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JD King Posted on Nov 11, 2017
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1983 Jeep CJ 7 258 idling too high after warming up

I gave you guys the wrong cu in on my first request for answer about my Jeep iding too high after the motor warms up. I told you guy's it was a 260 or 268, but motor is a 258. I am sure you knew it was a 258 but I wanted to let you know that I had a memory problem hit me on my first email requesting your help. Thanks Much. Grampy55

  • Anonymous May 11, 2010

    that's OK grampy I'm 62 and sometimes things slip by unnoticed too first thing is crank the engine and while idling look under the hood for a loose vacuum hose If nothing is loose take a pair of needle nose pliers and pinch off hoses,(One at a time) when you pinch one and the engine slows down, follow it to the other end, either it's loose or whatever it powers is shot If it passes near the exhaust check if it's hard as a rock, that's a leak replace that hose hose is cheap, go to any parts house.9Take the old hose for size and length) Write back what you found please

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Kardoc

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  • Jeep Master 7,503 Answers
  • Posted on Apr 22, 2019
Kardoc
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Joined: Sep 18, 2010
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Make sure that the choke is working and releasing the fast idle cam. May need to be lubed a little if the cam is dirty and stuck.

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SOURCE: I WAS ON HERE BOUT THREE WEEKS AGO OR SO WHEN MY

You may have blown a relay or possibly a fusible link. You can test either with an ohmmeter or multi-tester. How are other components like lights and guages? If they are flashing and acting weird, then I would suggest voltage regulator

Anonymous

  • 855 Answers
  • Posted on Oct 01, 2009

SOURCE: 1979 cj replased carb idles tohigh

Even with a rebuilt carb you have to make the adjustments. Check the choke adjustment and set the fast idle. If choke is to tight it will be hard to start and take a long time to idle down. The fast idle sounds like it is high also.

mister_b_65

Bruce Carlson

  • 74 Answers
  • Posted on Dec 13, 2009

SOURCE: heater on2002 Jeep liberty wont stay warm unless its moving



Check to see if the coolant level is low.






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1983 CJ-7 Had someone put water in gas tank? Blew out lines, rebuilt carb and cleaned out, cleaned tank, gas dryer and new fuel, new fuel filter (clear), new fuel pump,replaced rotor cap, plug wires,...

You put something back the wrong way.....any amount of water in the tank, carb or whatever WILL NOT cause the engine not to fire.....check any wiring/rewiring you did for accuracy
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Firing order for 1972 jeep cj5 straight 6

Jeep CJ-5 4.2 liter L6 VIN "C" 2-bbl

7e1d9d9.gif

Hope helps (remember rated and comment this).
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I have a 1979 cj 5, i can't keep my front spindle nuts tight. the tab on the outer washer is not long enough to bend over the outer nut, what am i doing wrong?

Generally if you bend the washer up against the flat side of the nut they generally don't move. Not sure what you could be doing wrong. It doesn't generally take that much to hold that nut from turning.
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Replacing front shackle 1983 jeep cj7

Shackles are pretty straight forward. Remove the existing bolts, change the shackles and reverse the procedure to install. Good idea to change the bushings while you're in there if they are at all questionable. It's best to do this with the CJ in the air, supported on the frame and use a floor jack under the axle to lift/lower the spring in/out of the shackle, one side at a time.
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1979 cj replased carb idles tohigh

Even with a rebuilt carb you have to make the adjustments. Check the choke adjustment and set the fast idle. If choke is to tight it will be hard to start and take a long time to idle down. The fast idle sounds like it is high also.
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JEEP Willys SN# 57548 62199 Ineed info on this jeep i don't know what year or body style. The info I had to select on the web site is not what the jeep is the info above is all i have.

I can assume that this is a Classic Jeep CJ-5, (cousin of the CJ-3A), there is little information on these models, but for lovers of these models, and with some patience, you can get interesting data.

1960 START END UNITS
CJ-3B 57348 57548 67473 9926
475-4WD PU 55248 12925 13455 531
" " STK 55348 10202 10302 100*
" " CAB 55148 11479 11602 124
" " C/WS 55548 11887 13337 1451
6-226 4WD PU 55268 53287 60913 7627
" " STK 55368 12507 13110 604
" " CAB 55168 19578 23199 3622
" " C/WS 55568 10091 10103 12*
CJ-5 57548 97919 119539 21621
" ST CH 57648 10174 10325 152

I suggest you visit these sites:
- http://jeep.off-road.com/jeep/article/articleDetail.jsp?id=260232
- http://www.cj3a.info/index.html
- http://www.cj3a.info/links.htm

Good luck!!! (rated this).
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High rev

CHECK THE IDLE CONTROL VALVE
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'94 Nissan P/U 2.4 4cyl started reving high. Replaced Idle control valve-aftermarket; continues with same problem. truck idles normal for a few minutes when cold and soon as it warms up it idles high!!!! ...

sounds more like a vacuum problem -temp activated vacuum port -distributor advance or loose vacuum line to or from evaporative control canister if engine bay equipped
does it have a throttle position sensor starting to fail ?
I'm not a nissan guy --more a honda,toyota,ford and GM guy --or classic internationals
other possibles try autozone.com --after waiting for a better answer here
hope this helps
HAWK
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