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86 4runner

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Need engine help
« on: Jul 20, 2009, 04:05:21 PM »
Ok, so i rebuilt my 22re and it ran great. Changed the oil and it dumped out a little of what I now know to be gas. Originally i thought it was just some left over water from when i had it hot tanked. So it still ran great but then it started to bog out a little and if i turned it off and turned it back on it had a hard time starting. I let it sit for a couple days then drained some of the oil and it dumped out a quart of gas before any oil came out. So i figured i had a faulty injector.

Bought 4 new fuel injectors, put them in yesterday and now it runs like crap. Its missing, and has no power. Its firing on all 4 cylinders. checked the spark plugs and there all good. timing is good. compression checked it and cylinders 1,2,3 are at 175 and cylinder 4 is at 180.

I have no idea what the problem is so i could use any advise you guys have.

Thanks
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Joey88RUNR

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Re: Need engine help
« Reply #1 on: Jul 20, 2009, 05:50:36 PM »
I would make sure all your vacuum lines are hooked up
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86 4runner [OP]

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Re: Need engine help
« Reply #2 on: Jul 21, 2009, 10:28:48 AM »
Quote from: Joeyotaman on Jul 20, 2009, 05:50:36 PM
I would make sure all your vacuum lines are hooked up

That was the first thing I checked. They're all hooked up
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David

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Re: Need engine help
« Reply #3 on: Jul 21, 2009, 07:55:56 PM »
May not be relevant but, my 83 had the same problem some years ago and it turned out to be the fuel pump leaking gas into the crankcase.
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hilux-1983

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Re: Need engine help
« Reply #4 on: Jul 21, 2009, 07:58:09 PM »
Quote from: David on Jul 21, 2009, 07:55:56 PM
May not be relevant but, my 83 had the same problem some years ago and it turned out to be the fuel pump leaking gas into the crankcase.

Your on to something David
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79coyotefrg

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Re: Need engine help
« Reply #5 on: Jul 21, 2009, 08:09:58 PM »
Quote from: David on Jul 21, 2009, 07:55:56 PM
May not be relevant but, my 83 had the same problem some years ago and it turned out to be the fuel pump leaking gas into the crankcase.
Quote from: hilux-1983 on Jul 21, 2009, 07:58:09 PM
Your on to something David
nope, sorry his problem cant be the fuel pump since its in the tank, he has a 22RE

Quote from: 86 4runner on Jul 20, 2009, 04:05:21 PM
Ok, so i rebuilt my 22re and it ran great. Changed the oil and it dumped out a little of what I now know to be gas. Originally i thought it was just some left over water from when i had it hot tanked. So it still ran great but then it started to bog out a little and if i turned it off and turned it back on it had a hard time starting. I let it sit for a couple days then drained some of the oil and it dumped out a quart of gas before any oil came out. So i figured i had a faulty injector.

Bought 4 new fuel injectors, put them in yesterday and now it runs like crap. Its missing, and has no power. Its firing on all 4 cylinders. checked the spark plugs and there all good. timing is good. compression checked it and cylinders 1,2,3 are at 175 and cylinder 4 is at 180.

I have no idea what the problem is so i could use any advise you guys have.

Thanks
sounds like maybe the cold start injector is stuck open, its washing the cylinders with gas,   if you dont find the "leak"  it WILL burn the bottom end up
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jimbo74

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Re: Need engine help
« Reply #6 on: Jul 21, 2009, 08:18:38 PM »
sure its gas and not oil?

water would come out before oil would if you pulled the drain plug.... i know this from when i pressure washed my old block
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hilux-1983

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Re: Need engine help
« Reply #7 on: Jul 21, 2009, 08:26:09 PM »
Quote from: jimbo74 on Jul 21, 2009, 08:18:38 PM
sure its gas and not oil?

water would come out before oil would if you pulled the drain plug.... i know this from when i pressure washed my old block

You should be in bed getting ready for your big day tomorrow:)
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jimbo74

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Re: Need engine help
« Reply #8 on: Jul 21, 2009, 08:27:29 PM »
Quote from: hilux-1983 on Jul 21, 2009, 08:26:09 PM
You should be in bed getting ready for your big day tomorrow:)

haha, big day was today :P its all good, after the feasting and liek 10 pounds i gained today, its 20:30, and im going to bed :)
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Toymin8r

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Re: Need engine help
« Reply #9 on: Jul 21, 2009, 08:27:46 PM »
Make sure your getting proper ventilation through the PCV valve.

The misfireing can cause the raw gas to be pushed into the crankcase too.  Like Glen said, it will damage the motor is you don't resolve the issue.
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AND SHOULD, USE THE WD-40. IF IT SHOULDN'T MOVE AND DOES, USE THE DUCT TAPE.

IF YOU CAN'T FIX IT WITH A HAMMER, YOU HAVE AN ELECTRICAL PROBLEM.


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86 4runner [OP]

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Re: Need engine help
« Reply #10 on: Jul 22, 2009, 09:36:39 AM »
Quote from: 79coyotefrg on Jul 21, 2009, 08:09:58 PM
sounds like maybe the cold start injector is stuck open, its washing the cylinders with gas,   if you dont find the "leak"  it WILL burn the bottom end up

Thats what I checked first. I forgot to say that before, but yeah its turning off when its warm.

Quote from: jimbo74 on Jul 21, 2009, 08:18:38 PM
sure its gas and not oil?

water would come out before oil would if you pulled the drain plug.... i know this from when i pressure washed my old block

Its not water. Its gas for sure.
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1985SR5

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Re: Need engine help
« Reply #11 on: Jul 22, 2009, 07:35:49 PM »
Is your cold start injector leaking a little? I don't know if it would make a difference, just a thought!
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1985SR5

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Re: Need engine help
« Reply #12 on: Jul 22, 2009, 07:39:19 PM »
Is your cold start injector leaking a little? I don't know if it would make a difference, just a thought!
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1985SR5

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Re: Need engine help
« Reply #13 on: Jul 22, 2009, 07:41:26 PM »
oopps sorry for the double post, and you already checked the injector
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