This pressure must be relieved before servicing of the fuel system. Remove red shipping plug on fuel pump outlet connector of the fuel line if present. Refer to the appropriate model year Volume F, Pre-Delivery Shop Manual, Section 50-04, Hoisting and Jacking. The easiest way to test is to spray starting fluid into the throttle body while it's dying out; if it picks back up, the problem is fuel system related. Check the temperature of the heater hoses going into the firewall when the engine is cool and see if they warm up together as the engine warms up. Cut off excess tie strap length.
As you can see in photo above, this Schrader valve looks just like a tire valve stem the one used to air up the tire. . If so, crank engine an additional five seconds after engine stalls. Having a fuel line removal tool to replace it is required; make sure to get the correct size for your fuel lines. Retain one bolt for subsequent use. If you continue browsing the site, you agree to the use of cookies on this website.
I put another post up a few days after this one, 79Granada. One method is a very accurate way of diagnosing a lack of fuel condition causing a no start. I'm going to make her 4x4 before I start any other major projects. Temporarily bypass the hp pump, run the line to your fuel pressure regulator, with the regulator return running to a gas can. Cut off excess tie strap length. Don't know the flow rates of the low pressure tank pumps, but they surely would be enough. Remove the engine front cover; refer to the procedure in this section.
This has been engineered to fit your vehicle without modifications! If it appears that coolant is flowing and you don't have obvious leaks, the next step is to check the blend door. Torque to 8-12 Nm 6-9 lbs. He would just need a selector valve for an earlier carburated truck. Using a 16 mm wrench for the fitting and a 14 mm wrench on the boss of the fuel pump for backup, unscrew outlet nipple from the front of the high pressure fuel pump. Every motor is comprised of several.
He cannot convert to a mechanical fuel pump without machining the block, so he's still stuck with an electric fuel pump or pumps which means he still needs a regulator. So at a minimum, I'd highly suggest installing a simple oil pressure switch which taps off the engine's lube system. Check the following components for part number orientation. If fuel flows out of the reservoir nipple, the reservoir is working normally. Check out some of the possible reasons why you are stranded. You would have to tee it into the return from your regulator.
Install the A crankshaft sensor ring on the B crankshaft. Now the question 19 gallon tank or a new 30 gallon since the 90 pump will not fit mine. Install retainer clip previously removed in Step 8. Where to Buy a Fuel Pressure Gauge The fuel pressure test gauge kits below will have the adapter for the Ford Schrader valve and if you comparison shop. Does your truck feel like yourself on a Monday morning after a weekend of partying? Install the end of the fuel line with the small bell-shaped connector to the new fuel pump outlet nipple.
To help rule out plugs, check them for spark and make sure they're in good shape. For this test go to:. Remove the reservoir shield on 4 x 4 vehicles by removing either three or four screws depending on vehicle. From testing these pumps over the years, I think they are capable of 15 psi or so. Use caution to avoid damaging fuel return line.
All Replacement brand items are backed by 1-year, unlimited-mileage warranty. Cap should be retightened after pressure is relieved. This was incorporated in February, 1986. The main purpose of the manual selector valve is to insure the return flow gets back to the correct tank. This usually means that the fuel pump is bad. It may need an open return line in order for it to transfer. Mine has a pretty good body on it.
Otherwise, diagnosing the fuel pump may be misleading. If you continue browsing the site, you agree to the use of cookies on this website. For diagnostic information on how to check the operation of the blend door and a cheap easy fix, check the heatertreater listing on Ebay or the web site at heatertreater. For safer or pleasant drive, regular automobile check-up is recommended. It can be hard to diagnose between the two because this problem can be intermittent and occur at inconvenient times.
The reactive magnets and pintles could just be weak. To test it, unplug the frame fuel pump, disconnect the engine-side supply large line, and cycle the key. Why is the vehicle dying? But if I want to, having the newer fueling system will be nicer to deal with when I do change to a carb. The return lines might as as a secondary regulator. If the low pressure pumps are appropriately sized 6-10 psi or so, and generate enough volume I am thinking of removing the high pressure pump, and blocking the return side of the selector valve. It's a cheap and easy replacement, so it doesn't hurt the wallet or take too much time. To help narrow it down, perform the tests in the fuel pump section above to help determine if the pump is causing the issue.