What should the fuel pressure be on a Harley Davidson?
What should the fuel pressure be on a Harley Davidson?
The PSI test is done at the tank bung before the regulator and fuel log. Off the top of my head pressure should be about 45 – 50 PSI. Those external regulators don’t have a failure rate. I’ve never had to replace one.
What should fuel pressure be on a 2007 F150?
The initial instantaneous romp on the throttle, both Upstream and Downstream O2s will read full lean for a second till the truck starts accelerating. The fuel pressure staying at 37-39 PSI, and spiking after a WOT run, is normal in my experience.
Can a fuel pump fail on a Harley?
The fuel pump regulator may be bad. The pump itself could fail. To perform a correct fuel pressure test you will need to purchase, rent, or borrow a quality Harley fuel pressure tester gauge with the correct adapters to fit your Harley Davidson output fittings.
What should fuel pressure be after squirting fuel?
Also if the engine runs after squirting fuel into the throttle body the ECM is communicating with the engine management system (EMS). You can test the CKP. Unplug it and check resistance across the two pins, should read 1000 ohms plus or minus 2%.
Why is my fuel pressure low on my Harley?
Poor fuel economy, hesitation, cutting out, and no start are all symptoms of improper fuel pressure. In this video, Mike walks us through the use of a Harley Davidson fuel pressure tester gauge to identify the fuel pressure on your Harley motorcycle. There are a handful of reasons that an injected fuel system may have a low or fluctuating output.
What should fuel pressure be in a Ford F150?
I was raised with 350 and 454 Chevys. First Id replace to fuel filter, if that doesnt work check the regulator, and if thats good check the fuel pump. [quote=Paints-n-cows;147375]According to my Haynes book, the pressure should be 30-45 at idle with “vacuum hose attached” and 40-50 with “vacuum hose detached”…
The fuel pump regulator may be bad. The pump itself could fail. To perform a correct fuel pressure test you will need to purchase, rent, or borrow a quality Harley fuel pressure tester gauge with the correct adapters to fit your Harley Davidson output fittings.
How to do a fuel pressure test on a Harley Davidson?
There may be a pinhole in an aging fuel line. The fuel filter may be clogged. The fuel pump regulator may be bad. The pump itself could fail. To perform a correct fuel pressure test you will need to purchase, rent, or borrow a quality Harley fuel pressure tester gauge with the correct adapters to fit your Harley Davidson output fittings.
