Is spark knock normal?
Spark knock (detonation) is an erratic form of combustion that occurs when multiple flame fronts occur simultaneously inside a combustion chamber. Mild detonation can occur in almost any engine and will not cause damage.
Can a bad knock sensor turn on an engine warning light?
Of course, there are many reasons why an engine warning light could turn on and a bad knock sensor is one of them. Regardless of the reason, you shouldn’t take the chance of ignoring it for too long or it could have devastating effects on your engine.
Why do I get less mileage with a bad knock sensor?
If you notice that you’re getting fewer miles per gallon than you normally do, then a bad knock sensor could be contributing to that. Again, there are many reasons for why you might get bad fuel mileage.
Why does my car knock when I Turn on the engine?
A higher octane rating has a higher resistance to compression ignition. Using the wrong fuel will likely cause engine knock. Note that some vehicles are designed to run multiple octanes. In these situations, the engine will adjust accordingly. As a vehicle ages, carbon deposits build up on the valves, cylinder walls, and pistons.
How to diagnose no spark GM 3.8L?
For a list of all of the 3.8L articles in this site, check out the index: GM 3.8L Index Of Articles. You can find this tutorial in Spanish here: Cómo Probar El Módulo de Encendido y Sensor del Cigüeñal GM 3.8L (at: autotecnico-online.com ). Here is a little background information to help you diagnose this no spark condition.
When do spark plugs wear out on a Dodge minivan?
Copper spark plugs, which are the factory equipment spark plugs for the 3.8L V6 Chrysler, Dodge, and Plymouth minivans, will wear out around 50,000-60,000 miles. Platinum tip spark plugs will normally wear out around 100,000 miles. The other thing that causes a spark plug to fail, is carbon deposits that accumulate and block the electrodes.
What is the ” best ” spark plug for the 3.8?
So what is the “Best” brand/type plug for our JK 3.8L engines. Mine is reaching 25k trouble free miles but I know from experience that plugs start breaking down at around 30k, that puts extra strain on the coils and related components. I’m planning on a change out soon, give me feedback!
When to replace spark plugs in Chrysler Grand Caravan?
If the engine IS NOT burning oil: You’ll be able to enjoy the full service life of the spark plugs before its time to change them in your min-van. If you’re using the original equipment copper spark plugs, on your 3.8L V6 Grand Caravan (Town & Country, Grand Caravan), you’ll be replacing them around 50,000 miles.