Mustang Fuel Pump issue ?. Help ??

[Leigh_bullitt]

Hey guys
I’ve had an intermittent problem with my 2020 Bullitt for a while now. Sometimes runs ok but feels a little underpowered and kinda stumbles a little. Other times it’s amazingly quick.
I’ve checked everything and I’m now starting to question the fuel pump…

what’s a decent fuel pump at idle?.

mine reads
FP - 20.45%
FP Monitor - 40.99%

when it’s running and idling strong it reads :

FP - 24.89%
FP Monitor - 41.35%

any help would be great.

thanks

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[Leigh_bullitt]

Thanks for any help

 

[2015 Silver GT]

Is your car part of the fuel pump recall?

 

[NGOT8R]

Are you on a 93 pump gas tune or E85? Either way, a pump replacement is cheap enough to do at just a couple hundred bucks. There are plenty of members here, who can even guide you through the work, if you decide to do it.

 

[Leigh_bullitt]

Thanks
Yeh 98 ( euro equivalent)

 

[jloshotz]

How many miles on the car? I only ask, because as stated above, fuel pump is fairly inexpensive, and honestly the easiest fuel pump i have ever changed lifetime. (I’ve done some nightmare pumps too) Just make sure you are well below 1/4 tank. With the lockring tool it’s literally a less than half hour job

 

[NGOT8R]

Ain’t nothin’ to it, but to do it!

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