Idle problems -

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post #1 of 3 Old 03-27-2013, 08:10 PM Thread Starter
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1973 CJ5 
Join Date: Mar 2013
Location: sacramento
Posts: 5
Idle problems

I have a 1973 CJ5 with a 304 V8 , 2 bbl motorcraft carb, and a 727 toqueflight trans. In park at high idle it stays running but when i put in in drive it will idle for a few seconds then starts idleing rough then wants to die. Carb is rebuilt, new wires and spark plugs. Any input would be appriciated. Is it possible that it could be the PCV valve? Im pretty sure i dont have any vacuum leaks.

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post #2 of 3 Old 03-27-2013, 08:20 PM
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1986 CJ7 
Join Date: Mar 2007
Location: Jacksonville, Oregon
Posts: 2,309
Need to do you know you do not have any vacuum leaks.

Have you performed any recent maintenance on the engine?

'86 CJ7, 258, Carter BBD, Nutter'ed, TeamRush'ed, T-18, Twin Sticked Dana 300, D30 Frt-Pwr Lok L/S-4.10, AMC 20 Rear-Mosers-Detroit Locker-4.10, 2.5 BDS Lift, 1" Body Lift, 33" Wild Country M/Ts, Black Spoke wheels

'45 CJ2A, L134 Go Devil, T-90 Tranny, Warn O/D, T-18 T-Case, Dana 25 Frt, Dana 41 Rear, 531st CJ made

My 401 build:
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post #3 of 3 Old 03-27-2013, 08:51 PM Thread Starter
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1973 CJ5 
Join Date: Mar 2013
Location: sacramento
Posts: 5
I only have two vacuum lines, from carb to the distributer and from PCV to carb. Both dont leak
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