what is wrong with my 92 pickup??? - Toyota Nation Forum : Toyota Car and Truck Forums

jarrodH · 03-26-2005, 11:51 AM

well first of all let me just say that my 92 4wd pickup has been a nightmare for me ever since i bought it 3 months ago. Out of those 3 months, it has only been on the road for a total of about 5 days, and not even in a row... After pumping lots of time and money into a new timing chain cover, timing chain kit, valves, gasket set, fuel pump, all the tune up parts i can think of, my truck again started acting up on me yesterday and stalled while i was driving it, and i could not get it to start.

It was running fine the night before, but it was idling a little rough, so i moved the distributor and little and adjusted the timing and it was fine. But while driving my oil light came on, and the tranny (automatic) would not shift into 4th gear (yes the O/D button was on) and i was driving up the highway to go to my girlfriends work. When i got there, i had to make a left to so i had to wait for oncoming traffic to pass, and as soon as i came to a stop it stalled in the middle of the road. I had to keep the key turned, and it slowly cranked and finally started, i had to keep the gas revving so it would not stall. When i pulled into the driveway, it stalled again.

I let it sit for about 20-25 minutes, checked the oil, it was full and fine. Checked the auto tranny fluid and it was low. I happened to have some in the back of my truck so i filled that up to. I did notice that i had a leak of tranny fluid under the front of the truck in a few small spots, so i was wondering if when the fluid was moving it was sucking in air and not allowing the tranny to shift??

Anyway, i started it again after that and it ran for a few seconds, and as soon as i shifted into reverse, it stalled. I started it again and let it run for a few more seconds, and then shifted again, and it stayed running. It was running well enough with no oil or check engine light on, that i decided to drive it back home. It was fine at first until i hit some hills and with the pedal to the floor it was losing speed up a hill. When i got back into town, i pulled into a gas station to get some gas and it stalled right as i stopped at the pump. It hasnt started since. So my dad pulled it to a nearby parking lot and it is still there now.

I dont know what the symptoms sound like, but the fuel pump has been replaced TWICE in that truck within 5 months. Even thought anything is possible, I refuse to believe that the pump is bad again. It HAS to be something else... after the nightmare this truck has been, I just want it to give me a break and WORK once and for all. Any ideas guys?

burger · 03-26-2005, 09:41 PM

o.k.,this is along shot,but it is something to check.you stated that the oil and check engine light came on,but the oil level is fine-you have irregular running and power loss on hills-I'm thinking it might be electrical.just for fun,check the wire that runs from the positive battery terminal to the fusebox on the passenger side fender-make sure it has a good connection on the terminal.your truck won't stay running with this disconnected and sometimes they break away but still make contact.Then get your altenator tested,make sure it's charging well enough-maybe you are getting a draw thats taking power away from your fuel pump.Lastly,get your fuel pressure checked,if your pressure is good you can rule the pump,lines and filter out.Sorry to hear of your luck,but once you get it figured out,you'll be a happy Toyota camper.Chris

wkobe · 03-26-2005, 10:35 PM

check the wiring harrnes that runs over the intake manifold i have seen them get shaifd and cause similar problems

jarrodH · 03-26-2005, 11:19 PM

thanks guys, ill have to check this out. Im pretty sure it has something to do with electrical or wiring. I havnt checked the efi fuse yet, cuz i havnt looked at it since yesterday.

jarrodH · 03-27-2005, 02:26 AM

well my truck is sitting in the price chopper parking lot in my town, and i was just down there with my car to get something to snack on, and as i was leaving i thought i would go take a look at it. The efi fuse was fine, and i forgot all the things you guys told me to look at, but it acts like it wants to fire, and i know i at least have spark from the coil. So unless there is something wrong with the ditributor or the rotor (rotor is brand new) then it doesnt seem as though it is getting enough fuel. Oh well, ill have to check it out later when its a bit warmer out and i have more time.

burger · 03-28-2005, 02:51 PM

Jarrod,I was going to mention,have you checked the tank?maybe it's got a layer of sludge and crap,or you have a quarter tank of water and it's getting sucked up and ruining your pumps..ther should be a drain plug to check,I looked on mine but it's got a skidplate and I couldn't see.good luck

jarrodH · 03-30-2005, 10:26 AM

burger: hmmm i never thought of that! Anyway, while i was off with my girlfriend this easter sunday, my dad and my brother were nice enough to go down to the parking lot and mess with my truck. My dad said he sprayed a little ether into it, and it started right up after a few cranks?? He drove it home fine and my brother followed him. So now it sits in my driveway waiting to be looked at. When i started it in the driveway, it fired up, but was still idling kinda rough and sputtering a little bit, so what you're saying about the gas and the tank makes sense. It also has a coolant leak that needs some attention, because its lost enough coolant to make it start to overheat a tiny bit. That and i need to buy some new hoses for the auto tranny fluid lines.

So what should i do about my gas tank? Should i drain it and put new gas in it? That would suck considering i just put 10 dollars worth of gas in it right before it stalled on me for good hehe. Or maybe i should just put a couple of bottles of dry gas in there. Maybe some injector cleaner too. Oh yeah, i almost forgot to mention: my dad also pulled the spark plugs out (which were brand new, maybe only had about 200 miles on them give or take), and the plugs were very fouled up. So he replaced those for me as well. Forgot to mention that. So now i have to figure out how the plugs got so fouled up. But then again, the sludge in my gas tank suggestion could have caused that too i bet.

Thanks for your input guys. I swear, half the time i post problems on here i should have thought of the answers myself, but i dont think i ever would have thought of something that simple, i always assume its mechanical or electrical, hehe. Thanks man.

ElmerFudd · 03-30-2005, 10:37 AM

First three things always when having engine problems. It needs fuel, air, and fire. Try to think inside the box :P

mnm · 03-30-2005, 01:54 PM

Did I miss the part where you checked the fuel filter? My old 89 acted like that. It would get enough fuel to idle but not under a load....

jarrodH · 03-30-2005, 02:10 PM

well, the fuel filter is brand new also, thats why i didnt think to check it. But i guess it is still possible. I think i am going to drain the tank, try to clean it out, put some new fuel and fuel injector cleaner in it and then change the fuel filter again and try to run it. I believe it is the fuel that it giving me the problem. It has spark and air.

psycopanther · 10-22-2005, 07:45 PM

dont know about the transmission and oil thing. but just a thought.. check you intake hose. the one that attaches to the throttle body. my truck was doing the same thing with the idling and all and it was because that house had dry rotted and was leaking air. might not have anything to do with you, but worth a shot.

99mustang232 · 10-24-2005, 11:45 AM

how is the pcv valve? bad timing can foul the plugs

hank1313 · 10-29-2005, 08:53 AM

I owned a 1992 4x4 access cab, great truck sold it at 180,000, long story short i had the same type problem, toyoe deaslership repleced the fuel pump, but that was not the problem...it was a fuse in the fuse box in the engine compartment casuing the truck the problem it had burned out.
What happen to me. I would come to a stop and suddenly the truck would cut off, filannly learn to shift to netural when it acted like it was going to cut off, I would give it some gas to keep it runnnig...crazy!...spent like $800 looking for the problem turned out to be a $20 fuse!!!!!....take it to someone you feel confident in working on the truck, toyota ate me up it replacing this and that...it was trail and error with them.

fast68 · 11-06-2005, 11:39 AM

which fuse ?

mine was starting to do something similar just before it started running like total crap out of the blue for a few seconds now and then(lower rpm coming to stops and such) and then later on three cylinders permanently,

dying sputtering when put into gear sounds liek vacuum leak, hmm..

good luck

Hurleyguy · 11-08-2005, 12:08 PM

jarrodH

Look at the wires going to the fuel pump. I just got a 92 4x4 and it was having the problem. We were looking at the pump and found that my power wire going to the pump was all screwed up, it wasn't even making a connection. So check that.

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