I think I may have leaky gaskets...what would be a fair price for sale of a 1991 Toyota 4-Runner automatic

I'd pay $800 if the upholstery and paint...chassis was straight (no wrecks) was A-OK~.....if I was lookin' for one of these~

you need a bit of a motor rebuild at this amount of mileage anyways, timing chain at 150,000 will need to pull the head off anyways...so fixing a head gasket leak will be solved and you'll have a practically new engine...just replace the timing chain, get a headgasket kit...and for a minimum amount of scratch can have 'er runnin good as new within a weekend worth of wrenchin'...and perhaps some machine shop service (if the heads are warped)~

should machine heads, the one time i did not it turned out it was warped. Also check engine block best you can for warpage should not take long to fix 1 day must read service manual if never changed a head before need torkwench try to find some one to help you that did this before. not hard if you know how.; well that is every thing right; good luck. ps. cost a lot to pay some one for this job try to do it your self and find out y it over heated in the first place