Drowned 4Runner won't run
#1
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Drowned 4Runner won't run
I drowned my 1990 3VZE v6 4Runner last weekend and now it won't run.
I removed and dried out all air intake components.
I changed the oil (had water in it).
I disconnected the exhaust from the cat and drained it ( a lot of water came out).
I drained the fuel tank and the fuel filter and refilled with clean fuel.
I ran a diagnostics check and no red flags. I checked the ohms on the air flow meter and it is within specs.
It starts, but dies out within seconds.
I know I need to change the diff and transfer fluids still, but what next?
Anyone have pointers on how to get it going again?
I removed and dried out all air intake components.
I changed the oil (had water in it).
I disconnected the exhaust from the cat and drained it ( a lot of water came out).
I drained the fuel tank and the fuel filter and refilled with clean fuel.
I ran a diagnostics check and no red flags. I checked the ohms on the air flow meter and it is within specs.
It starts, but dies out within seconds.
I know I need to change the diff and transfer fluids still, but what next?
Anyone have pointers on how to get it going again?
#4
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If there are leaks in the intake hose your motor won't want to run.
When it does run for a few seconds, how does it sound?
A start then stall really leads to a bad AFM, but if you tested it and its fine.....
When it does run for a few seconds, how does it sound?
A start then stall really leads to a bad AFM, but if you tested it and its fine.....
#7
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Double what scuba said you remove the pluggs crank the starter and watch the water come out through the plug holes when the piston moves upward. after i would replace the pluggs with new ones, change the oil again and add maybe a fuel water remover such as Heat. anyway should run better since it isnt running. I helped a buddy with his 91 pickup. principals are the same
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#8
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Yep.
Good advice though.
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distributer?
(if there was water in the cylander you might bend a valve), first step when flooded should always be pull the plugs and get the water out. do you have the ability to check compression? did you try and start it right after wards?
i pulled a brand new gran cherokee out of a lake a couple months ago cause the guy tried to floor it to get out of the lake and im pretty sure he fubared his motor but his didn't even turn over.
is there a story that you care to share about how? not needed and if i did id prolly keep it a secret but stories are fun
(if there was water in the cylander you might bend a valve), first step when flooded should always be pull the plugs and get the water out. do you have the ability to check compression? did you try and start it right after wards?
i pulled a brand new gran cherokee out of a lake a couple months ago cause the guy tried to floor it to get out of the lake and im pretty sure he fubared his motor but his didn't even turn over.
is there a story that you care to share about how? not needed and if i did id prolly keep it a secret but stories are fun
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Last time I did this (which was fairly recent) undoing the exhaust bolts is not enough. When she stalls out under water the exhaust becomes a vacuum, pull it off from the cat back and run a garden hose through it. You'll be amazed at what comes out of there, when you drain the water a large amount of dirt stays behind and it doesn't take much to clog a cat. The first time I drowned mine I was lucky that nothing made it to the cylinders but I had to take a screw driver and hammer to the cat and muffler just to get it off the trail and home.
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Double check the VAFM ,dirt will stop the vane from moving freely.If it dont move freely the engine will not run!Also take the top plastic cover off the VAFM it may have water in there.
Bigblock
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VAFM highly suspect
After reading a little more on the Vane Air Flow Meter, it sounds like this may be the culprit as the engine dies out after a few seconds.
I have dried it all out but I don't see how to open it up and check for debris. I looks solid with a sealed cap on top. I may hit the junk yard at first chance and hunt one down.
Also, I will rinse out the exhaust and scope out the debris.
Thanks all.
#17
Dude, do a compression check. I killed mine earlier this summer and bent a valve. Had 40psi in one cyl. Although it took a while to start mine did. Starting fluid helps. Also re-check your wiring. Like an idiot I forgot to plug in my VAFM and wondered why it wouldn't start.
Good luck.
Good luck.
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Hallelujah vafm
Does anyone know if the air flow meter needs tuning from truck to truck?
Now I can check the compression.
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