Question about 1983 Toyota Land Cruiser

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Vacuum problem I've got an 83  land cruiser that is not creating a vacuum at the vacuum advance.  Where do i start??  Carb was rebuild, motor is getting fuel, and the timing seems to be ok.

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Look at your vacuum tank most of the time these are leaking

Posted on Mar 07, 2009

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91 Land Cruiser, starts fine, however all dash warning lights stay on once motor is running, checked all oil, water levels etc, all fine, any ideas please.

I've had a similar issue. Turned out the Alternator was clogged with mud and wasn't charging anymore. Pulled it out and apart, cleaned it out and put it back and voila! Problem solved. Check the output of your Alternator, should be around 13.2-13.5V.

Oct 10, 2011 | 1991 Toyota Land Cruiser

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Not starting...fires only when gas poured into carb...gas not getting to carb from tank?

i would check the site glass on the front of the carb to see if their is fuel in the carb . the glass should be about half full of fuel. if not i would check the gas lines and fuel fillter. if those are all in working order then i would check the operation of the fuel pump.( on the 83 it is a mechanical fuel pump on the front of the motor. easy to change . two bolts and three fuel lines .

Dec 01, 2010 | 1983 Toyota Land Cruiser

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My 1984 land cruiser will only start after I put Gas in the carb, it has been sitting for a while is that usual?

you may very well need to rebuild your carb. also your fuel pump may be gummed up. the check valve inside might be stuck open

Dec 18, 2009 | 1984 Toyota Land Cruiser

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No idling

I would suspect the carburetor may have been reesembled incorectly as you did mention that it was recently cleaned and rebuilt. If the car ran before the work, but now it does not, then you have already found the problem (Carburetor), Could be a sticky float, a dirty jet, a grain of sand in the carb. If this is not the case and the car ran fine with this carb AFTER the Rebuild, then you must have a LEAN condition occuring. The car will only run when you choke it, this Richens the air/fuel mixture, thus when you UNCHOKE it you are leaning out the mixture again and the vehicle dies. Google carburetor LEAN conditions and you will get a list of things that cause a lean condition, hopefully you can pinpoint the problem from there. Hope this helps!!!

Oct 16, 2009 | 1984 Toyota Land Cruiser

2 Answers

Engine light on

Check for

vacuum leaks on intake manifold,

the air tube between the air filter.

intake manifold vacuum hose.

clean throttle plate with Berryman carburator cleaner

SEE sample picture HERE

Also remove carbon built up behind the EGR valve and the EGR passage tube.


Vacuum leak WILL offset the intended 14.7 to 1 air fuel ratio.

More un-metered air (leaks) will lean out the fuel mixture.

Use small amount of Berryman carb clearer at potential air leak area will help you identify trouble spot.

At idle,just spray and listen for the RPM surge.

The in-rush of carb clearer will increase the RPM on the motor.

Record the problem spot(s) and address it later.


EGR carbon built up require 2+ hours to clean from start to finish.

You will need a new EGR base gasket before your start.

Locate and remove the EGR valve after the vehicle is cool down.

Carefully record the connector and vacuum line (for older vehicle) location by drawing an easily to follow diagram.

Remove the EGR valve.

Inspect the location of the carbon built-up inside the valve and the EGR passage tube.

SOAK these areas with WD-40 spary.

You will need a small screwdriver,cloth hanger and lot of newspaper and time to get this cleaning done right.

RE-SOAK the carbon and let it sit for over-night will also help.

One the last round,pass a shop vacuum of the EGR valve and the passage pipe.

Install the new EGR gasket and connectors.

Allow the vehicle to warm up outdoor to burn up any remaining WD-40.

Take it for a test drive.

Please rate my answer if it's useful to you.



Sep 15, 2009 | 1997 Toyota Land Cruiser

1 Answer

Vacuum hose loactions

buy a manual from toyota it will stand you in good stead for many years to come

Sep 13, 2009 | 1995 Toyota Land Cruiser

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1993 vx land cruiser Driving along and transmission slips, motor revs and truck has no drive.This happens regularly despite having transmission reconditioned 30,00kms ago

still has internal transmission concerns,, toyota does not reccomend rebuilding auto trans.. go rebuilt. if you choose to rebuild. get all new gears

Jul 19, 2009 | 2000 Dodge Neon

1 Answer


If it is a small amount of fluid that is leaking I would try some of the Lucas brand products. after a couple of applications on my 78 chevy's power steering pump the leak stopped.

Apr 27, 2009 | 1983 Toyota Land Cruiser

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