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1991 toyota 4runner 3.0 v6 starts runs 5seconds then dies will start back up for 5 seconds ata time

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  • Toyota Master
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Hi Elmer, I'm glad to help! Elmer there are a lot of things that can cause a dieing problem. FIRST, see if it will stay running if you push the gas pedal a little bit then crank it. If it runs and stays running but dies when you release the pedal then here are a few things you can check. (1) You may have an "IDLE AIR CONTROL MOTOR" sticking and is stuck in the closed position. SOMETIMES this works, take sometime and tap on the motor and if it starts idling properly replace the motor. (2) You could possibly have a "THROTTLE POSITION SENSOR" that bad and does not signal the engine controller that the engine is at idle so it dies. If you can get it to idle then tap on the TPS when its bad it will idle the engine way up while tapping on it. If it does then replace the TPS. (3) You could also have a FAULTY or DIRTY "MASS AIR FLOW SENSOR" If the vehicle has one, some do some don't. If your vehicle is equipped with one, you can take it off and try cleaning the air flow sensor inside it. If it idles properly your good to go. If it doesn't idle properly I wouldn't rule out the sensor being bad. (4) You could possibly have a vacuum leak, vacuum leaks cause all kinds of crazy problems because it confuses the engine controller. If you can get it to idle, then you can take parts cleaner and spray around the intake manifold and if it dies right away then you have a vacuum leak that needs to be repaired. (5) You could have fuel issues, BUT, if the engine runs good while driving it down the road then you can rule this one out. These are the most common problems that occur and cause dieing problems. Hope this helps and have an awesome day Elmer.

Posted on Jun 27, 2014

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Posted on Jan 02, 2017

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SOURCE: 1999 Regal GS Super charged, Starts,runs 3-5 sec and dies

i gaurantee that it is the fuel pump ressistor up on the passenger side front behind head lamp assembly you will find the connector with two wires going to it. no need to remove old one install new one and connect wires to new one leave old in. dealer only part but not expensive. dont belive dealer when they try to talk you out of it. This is a kit to relocate a ressistor that has been installed in a poor location. I promise this will fix it. My wifes car did the same thing, took 20 minutes to fix and that is only because i am an electrician and am finicky about where to locate wires etc. the kit comes with installation instructions however they are a little vague. trust me. easy fix. my dealer tried to get me to leave car for repair and said it sounds like the theft detterent system. they were wrong and i was right. dont trust em

Posted on Sep 03, 2008

JMMARRERO59
  • 77 Answers

SOURCE: 2003 Toyota 4runner dies/won't start

CHECK FUSE FOR START ASSIST RELAY

Posted on Dec 24, 2008

hotrodtod38
  • 141 Answers

SOURCE: 92 celica starts, runs, then dies?

START WITH CHANGING FUEL FILTER FIRST , NEXT THE FUEL PUMP IS POSSIBLE TOO.

Posted on Feb 13, 2009

  • 1 Answer

SOURCE: Truck starts, runs for 5-10 seconds, then dies

take out your mass airflow sensor located on air intake pipe and clean with brake cleaner also is your engine light on?

Posted on Jan 07, 2010

SOURCE: dies and wont restart. 1991 bmw 750il

You have a cam or crank sensor that has gone out.

Posted on Feb 12, 2010

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A blown fuse means there is too much current draw from the pump.
Why is the tough question.Pinched wire?
If the fuse does not blow,immediately,can you measure the current draw at the pump in put wire?

Be SURE to cycle the key on for 5 seconds,off for 2 and back on for 5 seconds 3 times! Prime the pump.
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No assumptions.
Diagnose problem.
Pinch off the fuel return line.
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Toyota's have a gas tank drain plug!!!!!!!!!
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There may be a fuel pump relay that is toast,but I suspect the filter,off hand.
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