engine backfires neon 95

if anyone knows why my engine backfires when iím parked on idle I would like some sugestions. and itís not the spark plugs there almost
and my parking brake light turns on and off on the dash board for no reasons. I checked it is still working fine. thanks
Posted using the http://www.autoforumz.com interface, at author's request
Articles individually checked for conformance to usenet standards
  Click to see the full signature.
Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
Add image file

Motorsforum.com is a website by car enthusiasts for car enthusiasts. It is not affiliated with any of the car or spare part manufacturers or car dealers discussed here. All logos and trade names are the property of their respective owners.