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Author Topic: 3.0 idled to 2000 rpm on startup and died when put into reverse.  (Read 1597 times)

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PeterPaul383

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3.0 idled to 2000 rpm on startup and died when put into reverse.
« on: Oct 09, 2018, 07:43:18 AM »
Title says it all, anyone know what that could be? Thanks!
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Snowtoy

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Re: 3.0 idled to 2000 rpm on startup and died when put into reverse.
« Reply #1 on: Oct 09, 2018, 09:04:33 AM »
Can you check for ecm codes?

Low idle could be the Mass Air Flow sensor.

Stall after starting could be the coolant temp sensor.

Will it fire up?
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'90 black X-cab mod'd 3.0, 33's/4.88's, rear ARB, custom bumpers, sliders, safari rack, etc.
'91 Blue X-cab 22re, 35's/5.29's,Truetrac front, ARB rear, dual cases, and custom Safari flatbed, bumper, interior.
The money pit '87 Supra resto/mod

PeterPaul383 [OP]

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Re: 3.0 idled to 2000 rpm on startup and died when put into reverse.
« Reply #2 on: Oct 09, 2018, 10:12:45 AM »
It started up and ran just fine the next day, I was just wondering what it could be. I just got it a week ago.
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Dingman.

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Re: 3.0 idled to 2000 rpm on startup and died when put into reverse.
« Reply #3 on: Oct 09, 2018, 11:23:31 AM »
Not sure.  Is this a manual or automatic, not sure if that matters anyways.

I would check the intake and make sure it doesnt have a loose clamp or a hole anywhere in the boots to start off.  :dunno:
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Snowtoy

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Re: 3.0 idled to 2000 rpm on startup and died when put into reverse.
« Reply #4 on: Oct 09, 2018, 11:26:56 AM »
Pull the codes when you can, may have a sensor starting to go.

If it was still cold when you went to leave, it could just be the truck, my 3.0 has always acted weird when I don't let it warm up for 5-10 minutes, and I have had it since it was new.
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'90 black X-cab mod'd 3.0, 33's/4.88's, rear ARB, custom bumpers, sliders, safari rack, etc.
'91 Blue X-cab 22re, 35's/5.29's,Truetrac front, ARB rear, dual cases, and custom Safari flatbed, bumper, interior.
The money pit '87 Supra resto/mod

PeterPaul383 [OP]

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Re: 3.0 idled to 2000 rpm on startup and died when put into reverse.
« Reply #5 on: Oct 09, 2018, 03:27:15 PM »
It's not throwing any codes. I figure I'll just try letting it warm up for longer. And it is an automatic.
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