WebSep 8, 2012 · Now your check should lean towards performing a a fuel pressure check. if it is below the specified 33psi at the fuel rail then there is a problem, Meaning too low fuel pressure and the fuel will not atomize or vaporize properly leading to drive-ability problems. the thing is I am seeing you mention running rich when the car ECM is telling you … WebJul 14, 2015 · 2013 Mustang GT 5.0. Joined May 22, 2014. 3,736 Posts. #6 · Jul 12, 2015. At a given pressure for which they're rated, that is correct. I'm more familiar with CCs, …
Part 2 -How to Test the Fuel Pump (Ford 4.0L) - troubleshootmyvehicle.com
WebMar 16, 2007 · 1) The 'official' manual states the rail pressure for a non-return system is 35psi with just the key on. 2) The fuel 'system' hold pressure should be 30-40 psi after 5 minutes. 3) The fuel pump pressure should not exceed 65 psi. 5) Injector resistance should be 13.5 to 19 ohms. [/FONT] The road to enlightenment can be a bumpy one. WebDec 1, 2005 · For practicality reasons, we will need to work the above formula backward, since the fuel pressure PID should stay about 40 psi at idle. Take the 40 psi on the PID, add to that the 5 psi of absolute pressure for a sum of 45 psi. Then subtract from that sum the 15 psi that your gauge is referenced to (at sea level). david fuller mortuary offences
What should the stock fuel pressure be, 94 5.0 5-speed? Mustang …
WebDec 30, 2012 · The overly aggressive Fuel Pump was replaced with yet another NEW Fuel Pump which was tested before hooking it to the 4100 and found to be putting out 6.9 PSI. It was installed, along with a Pressure Regulator which has a … WebNov 1, 2014 · The fuel pressure reading did not change though. They are in the acceptable range per manufacturer specs. 30 psi at idle still seems low. Any thought about this would be welcome. See more Reply Save Like S stevew01 · #11 · Nov 1, 2014 My car idles at 30 psi. It is in spec so it is where it should be. Glad you found your leak. WebAug 28, 2013 · Your fuel pressure gauge should register: 35 to 45 PSI with the Key On Engine Off (KOEO) if the fuel pump is OK. OK, now that the testing part is done, let's take a look at what your results mean: CASE 1: … david crosby most popular song