I have a 2003 aztek 3.4L that died like it ran out of gas. Has plenty of gas, has spark, fuses are good. No pressure on fuel check valve and fuel pump sounds good except louder than usual. WT@#$?

Asked by Sep 11, 2015 at 08:59 AM about the 2003 Pontiac Aztek STD

Question type: Maintenance & Repair

Went from about 20 mpg to10.

2 Answers


if it seems like it ran out of gas and your pump is making a strange noise then lets look at the fuel pump? What is the pressure at the rails? if you have low pressure or no pressure then the pump is no good and need to be changed...


your pump might be bad also your fuel filter might need replaced when you let your fuel go that low it makes your pump heat up and picks up all the dirt from the bottom of the tank it is best not to let your gas go under 1/4 tank.

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