zrater

breakdown of a injector or is it a plug and wire, or maby a coil pack.. or maby valve. huh

RoDan

Causes: numerous things, ignition, improper fuel mixture, bad plug, bad fuel, yadda yadda

How PCM detects it: Slightly complicated, but basically it has to do with the engine being where the PCM expects it to be after ignition of the fuel. If it is behind where it should have been, then there was a misfire due to pumping losses etc. We are talking about degrees here, it is fairly sensitive. Depending on what cylinder(s) should have fired, determines which cylinder has the misfire code thrown. Pretty clever actually.

oddwraith

iTrader: (1)

Can you "feel" one in your car or is that just typically the lope of the engine I'm hearing? Does it always throw codes if it's misfiring?

zrater

any one else, explain missfire. i thought when injector dies then it calls for a missfire or a plug not firing or wire. thanks