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Cj7 258 rough idle

WebJun 3, 2009 · I have a 75 cj5 with 258 I6. ... Runs rough & dies when engine is warm help!! Discussion in 'Intermediate CJ-5/6/7/8' started by toy89yota, May 25, 2009. ... just like when you hit the gas to slow down the idle as it warms up. The choke themostat may be bad and not opening. A new electric one is about $40. WebRelated Engine Runs Rough Content Idle Not Low Enough And Rough It Has A Brand New Rebuilt Stock Bbd Carburetor, Electric Fan, Aluminum Radiator, Aluminum Valve Cover, And Power Brake Booster.

1985 CJ7 258 6 cylinder Idling Rough Jeep-CJ.com

WebJeep Cj-7's and early wrangler YJ's with 4.2 liter engines came with a rather lowsy carter bbd carburetor which of goes out fo adjustment. One of the … WebNov 12, 2024 · Fresh rebuild AMC 258 w/4.0 head. Timed at 8*. Idle 650 RPM. Vacuum at 19 -20. Runs fine. Distributor is a reman'd. First time the engine was started was fine till vac adv was attached. Then it idle'd way up missed and ping'd. Thought that it may be the vacuum on the dist. Couldn't seem to adjust it so swapped it for one from an old dist. coach banana leaves https://cdmestilistas.com

Jeep CJ7 258 Six Rough Idle - 1972-86 AMC/Jeep® CJ and …

WebMay 31, 2010 · Re: 258 cj7 rough idle; won't idle. The tank was completely drained, new gas put in, fuel filter changed, and all fuel hoses changed and it still will not idle on its own. I will say that it is easier to maintain the idle … Web1983 JEEP CJ7. 4.2L. 6 CYL. 4WD. MANUAL. 111,000 MILES. It has a brand new rebuilt stock BBD carburetor, electric fan, aluminum radiator, aluminum valve cover, and power brake booster. I am unable to get the idle speed set correctly. If I adjust the two mixture screws on the carburetor to get the vehicle to idle lower, it will stall out when ... WebApr 20, 2015 · 283jeeps. I have a 1984 CJ7, 258 engine that just received a brand new (Chinese) motorcraft 2100. It had a Weber (can't remember the model number, but it had a water choke) when I bought it, and it ran very poorly as well. Previous owner said it was just bad gas, but who knows🤷‍♂️. Anyway, started it up for the first time few weeks ago. calculating margin from cost

Runs rough & dies when engine is warm help!! - ECJ5

Category:Engine Running Rough and Backfiring - Jeepz.com

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Cj7 258 rough idle

CJ7 bad idle and running rich - 2CarPros

WebOct 11, 2014 · Re: 258 vacuum hose question. First off, go on ebay and buy an aluminum valve cover. The factory cover is plastic, warps from heat, and then won't ever seal right. As for vacuum hoses, and idling, the only things that should be on the valve cover are a hose going from back port (on valve cover) to air cleaner, and front port to somewhere lower ... WebJun 8, 2005 · At load going 55 MPH --- 25 lbs when fully warmed. The ticking can be heard really well by putting a piece of wood (ie: 2x2) and then putting the wood to your ear (actually touching). My neighbor seems to thing it is the valves ticking. The engine does not use a drop of oil (except for the normal 258 stuff..

Cj7 258 rough idle

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WebJEEP CJ7. '83 Jeep CJ7 258 4.2L 6cylinder. New Carb, new Valve Cover, New Fuel Filter, New Plugs, New Plug Wires. Problem: Jeep sputters and blows a grey/white smoke out the exhaust which smells very strongly of gas. I first thought that I may just have trash in my gas so I used Lucas fuel treatment more than usual and replaced the fuel filter. WebFeb 7, 2011 · My old '81 had the AMC 258. Sometimes it would idle just perfect, then out of the blue it would act up and idle rough. It always seemed to clear itself up tho, but then …

WebJEEP CJ7. I have a 1983 Jeep CJ7 that has 146,000 miles. It has the 4.2 engine. The problem is that my engine would not idle along with no power at higher RPM's. I replaced the carburetor and had a mechanic check it out. The inspection tested that the fuel delivery was normal along with the volume. To-date the engine runs great at low speeds ... WebSep 17, 2011 · Symptoms: Had to keep richening fuel mix screws out ½ turn at a time ‘til it would start and stay running. Had to turn idle speed screw in almost as far as it can go inwards for it to start and stay running. Vacuum lower than usual @ 16 to 17"Hg and steady @ 1,000rpms in P (down by 1 ½" to 2 1/2" Hg) Holding Choke plate partially closed ...

WebFeb 28, 2010 · Feb 27, 2010. #1. After just completing the TFI ignition upgrade and while that made a very noticable improvement I still had a spot just a crack above idle were it would nearly stop running if you held it there, I am talking with the hood up and manualy holding the throttle. So since I just passed my smog inspection I though I would see if ... WebNov 4, 2010 · The high idle on the choke is set to run at 1,250 RPM's, and the low (warm) idle is set to run at 750. Even though when cold the choke is completely closed, there are …

WebFeb 15, 2013 · A few weeks ago I took my 84 cj7 (258 & carter) to a shop for some work on the choke because of a problem starting. Starts fine now but ever since the (previously …

WebDec 15, 1999 · Guest. Discussion Starter · #1 · Dec 13, 1999. I have an 81 CJ-7 with a 258 of unknown mileage. It doesn't rattle or smoke but it shows only 3 - 5 psi when hot. The guage is a new mechanical one that reads the same as the two electric ones befor it. I have installed a high volume pump and replaced the rod bearings w/stock while I had it apart. calculating margin of error statisticsWebFeb 26, 2024 · 2 Posts. #15 · Feb 25, 2024. Jeeper1970 said: I got a 1979 Jeep CJ7 with the 258 cu. in. inline 6 cylinder engine and automatic tranny and have only put around 50 … calculating mark to marketWebAug 18, 2009 · Re: Engine Running Rough and Backfiring. Originally Posted by coolhuh. 1984 CJ7 with a 2.5L 4cyl. Engine runs rough, backfires and has very little power. I changed the plugs, rotor, cap and wires, set the timing and it ran fine. I parked it in the garage, today I started it up and it is running rough, backfiring and low on power. coach bandeau