Fuel pump issue

JAN HORN VAN HEERDEN

MEMBER
2010 RENAULT LOGAN
1.6L
4 CYL
2WD
MANUAL
80,000 MILES

When the car is low on gasoline (but not empty) it would not start or cuts out when idling. As soon as the tank is more than 30% full, it runs well.

Is it the fuel pump? Also, could it have something to do with a low battery?

Jan

3 Replies

JACOBANDNICKOLAS

MECHANIC
108,310 POSTS

Welcome to 2CarPros.

First, I have to tell you this vehicle isn't offered in the US, so my technical information is very limited. However, I have a feeling I know what is wrong.

On many fuel pumps, there is a filter referred to as a sock, that is designed to help filter the fuel as the pump first picks it up. Based on your description, it sounds like it is partially plugged and it takes a certain level of fuel in the tank before it will reach the pump.

The pump sounds like is it working, but I suspect there is a blockage low on the filter / sock.

Let me know if you have other questions.

Joe

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Thursday, May 16th, 2019 AT 6:24 PM

JAN HORN VAN HEERDEN

MEMBER
2 POSTS

Thank you much for the answer. Is it easy/inexpensive to have the pump filter unplugged?

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Thursday, May 16th, 2019 AT 9:46 PM

JACOBANDNICKOLAS

MECHANIC
108,310 POSTS

Welcome back:

I'm not really familiar, but on most cars the fuel tank needs removed to access the pump. Some have a port under the rear seat or in the trunk that you can access the pump through.

The filter I referred to will need replaced or cleaned.

Let me know if I can help.

Joe

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Friday, May 17th, 2019 AT 8:06 PM

Fuel pump issue

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