Ford has had this test available in house since the 90s in days of the SBDS (Service Bay Diagnostic System),running off something like Windows 98 , but testing in those days required a fuel pressure transducer.
Fast forward through WDS , and presently with IDS (Integrated Diagnostic System), return less fuel systems with Fuel Rail Pressure sensors , a fuel pressure transducer is no longer required, and I'm sure this special function could be added along with relative compression ,and power balance to most bi directional aftermarket scan tools. Even on The Ole hole filler DS 708 that does have power balance feature available but I did not see any more options on it for relative compression , and relative fuel injector flow, so I don't think Snappy offers it yet either since Ford isn't suing Snappy besides Autel yet?
You would think that scan tools would have evolved to have incorporated these very useful tests into them by now. Who would think after nearly 25 years of dropping quarters in the Juke box for Singing and Dancing to " Whole Lotta Shaking Going On", sooner or later a China man is going to say That's Wong Enough and gonna burn a copy mixed with Gong Nam Style and sell a Million Bootleg Copies in a couple months.
Fast forward through WDS , and presently with IDS (Integrated Diagnostic System), return less fuel systems with Fuel Rail Pressure sensors , a fuel pressure transducer is no longer required, and I'm sure this special function could be added along with relative compression ,and power balance to most bi directional aftermarket scan tools. Even on The Ole hole filler DS 708 that does have power balance feature available but I did not see any more options on it for relative compression , and relative fuel injector flow, so I don't think Snappy offers it yet either since Ford isn't suing Snappy besides Autel yet?
You would think that scan tools would have evolved to have incorporated these very useful tests into them by now. Who would think after nearly 25 years of dropping quarters in the Juke box for Singing and Dancing to " Whole Lotta Shaking Going On", sooner or later a China man is going to say That's Wong Enough and gonna burn a copy mixed with Gong Nam Style and sell a Million Bootleg Copies in a couple months.
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