Jump to content
Ultimate Subaru Message Board

87 carbed EA82 Backfire :(


Recommended Posts

so my car is idling fine now and all but after adjusting everything my car is fackfiring alot...pretty much everytime rev up and let off and when im shifting gears. I am assuming i need to fool with the idle air screw...what should I do?

Link to comment
Share on other sites

so my car is idling fine now and all but after adjusting everything my car is fackfiring alot...pretty much everytime rev up and let off and when im shifting gears. I am assuming i need to fool with the idle air screw...what should I do?

 

my 85 did the same thing. it turned out to be the pulse air injection system.

two marbles stuffed in the hoses fixed that problem.

I guess there is a reed valve of some kind in there that does not seal properly and allows the fresh air to get sucked into the exhaust on decel causing a backfire.

Link to comment
Share on other sites

Please sign in to comment

You will be able to leave a comment after signing in



Sign In Now
 Share

×
×
  • Create New...