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Question

fuel pump fails to pump, new relay,pumpand wire harness .pump gives a quick spurt of fuel then nothing.

Submitted: 77 days and 2 hours ago.

Category: Chevy

Value: $15

Status: AWAITING CUSTOMER ACTION

Year : 1997
Make : Chevrolet
Model : 1500 silverado
Engine : 350 auto 2x4

Already Tried:
installed new relay and fuel pump with inside tank wire harness . voltage at weather proof connector is 8 volts. turn on key and pump gives a quick spurt of fuel then nothing.

Posted by tims auto repair 77 days and 2 hours ago.

Info Request

Hi XXXXXXXXX. Thank you for asking your question on JustAnswer. The other Experts and I are working on your answer. By the way, it would help us to know:

-What year is your Chevy?
-What model is your Chevy?
-How many miles are on your Chevy?
-What type of engine is in your Chevy?
-What have you already tried?

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77 days and 2 hours ago.

Reply

1997.silverado,160k,350,see above

Posted by tims auto repair 77 days and 2 hours ago.

Info Request

does the pump not run while you are turning the starter?

77 days and 2 hours ago.

Reply

it does not

Posted by tims auto repair 77 days and 2 hours ago.

Info Request

is this why you changed the pump?tell me all you can

77 days and 2 hours ago.

Reply

no.truck sat for the winter and I started it left it to warmup for five minutes when I came back it stopped running when i put it in gear.I ckecked sharder valve for fuel and their was none.truck has 3/8 fuel in tank

Posted by tims auto repair 77 days and 2 hours ago.

Info Request

ok
i will need to opt out on this and let one of our other guys help you....did you test for voltage at the pump?

77 days and 2 hours ago.

Reply

yes, 8 volts

77 days and 1 hours ago.

Reply

<p> </p><p>could it be the fuel pump support bracket</p>

Posted by Daves71 76 days and 11 hours ago.

Info Request

Hi,the 8 volt reading when are you checking it(should be when you first turn the key on )? You should have batt voltage going to the pump(at least 12 volts).Is the oil pressure gage rising while you are cranking?Let me know and we can go from there,thanks,Dave

76 days and 1 hours ago.

Reply

voltage dropped to 6.8 volts when cranking and oil pressure does not move when cranking

74 days and 11 hours ago.

Reply

still waiting for a reply to

Answer

Turn key on and check battery voltage, make sure it is at least twelve volts. If not install a battery charger and set on low. Go to fuel pump connector disconnect and install meter on fuel pump wire(grey wire) turn key on and check for battery voltage(should be almost the same as battery) for three seconds. If that is OK try to start vehicle battery voltage should be present. If not check wiring to fuel pump relay. If that is good make sure you are getting battery voltage to re

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lay when turning key on and starting.

Accepts:
Expert:	BigBlock434
Pos. Feedback:	97.1 %
Answered:	9/8/2009

Chevy Mechanic

ASE Master certified and 100% General Motors trained in all fields

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Question

fuel pump fails to pump, new relay,pumpand wire harness .pump gives a quick spurt of fuel then nothing.

Optional Information

Year : 1997Make : ChevroletModel : 1500 silveradoEngine : 350 auto 2x4 Already Tried: installed new relay and fuel pump with inside tank wire harness . voltage at weather proof connector is 8 volts. turn on key and pump gives a quick spurt of fuel then nothing.

Info Request

Reply

1997.silverado,160k,350,see above

Info Request

does the pump not run while you are turning the starter?

Reply

it does not

Info Request

is this why you changed the pump?tell me all you can

Reply

no.truck sat for the winter and I started it left it to warmup for five minutes when I came back it stopped running when i put it in gear.I ckecked sharder valve for fuel and their was none.truck has 3/8 fuel in tank

Info Request

oki will need to opt out on this and let one of our other guys help you....did you test for voltage at the pump?

Reply

yes, 8 volts

Reply

<p> </p><p>could it be the fuel pump support bracket</p>

Info Request

Hi,the 8 volt reading when are you checking it(should be when you first turn the key on )? You should have batt voltage going to the pump(at least 12 volts).Is the oil pressure gage rising while you are cranking?Let me know and we can go from there,thanks,Dave

Reply

voltage dropped to 6.8 volts when cranking and oil pressure does not move when cranking

Reply

still waiting for a reply to

Answer

Related Chevy Questions

Year : 1997
Make : Chevrolet
Model : 1500 silverado
Engine : 350 auto 2x4

Already Tried:
installed new relay and fuel pump with inside tank wire harness . voltage at weather proof connector is 8 volts. turn on key and pump gives a quick spurt of fuel then nothing.

ok
i will need to opt out on this and let one of our other guys help you....did you test for voltage at the pump?