PIC - Which line is fuel line, so I can test fuel pump?

6152 Views 5 Replies 5 Participants Last post by mnylady, 17 d ago

ingram87

Discussion Starter · Jan 28, 2013

I think my fuel pump is bad, so I want to disconnect the fuel line to test if the fuel pump is working. I think it's one of these 4 I have labeled. Can anyone tell me for sure which is the main fuel line that I would remove to test if the fuel pump is working?
Thanks! It's a 2009 1.8L Corolla Automatic

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joyridin'

· #2 · Jan 28, 2013

I know people love to give answers to these questions, but if you can't figure out which is the fuel line, you really should not be messing with it.

Just take it to a dealer and get it done right. You obviously do not have a fuel pressure gauge to test it correctly.

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ingram87

Discussion Starter · #3 · Jan 29, 2013

joyridin' said:
I know people love to give answers to these questions, but if you can't figure out which is the fuel line, you really should not be messing with it.

Just take it to a dealer and get it done right. You obviously do not have a fuel pressure gauge to test it correctly.

So you don't know which one is the main fuel line?

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hardtopte72

· #4 · Jan 29, 2013

None of those are the fuel line.

I agree when dealing with fuel and not having experience you should take it somewhere especially since the fuel line is on the exhaust side of the engine so spilling on the exhaust can cause a fire.

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deziking

· #5 · Jan 29, 2013

One way to test the fuel pump is remove the rear seat, remove the cover and disconnect the connector one goes to the pump it self and one trailing to the computer up front. You need to measure the resistance between connectors 1-2

OEM Spec should be between 0.2 to 3.0 ohms. If there is no results replace the fuel pump. You can also check the operation of the pump by applying battery voltage to both terminals 1-2 and check that pump operates. If the motor does not operate, replace the pump.

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mnylady

· #6 · 17 d ago

ingram87 said:
I think my fuel pump is bad, so I want to disconnect the fuel line to test if the fuel pump is working. I think it's one of these 4 I have labeled. Can anyone tell me for sure which is the main fuel line that I would remove to test if the fuel pump is working?
Thanks! It's a 2009 1.8L Corolla Automatic

ingram87 said:
So you don't know which one is the main fuel line?

Not everyone can afford to go to a dealer or they don't have a dealer close to them.

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