What happens when ignition coil pack goes bad?

When an ignition coil pack or Ignition Control Module goes BAD, on your 2.2L Chevy Cavalier or Pontiac Sunfire, the car will suffer a misfire condition or a ‘no spark no start’ condition. Here’s a short list of symptoms: Check Engine Light (CEL) on. Misfire Codes: P0300, P0301, P0302, P0302, P0304.

Can you test the ignition coil pack on a Cavalier?

You’ll be able to test the ignition coil packs, ignition control module (ICM) without having to use a scan tool. So, whether your Cavalier or Sunfire has a misfire condition or a no start no spark condition, this article will help you to troubleshoot and diagnose the problem.

What are the wires in the ignition coil pack?

E – YELLOW wire. Crankshaft position sensor circuit. F – RED with BLACK stripe wire. Ground circuit for ECM. A – BLACK (or BLACK with WHITE stripe) wire. Engine Ground (for the Module). B – PINK wire. 12 Volts with Ignition ON.

How to test the GM 2.2L ignition coil pack?

To see all of the GM 2.2L ‘How To Test’ Articles, you can go here: GM 2.2L Main Index Of Articles.

Why is there no spark in my ignition?

An ignition module requires some type of external input in order to activate. If your vehicle stalls unexpectedly during operation and will not start again, it is likely because of loose or corroded electrical connections in the ignition module. In this case, check the switch, clean oxidized terminals, and replace broken wires if necessary.