Question about 1999 Chevrolet Blazer

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SOMETHING BLEW OUT ON MY INTAKE MANIFOLD.

ON THE INTAKE MANIFOLD OF MY 2000 CHEVY BLAZER WITH A 4.3 L V-6 RIGHT IN FRONT OF WHERE THE AIR FILTER CONNECTS IN THE CENTER i HAD SOMETHING BLOW OUT . I'M THINKING IT'S THE PCV VALVE, BUT I'M NOT SURE. IT HAS A RUBBER HOSE CONNECTED TO IT. LOOKING AT THE MOTOR FROM THE FRONT IT IS TO THE RIGHT FRONT SIDE. CAN YOU SHOW ME A DIAGRAM OR DO YOU KNOW WHAT IT IS?

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  • Chevrolet Master
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"blew out" is a bit dramatic...If it's a pcv hose it should have a ton of suction at the open end or where it had been attached.Also with that hose detached, your engine won't run at idle very well or at all. Most often, any hose that becomes disconnected stays pretty close to where it's supposed to be attached. Simply look for a clean attachment nipple near where you found the hose and put it back there.

Posted on Jun 20, 2009

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Posted on Jan 02, 2017

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2000 chevy v-6 4.3 torque sequence and settings for intake manifold


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Air filter replacement


Just follow the intake ductwork from the intake manifold. One end terminates at the intake manifold on the engine and the other end terminates at the filter or Filter box.

Apr 19, 2010 | 2001 Chevrolet Blazer

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Where is fuel pressure regulatore located


For 2000 Chevrolet Truck Blazer 4WD 4.3L SFI 6cyl
If your engine is a 4.3L V-6 with CPI (central point injection) it is inside the upper intake manifold. The upper intake manifold is bolted on top of the normal intake manifold.

The throttle body is mounted on it and your fuel lines terminate into the center of this.


Removal & Installation
  1. Relieve the fuel system pressure.
  2. Remove the air cleaner outlet resonator.
  3. Disconnect the engine wiring harness from the retaining clips at the front of the engine.
  4. Disconnect the fuel pressure regulator vacuum line.
  5. Clean any dirt from the fuel pressure regulator and the surrounding area.
  6. Disconnect the fuel return pipe.
  7. Remove the fuel return pipe retainer.
  8. Remove the fuel pressure regulator retainer.
  9. Remove the fuel pressure regulator.
  10. Inspect the regulator filter screen for contamination. If contaminated, replace the fuel pressure regulator.
To install:


aaf5240.jpg
Fig. Fuel pressure regulator-4.2L engine
  1. Install the regulator filter.
  2. Install the new O-ring on the fuel pressure regulator.
  3. Lubricate the fuel pressure regulator O-ring with clean engine oil.
  4. Push the fuel pressure regulator into the regulator housing on the fuel rail.
  5. Install the fuel pressure regulator retainer. Tighten the regulator retainer screw to 71 inch lbs. (8 Nm).
  6. Install the fuel return pipe retainer. Tighten the return pipe retainer screw to 71 inch lbs. (8 Nm).
  7. Connect the fuel return pipe.
  8. Connect the fuel pressure regulator vacuum line.
  9. Connect the negative battery cable.
  10. Inspect for leaks:
    1. Turn ON the ignition for 2 seconds.
    2. Turn OFF the ignition for 10 seconds.
    3. Turn ON the ignition.
    4. Inspect for fuel leaks.
  11. Install the engine wiring harness into the retaining clips at the front of the engine.
  12. Install the air intake resonator.
Hope help with this (remember rated this post).

Feb 26, 2010 | 2000 Chevrolet Blazer

1 Answer

What kind of engine?


it use a voltec system,it has one inyector inside intake manifold and 6 yets from it,to each cylinder.its a continus fuel injection system,its a litter complicate to explain it.fuel pressure regulator is inside manifold too.

Nov 24, 2009 | 2000 Chevrolet Blazer

1 Answer

I have a 1993 chevy blazer 4.3. We replaced the fuel filter and fuel pump. When I start it up it starts okay. Once I drive it and let it sit for about 30 minutes or so it takes a couple of times before it...


Is it a vortec engine if it is your fuel injector may be the problem. Chevy ran one injector on the vortech engine it is under the upper intake manifold, it has 6 plastic hoses running to each cylinder under the manifold. if one of these hoses are leaking its dumping raw fuel into the manifold during hot soak. that fuel is getting picked up by intake air when trying to start. and flooding it out hence hard to start. gasoline evaporates rather quick so what fuel was in the manifold when you park for the night has evaporated by the next morning so no raw fuel for intake air to pick up easy start. Seen this problem many times. pretty easy fix but a bit pricey around $200

Oct 17, 2009 | 1993 Chevrolet S-10 Blazer

1 Answer

Where is the IAC on a 2000 Chevy Blazer


On the intake manifold ( top of engine ) near air throttle body ( like where a carburator would be ) pressed against throttle linkage. Hope this helps.

May 04, 2009 | 2000 Chevrolet Blazer

1 Answer

I have a 2000 chevy blazer , before start up , I register 40 psi of fuel (requires atleast 65psi) so I have to dump fuel into the throtle body to start it..While it is running, IT registers 52 psi of...


if you have done all the above go ahead and replace the fuel pressure regulator and check the intake manifold gasket for leaks if you need any GM parts you can try Schram auto and truck parts 1-800-292-1032

Mar 20, 2009 | 2000 Chevrolet Blazer

1 Answer

Purge solenoid location


which vehicle are you actually looking for the purge solenoid on? you have 2 vehicles listed in your question. i'll answer both, lol

the locations are described as if you are looking at the engine from the front of the car with hood open.

on the blazer:

it is located on the left side of the intake manifold just under and behind the throttlebody. it is a canister looking device.

on the silverado:

it is located on the intake manifold on the left side in about the same spot as the blazer. providing the silverado has the 5.3 or 5.7 liter engine. if it also has the 4.3 then obviously it will be the same.

hope this helps!

Feb 16, 2009 | 1999 Chevrolet Silverado 1500

2 Answers

My truck will not start. i have a new starter, alternator, fuel filter fuel pump, mas, air filter. any other suggestions. its fine once its started. i spay choke spray in it to get started.


I have had similar problems and had to replace the fuel pressure regulator. It's a major expense because it sets below the diaphram in the intake manifold. Ask your mechanic about it, it may be the issue. I would get about 30,000 miles between replacement, I've replace it 3 times since purchasing the 2000 chevy blazer new, first one was under warranty.

Jul 25, 2008 | 2000 Chevrolet Blazer

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