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Spark plug gap for 99 chevy blazer 4x4 4.3l vortec

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 341 Answers

SOURCE: need plug gap for 2003 4.3 chevy truck

the plug gap is -- .060

Posted on Dec 06, 2008

Caesarfix
  • 141 Answers

SOURCE: 4.3 L vortec firing orcer and wiring diagram

you need the firing order?? it is 1, 6, 5, 4, 3, 2 clockwise. Number one on cap is forward position, or 6 o'clock position, just left of the hold down bolt.

Posted on Jan 22, 2009

emissionwiz
  • 75822 Answers

SOURCE: spark plug gap chevrolet 1988 1500 v8 5.7 litre

GAP=0.035" source: rockauto.com

Posted on Mar 12, 2009

motor1258
  • 6674 Answers

SOURCE: GAP SETTING FOR 1995 CHEVY SILVERADO

4.3L = .045, / 5.0L & 5.7L = .035

Posted on Mar 22, 2009

  • 66 Answers

SOURCE: firing order for 4.3 liter chevy blazer

1-6-5-4-3-2

Posted on Jun 25, 2009

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Jan 27, 2016 | Cars & Trucks

1 Answer

99 chevy blazer v6 vortec 4 door 2 wheel drive turns over wont crank


Run basic tests--Spark to plugs? Correct fuel pressure key on? Compression?

Jul 14, 2015 | Cars & Trucks

1 Answer

1999 chevy blazer not starting


Check the plug wire from the ignition coil to the distributor cap.
If you haven't already, replace the distributor cap and rotor.
The GM Vortec's have issues with moisture getting inside the cap and rotor and causing problems.

Apr 24, 2012 | 1999 Chevrolet Blazer

1 Answer

Changed spark plugs in my 1999 chevy blazer and it wont crank over. Gapped the plugs to specs...should I've also changed the wires, cap & rotor also?


When you go to an auto store and they give sell you spark plugs they should already be gapped to spec. There is no need to adjust the gap. This may be the reason your car will not start. I would try new spark plugs first then wires. Since the vehicle is a 99 it probably could use a tune up (spark plugs, wires, coils, cap, rotor, chassis lube, and transmission fluid check and flush if needed). Also make sure that the engine block ground strap is in good condition and that there is no corrosion covering the ends of the ground strap. The ground strap is typically located near the firewall and is directly attached from the engine block to the frame of the car.

Mar 11, 2011 | 1999 Chevrolet Blazer

1 Answer

I cant rember how to install my spark plug gap on my chevy blazer 1997 i need instuction guide


call your local auto parts and ask for the gap size and adjust accordingly

May 12, 2009 | 1997 Chevrolet Blazer

1 Answer

1999 chevy blazer wont start


THE FUEL PUMP IS BAD.

if your losing fuel pressure after the pump runs the drain back valve in the pump has failed.

and i doubt that you are seeing enough fuel pressure to run a vortec engine.

low fuel pressure equals a non running vortec

Apr 11, 2009 | 1999 Chevrolet Blazer

3 Answers

I am changing spark plugs on my 4.3 vortec and need to know what the gap of the plugs are ?


I'd say probably .060 but see sticker on rad support or underside of hood to be sure.

Mar 01, 2009 | 2003 Chevrolet Blazer

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