you may need a tune up. the wires or your spark plugs
we have an 03 impala that misfires and has fluctuating water temp, and no heat unless on hiway.anyone have any suggestions? maybe?
The coil common fault
If it has a circuit malfunction, or is causing a misfire.
The vehicle will have low compression causing it to misfire and not run
If it is causing the cylinder to misfire, yes.
If bad plugs is causing the misfire. It could also be bad plug wires, a vacuum leak, burnt valve, blown head gasket, etc.
Yes, if the wire is old and frayed or if it is rubbing against metal the wire could ground out and discharge into the engine block before it get to the spark plug causing the plug to misfire. If the contacts are worn or loose you could also get an intermittent misfire.
it could be lack of compression, lack of fuel, lack of spark or lack of air.
its not burning all the fuel in the cly causing a rich mode
A service stabilitrak message is displayed. High temperatures and vibration are causing the yaw sensors to lose communication. 2010-2011 impala
code P0302 would indicate a misfire in cylinder #2 .Most common thing is a plug or wire , But this could be a number of other things causing cly. #2 to misfire.
Misfire is usually caused by faulty spark plug wires or spark plugs or both. I don't see the throttle body causing misfire.