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What causes my 95 Blazer to not get any fire to the coil or plugs?

Installed new coil distributor cap and rotor.

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  • Master
  • 603 Answers

Maybe ignition switch.

Posted on Aug 09, 2017

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Posted on Jan 02, 2017

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stevehinrich
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SOURCE: Vehicle is stalling and back firing

P0108 is MAP sensor
P0351 is ignition coil A cicuit malfunction

Posted on Mar 03, 2009

emissionwiz
  • 76848 Answers

SOURCE: Replced the cap & dist coil pac has fire no spark to spark plug

install the new rotor, if that isn't it check the crankshaft position sensor.

Posted on Mar 18, 2009

dennymulford
  • 1055 Answers

SOURCE: 86 dodge 250 v8-318 no fire at spark plug, will not start

did you change the main coil and coil wire?if so then check the ing resistor and then the computor box

Posted on Mar 20, 2009

  • 6982 Answers

SOURCE: i have an 89 k3500 454 tbi not getting fire to

Pulled this out of a dark spot in my mind... check that the coil mount screws have not pushed through to the inside of the cap causing an internal short, pulling spark to ground. if distributor is new pickup coil should be ok but check for broken wires there just in case. Also if you have a tach, disconnect it from distributor. If internally shorted it won't get spark.

Posted on Mar 25, 2009

  • 290 Answers

SOURCE: distributor cap cables diagram tahoe 95

http://autorepair.about.com/library/firing_orders/bl-fo-3711.htm

Posted on Apr 01, 2009

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1 Answer

95 jag 4.0 no spark, but power to both coil wires , plugs are good


check the distributor cap and rotor button for shorts /cracks and cleanliness. If you have changed the HT leads then check the firing order . Check the HT lead from the coil to the distributor cap.

Jul 24, 2014 | 1995 Jaguar XJS

3 Answers

Ignition mystery! 1994 GMC Suburban 2500 5.7 mtr. No spark to spark plugs. Have spark from coil to distributor. Have changed coil wire, cap, rotor, ignition module, and coil. have 12.5 volts going to...


I guess you could have the ignition analyzed on an oscilloscope. Maybe a tech could see something then.
I always heard the only gap was the spark plug gap-the rotor has no gap-are you sure you got the correct rotor? And does it touch the top distributor cap coil wire tower?

Let us know. It is a mystery worthy of a solution.

Sep 21, 2013 | Chevrolet Suburban 2500 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

3 Answers

I have a 1993 chev pick-up v6 4.3, i just installed new spark plugs,new plug wires, distributor cap and rotor button.All plug wires are back in the right position,and i used the firing order 1-6-5-4-3-2...


This diagram is for 1998-1995 Chevy 6 cylinder 4.3L engines.
Your got the firing order exactly correct, at 1-6-5-4-3-2, but here's the thing to double-check:
The distributor rotation is clockwise (note badly rendered arrow in picture).



archaeology_96.jpg

Since you probably got everything right, then you're left with really unusual/rare causes of
failure of the ignition system:
(a) rotor button misaligned/failing to make contact?
(b) rotor button not pressed onto distributor shaft far enough therefore failing to provide correct
proximity to distributor cap contacts when coil fires
(c) coil wire or contact loose/disconnected - press coil wire firmly down into distributor cap.
(d) distributor shaft of other damage caused during installation of rotor.
(e) spark plug wires defective from factory
(f) spark plugs defective from factory
(g) battery low - may need a charge to start
(h) ICM (ignition control module) failure - hook up your HEI (high energy ignition) tester, and
watch the quality of the spark on each cylinder.
(i) fuel problem? If spark is being properly delivered, its gotta be a fuel problem...
(j) distributor cap not screwed down flush to top of distributor? maybe just on one side?

Inspect the inside of the distributor cap - if there are lots of little metal bits all over the inside
of the distributor cap, then you know you have a misalignment of some type in there, and the
rotor and cap are destroying each other. normal operation will throw a quota of spark-ed off
metal bits inside the distributor cap, but since your cap is brand new, your attempts to start
the engine should have rotated the distributor so few times, you should see no metal debris.

Inspect the distributor cap contacts to see if any spark marks are more of less in the middle
of the cap's proper "contact zone". If not, you've diagnosed an internal misalignment, which
you know how to correct.

Sep 14, 2011 | Chevrolet 1500 Cars & Trucks

2 Answers

I have a 95 chevy blazer with the 4.3 .i have tested and have spark entering the distributor but no spark leaving the distributor to plugs .have put new crank sensor ,cam pos sensor...


That is indeed odd. I would suspect problems with the hi tension cables if this was not part of the ones you changed since the flow of current ends at the distributor. Check also other cables such as the ground. It is puzzling that all plugs would not have any spark. I would also recommend a scanner used to check for error codes given out by the car's ECU.

Apr 04, 2011 | 1995 Chevrolet Blazer

1 Answer

How to install cap and rotor on a 2000 chevy blazer 4.3ltre v-6


Disconnect the wires and take pictures with cell phone for reference to ensure you don't cross them when reinstalling the new distributor cap. Remove the two torque screws in the distributor cap and remove the distributor cap to access the rotor. Remove the rotor by lifting straight up and inspect the distributor for any condensation and corrosion. Clean the breather screen at the bottom of the distributor before installing the new rotor which just slides back in place. Install the new distributor cap and tighten the new torque screws, make sure you do not over torque the screws since the distributor housing is plastic and prone to stripping. Reattach the spark plug wires and start the engine and idle for 5 min and go for a test drive. Good luck and you may want to also buy spark plug boot lubricant to ensure the spark plug wires are fully installed when placed back on the new distributor cap and recheck connections after test drive. Keep me posted, be glad to know your blazer is running 100% and please rate.

Jan 10, 2010 | 2000 Chevrolet Blazer

3 Answers

Replaced distribitor and rotor now wont start on 91 chevy blazer


make sure u have the wires in the correct spots, there is a firing order, u need to have them in the right spots or else it wont fire, call ur local parts store and they will give u the firing order

Jun 27, 2009 | 1989 Chevrolet S-10 Blazer

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