86 Jeep Cherokee

[TreeClimber]

Karl may have hit the nail on the head with the Cat Converter. A clogged cat converter is like the old potatoe in the tailpipe. Too much backpressure won't allow the engine to exhaust the spent fumes and acts like a fuel delivery problem. By 2 cents. And a very easy cheap fix too.

 

[hwcurtice]

Karl may have hit the nail on the head with the Cat Converter. A clogged cat converter is like the old potatoe in the tailpipe. Too much backpressure won't allow the engine to exhaust the spent fumes and acts like a fuel delivery problem. By 2 cents. And a very easy cheap fix too.

Yep, remove cat converter, put straight pipe in. No problem with cat conveter anymore.

 

[junkyard jim]

Just gut the cat and leave the casing in place. Then you pass the visual and the EFI passes the sniff test easily without it. (mine's been tested 4 times now)
I just picked up a carbed 4 cyl '86 2dr XJ (failed the Etest, even after they spent $500 on a new POS carb!) with 65,000 miles on it. The motor is going into my old '86 longbox with Renix TBI to rejuvenate it (backup wheels till I sell it)


EDIT: After that, I may put a 304 and 727/NP208J into the 2dr to have fun at Reiter with!