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1994 Toyota 4 Runner

Tiny
ROPO
  • MEMBER
  • 1994 TOYOTA 4RUNNER
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 277,000 MILES
I have a 94 toyota 4 runner and when it reaches running temp it starts to idle ruff and eventually stalls out and wont start again till it cools for a while. I thought coil so I changed it with no change any ideas.
Friday, December 3rd, 2010 AT 4:31 PM

11 Replies

Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
When it could not start after stalling, did you test what was missing?
Fuel or ignition sparks?
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Friday, December 3rd, 2010 AT 5:56 PM
Tiny
ROPO
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  • 8 POSTS
Ya it seems to have both.
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Friday, December 3rd, 2010 AT 6:08 PM
Tiny
KHLOW2008
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If both are present, then you need to chack if the sparks are strong and fuel pressure is sufficient. Excessive fuel getting to the cylinders could result in flooding. Remove a spark plug and check if it is sooty.
Check for trouble codes stored in engine computer.
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Friday, December 3rd, 2010 AT 6:30 PM
Tiny
ROPO
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There are no trouble codes and I will check the plugs. Could the relay behind the glovebox be the problem?
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Friday, December 3rd, 2010 AT 6:38 PM
Tiny
KHLOW2008
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We need to determine what is missing causing the non starting. It could be anything from ignition coil or sensors to engine computer.
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Saturday, December 4th, 2010 AT 12:08 PM
Tiny
ROPO
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  • 8 POSTS
Well I changed the computer the fuel relay coil and repaired some wires that were a little ify and got it running again but now it runs smothly for a little then when it gets to operating temp it statrs to gallop in idle.
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Saturday, December 4th, 2010 AT 4:54 PM
Tiny
KHLOW2008
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Is the MIL indicating?

Check the coolant level and idle speed adjustment.
Check for vacuum leakages.
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Saturday, December 4th, 2010 AT 6:10 PM
Tiny
ROPO
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What do you meen by MIL indicating?
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Saturday, December 4th, 2010 AT 7:07 PM
Tiny
KHLOW2008
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MIL = Malfunction Indicator Lamp = Check Engine Lamp.
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Sunday, December 5th, 2010 AT 3:19 AM
Tiny
ROPO
  • MEMBER
  • 8 POSTS
Well been a week and still no fix runs good for about 10min nice and smothe then it all starts again. It starts to to gallop as if it is missing smooths out a bit under idle but only runs for about 5 min and dies out and wont start again till it cools right off
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Saturday, December 18th, 2010 AT 5:28 PM
Tiny
KHLOW2008
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Check the Mass Air Flow.
Have the compression and valve clearances checked.

When it could not be started after stalling, does starting fluid works?

Did you try to retrieve for trouble codes?
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Sunday, December 19th, 2010 AT 4:08 AM

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