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what are symtoms of failing fuel pump

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Old 06-22-2017, 12:56 AM
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LT1driver
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Default what are symtoms of failing fuel pump

title says it all, thanks
Old 06-22-2017, 02:01 AM
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User Omega
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Noisy
Doesn't power on right away (vehicle may require more than one crank cycle or power on/off)
Vehicle stalls due to low fuel pressure
Won't keep up fuel pressure with demand


I'm sure there are more
Old 06-23-2017, 12:19 PM
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Mike's LS3
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Originally Posted by User Omega
Noisy
Doesn't power on right away (vehicle may require more than one crank cycle or power on/off)
Vehicle stalls due to low fuel pressure
Won't keep up fuel pressure with demand


I'm sure there are more
Just to add, hesitation on demand (especially on an incline), lean A/F ratio at WOT and audible ping.

Last edited by Mike's LS3; 06-23-2017 at 12:20 PM.

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