Question about 2000 Chevrolet Blazer

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I need the fuel pump spec. for a 2000 chevy blazer 4.3 motor V6 4x4

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  • Chevrolet Master
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Pressure should be around 45 psi ,won't run less than 30 or so.

Posted on Sep 05, 2010

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Posted on Jan 02, 2017

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I'M HAVING FUEL SYSTEM PROBLEMS ON A 2000 CHEVY BLAZER. I HAVE POWER RUNNING TO THE RELAY BOX, AND TO ALL RELAYS AND FUSES EXCEPT THE FUEL PUMP RELAY


Could be that the fuel pump relay is bad, have you switch out the fuel pump relay with another relay of the same specs. If that doesn't work, then check if there is another fuse that related to the fuel pump, could be like those fuse under your kick box panel if it is blown. If not, you could have bad fuse box.

Jan 17, 2011 | 2000 Chevrolet Blazer

1 Answer

I have a 2000 chevy blazer LT 4x4 4 door 4.3L it turns over but won't start it's something electric i think ?


Have someone sit inside and turn key on, the fuel pump in the fuel tank should make a humming noise for a few seconds then shut off (primes the fuel system) until you start cranking.

Jan 03, 2011 | 2000 Chevrolet Blazer

1 Answer

Need to know where to locate the reset switch for the fuel pump on a 2000 chevy z sr2 blazer


This vech. does not have a reset switch for the fuel pump. Unlike Ford Motor Company that uses a inertia fuel cutout switch.

Aug 25, 2010 | Chevrolet Blazer Cars & Trucks

1 Answer

I have a 1995 Mazda MPV,V6,4x4,I think the fuel is not working


Don't drop the gas tank. Pull back the carpet in front of the rear seat and there will be a square cover closer to behind the passenger seat with 4 screws holding it down. Remove that cover and it will expose your fuel sending unit cover. This will be circular in shape with 6 or 8 small philips head screws holding it in place. Unfortunately they will probably be very rusty and hard to get out. You will first need to disconnect the electrical plug and the 2 fuel lines. After removal of the fuel lines and the screws carefully remove unit to expose fuel pump.

Apr 05, 2010 | 1995 Mazda MPV

2 Answers

2000 chevy blazer (4.3 engine) has a hard time starting in the


dirty fuel filter or faulty pump....just a guess...

Feb 15, 2010 | 2000 Chevrolet Blazer

3 Answers

I have a 2000 Chevy Blazer, that I think has ran low on gas.


If it ran out of gas you'll need to purge the air out of the fuel line. Chances are also good that you pulled some sediment off the tank bottom and clogged the filter. If that's the case you'll need to replace the filter.

Nov 03, 2009 | 2000 Chevrolet Blazer

2 Answers

Fuel pump pressure specs


The fuel pump specs are 14 psi. and 20 gallons an hour.

Sep 08, 2009 | 1991 Chevrolet S-10 Blazer

1 Answer

Completed tune up, drove for 2 blocks, engine shut down


Just having fuel is not enough on this engine, here are the spec's. Even 1 psi out of spec can cause a no start.

Fuel Pressure
Pressure 1 (PSI) Pressure 2 (PSI) Pressure 3 (PSI) Range Note Range Note Range Note 60.0 - 66.0 Y131 50.0 - 63.0 Y132 66.0 Y133 Y131: System pressure with ignition on (PSI).
Y132: System pressure while idling (PSI).
Y133: Fuel pump pressure (PSI) with return line briefly restricted.



Feb 24, 2009 | 2000 Chevrolet Blazer

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