fuel pump won't prime

Asked by Apr 24, 2016 at 10:18 PM about the 1990 Ford Mustang GT Convertible

Question type: Maintenance & Repair

in the mornings or after a period of time
when I turn the key to the on position fuel
pump will not prime unless key is left in on
position for 5-25 minutes. when car has sat
in a parking lot of in the sun the fuel pump
will usually prime either right away or after
just a minute. & sometimes before it will
prime if I turn key off then back on I will
hear a knocking noise from the fuel pump
but until it will eventually prime itself.

1 Answer

20,175

first change the fuel filter ...or is it OK??????

Your Answer

Add photo

Related Questions

Search Ford Mustang Questions

Ford Mustang Experts

#1 Tom Demyan
Tom Demyan
Reputation 4,060
#2 FordNut
FordNut
Reputation 1,230
#3 Bob Beaman
Bob Beaman
Reputation 1,100
View All

Related Models For Sale

Used Chevrolet Camaro
283 Great Deals out of 38,314 listings starting at $1,250
Used Chevrolet Corvette
180 Great Deals out of 20,801 listings starting at $3,995
Used Ford F-150
2,691 Great Deals out of 211,555 listings starting at $1,000
Used BMW 3 Series
1,371 Great Deals out of 37,814 listings starting at $1,700
Used Jeep Wrangler
392 Great Deals out of 19,082 listings starting at $3,000
Used Honda Accord
814 Great Deals out of 81,559 listings starting at $899
Used Honda Civic
663 Great Deals out of 77,395 listings starting at $1,000

Used Cars For Sale

2014 Ford Mustang GT Convertible For Sale
62 listings starting at $21,062
2013 Ford Mustang GT Convertible For Sale
50 listings starting at $17,991