she thinks shes caburated....
Thread Starter
Junior Member
Joined: Dec 2009
Posts: 74
Likes: 0
From: rossville Georgia
Year: 1991
Model: Cherokee
Engine: 4.0 straight six
she thinks shes caburated....
just got a 91 xj 4.0. it tskes a sec to crank while im pumpin the gas and wont idle for 5 min. and its 95 degrees out side. also has a small miss...new plugs ans wires it looks like too. i was thinkin maybe the timing was off?? any ideas?
CF Veteran
Joined: Oct 2009
Posts: 2,867
Likes: 16
From: Fauquier County, Virginia
Year: 1991
Model: Cherokee
Engine: I-6 4.0 HO
Timing isn't adjustable on the 4.0. Unless the chain snapped or someone took it apart before (although the chain snapping is rare as far as I know), that should be ok. Is fuel pressure good? Check and clean the IAC and TPS and maybe the MAP sensor. This really seems like a sensor issue to me.
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