Why is my Chevy Silverado engine not sparking?
Turn the engine on, if you can, and remove each of the ignition coil packs one-by-one. If there is a particular coil pack which is not sparking like the others, then you can surmise that a bad coil pack is what is stopping the engine from sparking. Check the spark plugs individually if you are not able to turn on your engine all of the way.
Why does my 350 Chevy truck not start?
350 chevy truck cranks but won’t start – Maintenance/Repairs – Car Talk Community Truck ran fine with no indication of problem. When outside temp. dropped in teens one morning it wouldn't start.
What causes a car to not start with no spark?
Without spark, the engine will Crank but Not Start. The ignition system of the GM vehicles covered by this article use a distributor type system. In my experience, the most common component failures, of the ignition system that cause a No Start No Spark Condition are: Distributor cap. Crank sensor.
Why does my GM 4.3L engine not start?
No Start Condition Basics There are three very basic components that the engine, in your GM vehicle, needs to start and they are: Air, Fuel and Spark. When your 4.3L, 5.0L or 5.7L GM vehicle cranks but does not start, it’s because one of these components is missing from the mix.
Why is my Chevy Silverado 2500 not starting?
While there are a variety of reasons your Chevrolet Silverado 2500 HD won’t start, the most common 3 are a dead battery, an alternator problem, or failed starter.
Why does my Chevy Silverado not have a spark?
Your ignition system contains many components, such as spark plugs, ignition coils, and fuel injectors, all of which work in tandem to initially start your engine. If your Silverado’s engine is not sparking when you engage the ignition, you may be having issues with the spark plugs or ignition coils.
Why is my Chevy truck cranking but not starting?
Too slow is either a starter motor problem or a electrical supply issue. Too fast can indicate a broken timing chain for example. Not sure why you changed the starter motor unless it was turning the engine over too slowly. If it cranks normally, it’s not the starter motor… How did you verify spark?
No Start Condition Basics There are three very basic components that the engine, in your GM vehicle, needs to start and they are: Air, Fuel and Spark. When your 4.3L, 5.0L or 5.7L GM vehicle cranks but does not start, it’s because one of these components is missing from the mix.