The Old Switcheroo
94-97 OBS Ford Powerstroke owners have the added potential complication of a fuel tank selector valve in the suction side of their fuel system.
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Universal Pump Harness Diagnostics
This article will cover the complete operation of our Universal Fuel Pump Harness so that even those with limited automotive electrical understanding can locate and fix a problem if needed.
OBS HARNESS DIAGNOSTICS
This article will cover the complete operation of our OBS Fuel Pump Harness so that even those with limited automotive electrical understanding can locate and fix a problem if needed.
Contents Under Pressure
Remember that pressure is a function of flow and restriction, and that if you have enough flow from your pump and a properly working regulator to create the restriction, you will be able to set the pressure where you need it.
Leak Repair…
By now, if you have a “Low Fuel Pressure” problem, you should have identified it. As we move into the pressure side of the fuel system, know that if you are still looking for the source of a “low pressure” problem, the only possibility remaining is a massive fuel leak. If you don’t have an…
THIS SUCKS! – WHAT A STRAW HAS TO DO WITH YOUR FUEL SYSTEM
Before I get into further diagnosis, anyone following this procedure with AFTERMARKET INJECTORS needs to be doing so with a pump that is sized correctly. Depending on the injectors, a stock pump may not be enough…
Pinch An Inch
If you are diagnosing fuel pressure issues that appear at idle, using the liquid-filled gauge in the regulator may be enough…
The “Ever Since” Coincidence
It’s funny how phone calls from customers can remind me of other topics I have thought about writing an article on, but never got around to. Don’t worry, this one is pretty short.