What would make a 1998 Pontiac sunfire 22liter 4-cylinder not fire to the pluges?
Most likely, replace the ignition coil packs.
What is the reason of miss firing in a CNG engine whats the solution of this problem. why an engine does not take pickup while in CNG rather than petrol?
Why would your son's MP3 player say it's hooked up to the computer but the computer doesn't dectect it when it used to detect it.you tried 3 different computers?
two places by battery or passenger fender look like little boxs on fender with pluges on them. There is a plastic covering in front of the passengers side firewall under it will be two relays ,switch them then check the operation of the blower and replace the one that is bad. Reminder: Always remove the ground cable from the battery before changing relays-sensors etc.