Question about 1997 Chevrolet Astro

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Ware is locate the pressur regulator on a1997 astro

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  • james bierman Sep 11, 2010

    97 V6 with fuel injection?

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For the fuel? On the fuel rail on multi fuel injection set up! It is a steel bodyed diaphram with a vavummn hose connected in the center,leading to the intake manifold!

Posted on Sep 11, 2010

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Astro troubleshooting over fueling ?


The pressure regulator is a diaphragm-operated relief valve with system operating pressure on one side and and atmospheric pressure on the other side. The function of the regulator is to maintain a constant pressure to the injectors at all times, by controlling the flow in the return line by means of a calibrated bypass. The pressure regulator on this unit is serviced as part of the fuel meter cover and should not be disassembled. The regulator is in your IAC valve. (Idol Air Control Valve) It is most likely stuck. Replace and watch the magic happen. Hope this helps.

May 20, 2014 | 1991 Chevrolet Astro Extended

1 Answer

Is there anything else that controls the fuel other then ecm on 1993 Astro van


oxygen sensors
map sensor
mass air flow sensor
fuel pressure regulator
idle air control valve
throttle postion sensor
fuel injectors
egr valve
All these sensors send a signal to the ecm to regulate the air/fuel mixture.

Sep 07, 2011 | 1993 Chevrolet Astro

1 Answer

My 1994 chevy astro keeps idiling fast. I changed the AIC valve but made no difference. What lse might I check to fix this proble?


If you did't reset the computer then the computer will not reconize the new sensor.But if you have check your fuel pressure regulator there is a good chance if you see fuel in the map sensor or in the air intake tube its the pressure regulator.

Apr 09, 2011 | 1994 Chevrolet Astro

1 Answer

My oil psi be on my 2003 chevy astro awd van


The oil pressure should be 60 to 65 psi when engine started cold and at operating temperature should be 40 to 50 PSI at idle and 45 to 60 at higher RPM's with engine at operating temperature. Low pressure could be a faulty oil pressure sending unit or a bad oil pressure regulator valve. Good luck and hope this helps, and you could always have your oil pressure check manually to ensure a correct pressure reading. If you think it could be the oil pressure relief valve (Sometimes) or the check valve (not very often). One is located inside the oil pump and the other in the adapter on the motor that the filter screws on to. If you also have a problem with the oil pressure being erratic when the motor has been running I would be looking at the valves.

Mar 05, 2010 | 2003 Chevrolet Astro

1 Answer

Fuel pressure regulator


Assuming that you have the 4.3, it's under the intake.

Aug 24, 2009 | 1997 Chevrolet Astro

1 Answer

Fuel pump pressure


Try loosening the gas cap and see if that helps. Today's cars have no vents on the tank that don't have something to regulate the amount of ventilation. One of these systems may have failed. Loosening the cap stops a vapor lock.

If that doesn't do it, suspect a fuel pump regulator. Get a fuel pressure tester and see what delivery you have. Should be about 50 psi. Too low means weak pump or too much bypass. Bypass is regulated by the regulator.

Aug 24, 2009 | 1997 Chevrolet Astro

1 Answer

97 astro 4.3 fuel regulator location


all newer car have built in regulator in the alternator,have the charging system checked at aotozone parts store ,they dont charge for that ,hope to help you, robert b.

Jul 10, 2009 | 1998 Chevrolet Astro

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