Question about 1991 Ford Thunderbird

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Not getting gas to the injectors - 1991 Ford Thunderbird

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This mostly means that you either have a bad fuel pump relay, clogged filter or the worse of the worse a bad fuel pump. Hell you might even have the high side fuel line clogged somewhere between the filter and the engine,

Posted on Aug 01, 2009

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Check the preasure in the fuel rail may be low

Posted on Aug 01, 2009

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When you say ,,, gas goes by one injector..... this means to me that a cylinder is getting flooded with gas. If this is true.... and you know for a fact that the injectors is good.... the problem has to be electrical. The injectors have power all the time and the PCM grounds the injectors to turn them on. If in fact the injectors are good and gas is still getting into the cylinder then there can only be 2 things that cause this... one... the PCM is defective and keeping the injector on ..on that cylinder... or two... the ground wire to the injector is shorted to ground somewhere. These are the only two things that will cause the injector to stay on. Be sure the injector is good !!

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I changed the fuel pump,im getting gas to the fuel rail but none to the injectors


If gas is getting to the fuel rail, it is getting to injectors. If fuel pressure is good, probably the injector circuit is not working. With a test light you can check the injector circuit. Post back for further help. What year and make is the car?

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Getting gas to carb but no gas to injectors


check your crank sensor and ignition module. you need a crank signal for your injector, to pulse, use a noid light to check at your injector for the signal or use a scanner. also a bad fuel pressure regulator, can result in low fuel pressure. Maybe the fuse for the injectors are blown? hope this helps!!! check to see if you are getting 12 volts to injectors.

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Injectors not getting fuel


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I removed the injector and fuel regulator assembly from the motor all in one piece, and left the electrical lines attatched in an attempt to see if the injectors were working. I attempted to start the van...


Yes, if everything is still connected properly, except that the injectors are no longer seated int he valve head, then you should see little spurts of gas coming from them when the engine turns over.

Be aware though, that it might not be your fuel injectors that are the problem. You need to finish checking the rest of the car before making that assumption.

Once you know the injectors aren't firing, you need to check the fuel filter and the fuel pump to make sure the gas is getting from the tank to the injectors.

You should have a fuel filter located on the passenger side of your car near the gas tank. Follow the gas lines under the car to find it. It is good to change it anyways, but you can check to see if gas is coming from the tank to the filter by removing the rear line

** BE CAREFUL, Gasoline is EXTREMELY irritating to the eyes and skin, and it WILL come out when you remove the line from the filter***

If it is coming from the tank to the filter you don't have to check your pump. Then replace the rear gas line, and remove the front gas line going to the engine and make sure the filter spits out gas while the engine turns over as well.

If there is no gas getting to the fuel filter, you will need to check your fuel pump, which should be located inside the gas tank. You can check it by getting under the car while you have a friend turn the key to the "on" position, but not starting the car. Do this 4 to 6 times to make sure you hear a little "Click, woosh" type sound that lets you know the pump is triggering.

If you have gas coming from the tank, through the filter and it is still not coming through the injectors, then you will need to rebuild your fuel injectors.

This is not hard to do, and consists mostly of changing the little gaskets in the injectors. But be aware that there are lots of small parts and the job cannot be rushed. Also be aware that lumina fuel injection systems are very sensitive. Make sure to disconnect your battery cables before removing the injectors from the system.

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1996 jeep cherokee intermittin stalling


U have to check you injectors, if this is not the problem check your fuel filter it not getting gas and then check your gas lines, Get a compressor and blow the lines out, Look for rust and dirt.

If this don't work try checking you injectors again then check to see if your getting enough gas? Pump the gas peddle then go to the hood and see if you smell gas? if not? it your fuel pump orFuel Filter, and or lines clogged up. If your getting gas up to the front of the motor then it in your injectors? it one or all.

Apr 21, 2009 | 1996 Jeep Grand Cherokee

1 Answer

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the injector needs to be cleaned with professional fuel injector cleaner!

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94 Geo Tracker is getting gas to the throttle body but will not get gas or voltage to the injector?


dead Injector 8valve.

use a NOID lamp to see if ECU is pulsing this
injector.

http://carfix.stufftoread.com

see line that says injectors....xxxxxx

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