Bad spark plugs, coils are coil, bad injector. Cam are crankshaft sensor
A cylinder misfire can be cause by a bad spark plug or a bad fuel injector. Replace the spark plug to see if the problem is corrected.
Several things can cause your 1996 4.3 liter V-6 engine to misfire and have a vibration. A bad fuel injector is the most common cause.
It is possible but anytime I have a misfire read on any one cyl. it has been a bad fuel injector. yes it very much can it can throw off your airfuel ratio causing you engine not to fire correctly..
Spark plug, coil, injector, bad fuel, weak compression, wiring issue, computer issue,......
Usually a bad coil , or plug. if the injector was bad , the computer would have coded for it. But the cylinder 3 coil and plug arent that easy to get to. Its the one at the fire wall
if its only on idle it sounds like a bad injector
Check the spark plug and the plug wire. If that isn't the problem then check compression. You could also have a bad fuel injector.
That error code is for a single cylinder misfire. Bad spark plugs or wires can cause this as well as a bad fuel injector.
Vacuum leak, clogged/dirty fuel injector, bad spark plug/ wires.
If it has a circuit malfunction, or is causing a misfire.
When you drive with a bad fuel injector, your engine will often misfire. You might also have a rough idle and increased fuel consumption.