Question about 1991 Toyota 4Runner

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Will run for a few seconds but then it stops

I have a 1991/ 7 4 runner and it does start but it stops after a few seconds it runs on gas and petrol 3.o efi v6

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  • Anonymous Jan 17, 2009

    I think this is gas line freeze up or fuel filter pluggage but not sure



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Mass air flow sensor

Posted on Apr 29, 2009


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I have recently brought a Vt Commodore that won't run on petrol but runs on gas

when it is running on gas , the petrol components dry out and rubber bits crack and jam
it is also possible that the change over solenoid is not stopping the gas and opening for petrol either starving for petrol or running both fuels and flooding out
Take it to an accredited service center that works on both gas and petrol and have the problem properly diagnosed and a quote

Feb 25, 2017 | Cars & Trucks

1 Answer

1991 Dodge Ram 50 2.4 fuel pump pumps while cranking but not in ignition 1 position. Changed fuel relay. Jumper wire gets it going but believe that there's no spark either?

This is entirely normal, a fuel pump will run only for a few seconds so that it is primed. If it ran continuously without the engine running pressure would build up inside it and would probably cause damage. After if has run for a few seconds after the jey is first turned it will , basically, switch off and wait for a signal from the sensor, communicating that the engine is cranking at whick point it resumes pumping in order for the engine to start.
Remember, the spark and fuel must coincide in the combustion chamber in order for there to be ignition, if you have no spark that may be the issue.
You can check whether fuel is getting to the plugs by cranking over repeatedly and quigkly removing a plug. If the pump is supplying fuel the end of the plug may have some fuel at the tip or may smell of petrol/gas.
You have to find out why fuel and spark are not coinciding essentially, in the combustion chamber.


Jun 17, 2015 | Dodge Ram 50 Cars & Trucks

1 Answer

I have a 1991 grand am it running a little ruff when u cut on the AC it dies when u I'm park. going down the the road it don't. in park if u give it gas it don't. die. u can smell gas coming out of the...

Make sure that the idle motor is working.When you start it should run about 1200 rpm for a few seconds then go down to 600 rpm If not it may need cleaned or replaced.

Oct 29, 2014 | 1991 Pontiac Grand Am

2 Answers

2003 VW Jetta wont start after turing off motor sometimes for hours

if it uses a carburator it might be overflowting have the carb checked and the petrol flowter re- ajusted

Dec 18, 2013 | Cars & Trucks

1 Answer

My 1991 toyota 4 runner starts,but not run .

check trasmisson fluild level if it is full check to see if it ssmells burnt if it smells like onions and is brrown then the filter may be plugged and the fluid is burned so you will have to replace it. however most likely it needs to be rebuilt snd tork converter replaced. hope this helps.

Nov 10, 2009 | 1991 Toyota 4Runner

1 Answer

It won't start

if you can put fuel into the top and get it started the fuel pump is not working. Try checking the fuses and relays for the fuel system but I am pretty sure it is the pump itself.

Sep 06, 2009 | 1991 Cadillac DeVille

1 Answer

Hey, I just replaced the fuel pump and fuel filter on my 91 Saab 900s and the care turns over but does not start or it starts for a few seconds while pumping the gas and cuts off when you stop the gas....

take out your shrader valve in the fuel rail and bridge 30 and 87 on your fuel pump relay. Run the pump untill there is no more air in the lines.

Jul 18, 2009 | 1991 Saab 900

1 Answer

91 honda civic dx. Starts, runs for a few seconds then stalls

Try pounding on the gas tank with a rubber mallet or similar tool. (careful not to dent the tank) Try starting it. If it runs, replace the fuel pump (it's nfg). I've diagnosed numerous fuel pumps this way. Remember the pump needs to be replaced, if you drive it, you don't know when it'll fail for good. Hope this helps. Please post the results.

Feb 07, 2009 | 1991 Honda Civic

1 Answer

My 1991 Toyota 4-runner gas mileage decreased from 21 to 18 mpg

Sounds like you have no Torque converter lock up function. The wiring connector for T/C lockup solenoid must have been disturbed or the solenoid is bad. No lock up will make a 200 RPM difference in high gear

May 24, 2017 | 1991 Toyota Pickup

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