Question about 2004 Oldsmobile Alero

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MY 2004 ALERO STALLED

I CHECKED FUEL RAIL FOR PRESSURE AND HAVE NO PSI. RELAY IS STILL GOOD AND I DO NOT HERE FUEL PUMP WORKING IN THE TANK DO YOU FEEL ITS THE FUEL PUMP AS
WELL

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Yes it more than likely is

Posted on Jul 23, 2009

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2000 GMC Jimmy, starts up every time, but only runs for 10 seconds then dies. Restarts every time but will not stay running. Replaced fuel pump, fuel filter, CAM position sensor, crank position sensor,...


you say fuel pressure is good, but what is it? what is the fuel pressure when it stalls out? Spec is 60-66 psi and it wont run if its 55 psi. the fuel pump relay should be good if the pump runs. Make sure the ground for the pump is good , G402 should be on left frame rail. you may have had it off to replace the pump? maybe? it may be time to stop guessing and have a repair shop diagnose it for you. You sure have replaced a lot of good parts.

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How do I check the fuel pressure on a 2000 model mazda millenia with a 2.3 engine in it


Hi.

You connect a fuel pressure gauge like this to the pressure rail. Pressure in this car must be between 35 and 45 psi. If pressure is too low look for kinked fuel lines and eventually replace the pump. If the pressure drops down more than 10 psi in five minutes or if the pressure is considerably higher than that replace the fuel pressure regulator. Below the parts that may need testing:

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1. Fuel tank
2. Shut-off valve
3. Non-return valve
4. Fuel pump
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1 Answer

Sputering so i check fuel rail some gas doesnt want to idle occasionally will start and run then looses pressure and stall


Fill the tank to over 1/2 tank and add Chevron Techron fuel system cleaner

Do a fuel pressure test at the fuel rail.

The PSI should be 55-70 psi (or check the sticker under the hood)


Test fuel pump relay.

Check oil level and oil pressure. Low oil pressure,low oil pressure reading can stop the fuel pump from ran. It's a build in safety feature.

If it start and ran better the add only bottle of RED Iso-heat dry rule out water in fuel.


My bet is a weak fuel pump.

Fuel pump with over 110,000 miles will like to fail in a HOT day.


You are on the right track,

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Engine stall no fuel want to check relay and wiring for fuel pump ford pick up 2003 v8


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If pressure drops, lower fuel tank to check for B+ on the Pink/Black (PK/BK) and good ground on the Black (BK) while fuel pump relay is energized. If OK, replace faulty fuel pump.
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lower the tank to get to your filter

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