Question about 1996 Chevrolet Blazer

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96 s10 blazer idles high and stalls after tune up and replacing spider injector

Posted by shaylapoteat on

  • Ricky Peters
    Ricky Peters Jun 25, 2012

    Also you can take the idle air control valve off and clean it with a wire brush and a non-chlronated brake cleaner.

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Ricky Peters

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  • Chevrolet Master
  • 2,620 Answers

Check the air filter box for fuel lying in it then pull the vacuum hose off of the map sensor and see if any fuel runs out of it.If you see fuel in either of these or both of them then replace the fuel pressure regulator.

Posted on Jun 25, 2012

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5 Related Answers

Anonymous

  • 98 Answers

SOURCE: 95 S10 blazer won't start

check the EGR valve. it might be dirty in side with carbon. DONT GRINE OFF GASKET SCRAP IT OFF.

Posted on Apr 22, 2009

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Louie_3006

Jonathan Suttles

  • 79 Answers

SOURCE: my blazer has a new fuel filter, egr valve and

Hello, this is a fuel pump problem. Blazers are known for this. Go to Under100Bucks.com and you can get a fuel pump for under 100 besides the 500 or 600 dollars it would cost you from a dealership. To get it started in the cold spray starting fluid into the throttle body it's under the air horn. You will have to do this every time to get it started but it should work. I hope this helps you.

Posted on Nov 17, 2009

Zaraki

  • 834 Answers

SOURCE: diagram on how to remove

Here is the removal procedure, and the procedure is the same for both the V-6 and the V-8 Vortec engines. Also, be certain to put engine oil on the "o"-ring seal for the fuel injector assembly before installing the upper intake. Let me know if you require any further assistance.

REMOVAL:

1. Disconnect the battery negative cable assembly from the battery negative terminal.

2. Remove the air cleaner assembly.

3. Remove the wiring harness connectors and the brackets and move aside.

4. Remove the throttle cable and the bracket from the upper intake manifold.

5. Remove the cruise control cable, (if equipped).

6. Remove the fuel lines from the intake to the rear of the block.

7. Remove the ignition coil and the bracket.

8. Remove the upper intake manifold.

INSTALLATION:

1. Install the upper intake manifold gasket.

2. Install the upper intake manifold. Use care not to pinch the injector lines between the upper and lower intake manifolds.

3. Install the upper intake manifold bolts. Note the marks made at disassembly for proper stud location. Install the two corner studs first in order to help align the two halves. NOTE: Other than the two torque passes listed below, the OE Manufacturer did NOT address or supply a bolt tightening sequence for the upper Intake Manifold for this model year, or other model years where this 2 piece manifold setup is used. A "Play It Safe" final tightening sequence would be to tighten from the center most bolts to the outer most bolts.

4. Tighten the bolts in two steps: a. Tighten the bolts on the first sequence to 5 Nm (44 inch lbs.). b. Tighten the bolts on the final sequence to 10 Nm (88 inch lbs.).

5. Install the purge solenoid and bracket.

6. Install the ignition coil and bracket.

7. Install the PCV hose et the upper intake manifold.

8. Install the fuel lines from the intake at the rear of the block.

9. Install the cruise control cable (if equipped).

10. Install the throttle cable and bracket from the upper intake manifold.

11. Install the wiring harness connectors and brackets.

12. Install the air cleaner assembly.

13. Connect the battery negative cable assembly to the battery negative terminal. - Tighten the bolt to 15 Nm (11 ft. lbs.).


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Posted on Oct 23, 2010

psycodelek

John Ziehm

  • 206 Answers

SOURCE: my 96 chevy

coil? Even when these coils throw a spark sometimes it isnt strong enough.

Posted on May 20, 2011

dbriley731

  • 1 Answer

SOURCE: my 96 s10

I had a 2000 chevy Blazer that had the same problem. I ended up replacing the spider injectors from the local parts house and solved my problem. The computer was sending to open them but they didnt in which it wouldnt run. Hope that helps.

Posted on May 29, 2011

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2 Answers

My Blazer is bucking and eventually stalling. However, it starts up right away again and then stalls a short time later but will start again right away. I had the gas line replaced but there was no fuel...


How long since a tune-up? Any applicable trouble codes? If you have the spider fuel system, that system is known for problems. I'd probably use a gage and check proper fuel pressure. Could be other issues? Intermittent can be a pain to track down.

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Your blazer has central fuel injection (CFI). You said you changed injectors, but your injector in inside the intake manifold, and only has one injector and a "spider" of nylon tubes from the central injector to each intake port. It is common for these spiders to break, causing fuel to leak into the inside of the manifold, and cause problems like you described. The spiders are available as reconditioned and are quite expensive,

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My 96 s10 blazer has fuel pressure to the injectors whitch are spider injectors but will not start


I had a 2000 chevy Blazer that had the same problem. I ended up replacing the spider injectors from the local parts house and solved my problem. The computer was sending to open them but they didnt in which it wouldnt run. Hope that helps.

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1996 s10 pickup 4.3 vortex . I have goog fuel pressure . I have ignition .It will run on starting fluid . Injectors will not fire . Replaced spider injectors and crankshaft poisition sensor .


replcace filter? ,you say you have good pressure.have you checked your pressure with a guage? i had pressure but not enuff,really 96 4.3 vortex needs to be pretty high(check requierments at parts store) fuel pump is in the tank, cheapest one @ 235.00

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replace the electric part of the ignition down on the steering colum ....u will have to drop the steering colum down but not totaly remove...fixed 2 s-10 trucks same year that way

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I disagree with blood has nothing to do with injectors or fuel pump in 99% of all cases of this problem and is a very costly mistake to replace those things only to end up with only a $15 egr problem.

It is usually a faulty/bad EGR valve which is a very commonly known thing when it comes to s10's they were notorious for stalling and hesitation issues due to bad egr's from 89-94.

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Have code for cylinder #1 misfire on 96 chevy blazer engine runs rough at idle what do i need to do


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1 Answer

95 S10 blazer won't start


check the EGR valve. it might be dirty in side with carbon. DONT GRINE OFF GASKET SCRAP IT OFF.

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have you checked the fuel pump? mine would shake rough then stall... i doubt it is the tune up but check the fuel stuff

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