Question about Saturn L300

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My 2005 saturn L300 stops after about 20 min of driving and if you wait 30 min to an hour it will start up and the same thing happens again. I've been told it is the fuel pump, what should that cost to replace?

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What is the basis for determining it is the fuel pump? If it is a fuel system pressure loss, that is probably a good diagnosis, provided that the fuel pump relay is confirmed to be on (voltage present on the fuel pump). I had a vehicle with throttle body fuel injection that did the same thing. I tracked it down to the fuel injector driver transistor inside the ECM - one of the leads inside would open when the transistor got warm.

Fuel pumps cost $60-$350. The lowest price I've found was on the Amazon website. Most of them are listed above $240. Note: GM used mostly Delphi parts (typically $240). At that price, it pays to be sure you have the right diagnosis. Ask questions...

Posted on Mar 14, 2011

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Without knowing if there are more things happening, noises, clicks, whirr sounds, or even how hard you drive it...

It typically sounds like a bad or clogged fuel filter... Although I've had some cars do this in the past, once they were heated up and had to wait an hour ow two to start again... that generally meant the fuel pump needed to be replaced.

This is called a Vapor Lock... and try as you might, they will not start

So, before you start going through quite a few external sensors, idle air control motors and egr valves and etc, etc at 85 dollars a pop...

Considering changing the FUEL filter and pour a bottle of gas drier in your fuel tank. You could have some condensation in your fuel and it may be as simple as that.

However if this dont help or the problem starts happening again, I would replace the fuel pump.

Good Luck and Happy Motoring

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