconnect high pressure injection pump quantity control valve electrical connector.
Disconnect fuel supply and return lines at high pressure injection pump.
Remove alternator to intake manifold bracket.
21 Remove high pressure injection pump retaining nuts and remove pump.
Care must be taken not to bend the brake vacuum tube when removing high pressure pump.
if you learn a short cut to that, please do post it.
Lets start with terminology. I am assuming the truck is newer than 1987 so you would have fuel injection. No carb. If it is a vortec engine, either a 4.3 or larger, and built after 1993, it could have central port fuel injection. That style uses one injector and a spider of lines that go to each intake port. This is inside the upper intake manifold. Vortec engines require more fuel pressure than engines with port fuel injection or throttle body injection. So the first thing you need to do is check base fuel pressure before and after you crank the engine. You'll need a pressure gauge to do it. Normal fuel pressure at idle for a port injected engine is 35psi and 60psi for a central pfi system.
These have a central port injection system. The central port injection is very finicky on fuel pressure.
Spec off the top of my head is 58-60 psi. As little as 1 psi under minimum spec is enough for the vehicle not to start.
You first step is to accurately measure fuel pressure with a good fuel pressure gauge.
I'll see if I can't round up the actual spec for you in the mean time.
Let me know if you have any questions and I'll do my best to answer them. Thank you for using FixYa.com!
Yes, if it is mounted to the tank the same way and is from the same type fuel injection system. By same type I mean "port fuel injection" or "throttle body injection". Your system is "port fuel injection" so the used one has to be from a "port fuel injection" system. Also is the tank that the used one is coming out of the same size as yours? If it doesn't hold the same amount of gallons the gas gauge might be wrong. Make sure the the electrical connectors are the same on both assy"s. Hope this helps you out. Good luck.
If it over heats and then cuts off this is because of your thermometer/theromostat. Could be a number of things depending upon what else is happening. You should give more detail information of your problem. Could be your starter, fuel pump, caborator/fuel injection, or even your catalytic converter is going out and they don't always smell of rotten eggs when this happens. Catalytic's will cause your vehicle to run slower and putter and even shut down without warning and eventually will not run. Check all avenues. Another thing to look at is your spark plug wires, if they are worn and old your car will run and shut down as well.
if it is throttle body injection it is 9-13 psi if it is multi-port injection it should be around 40 psi on some modles there is an access panel in the trunk just behind the rear seat it is round and has 4 to 6 screws holding the cover on if you don't have an access cover you will need to remove the fuel tank
if you just take off the air filter box you can get down the with a wrench its tight but can be done other wise you have to remove about the 12 bolt and a mess of other things to get to the injectoers to remove