When the vortec engine distributor fails the vehicles experienced one of two popular symptoms.
4 3 vortec engine distributor cap.
4 3l vortec distributor cap failure.
Here are a couple more tips and suggestions.
From there reassemble everything and you should be good to go.
The first sign of this situation often becomes a check engine light code p0300 for a random misfire.
The 4 3l v6 vortec lu3 is an engine produced by general motors for use in full size light duty pickup truck and vans.
The distributor cap failing is a common problem across all vortec engines.
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The vortec distributor is responsible for providing the ignition coils with the electricity required to power the spark plugs and create combustion.
Some 85 4 3l even fire v 6 engines with federal emissions had a large cap hei distributor that still retained conventional mechanical.
The distributor in a 1997 chevrolet blazer accepts the electrical charge needed for combustion and relays it to the six spark plugs in the 4 3 liter vortec v 6 engine in a specific order.
Number one the upper bushing deteriorates and allows the cam driven distributor shaft to wobble.
Displacing 4 3 liters in a v6 configuration the lu3 served as the standard.
Turn at a time until i get the right angle and the distributor bracket is flush with the engine.