Tied to solve problem why 1996 chevy Blazer won't start
I replaced a fuel pump relay fuse. when key is on the "on" position I can't hear the pump running and blazer still won't turn over.Why? Is it thefuel pump in the gas tank? also have a raio installed wrong that shuts off by it self, can this bethe cause of my fuel pump problem? email me @ firstname.lastname@example.org.
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Re: tied to solve problem why 1996 chevy Blazer won't...
They should be on seperate circuits. Tyour key on and ck to see if you have any fuel flow. Fuel pumps in tanks do **** out. chk to see if you have any fuel flow by loosening a fluel line. No fuel, no pump. good luck
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I had a 1997 s10 4*4 with the 2.8 v6.
mine do that I had to pull the gas tank replace fuel filter plus had to take undo the line from the intake and blow air thru it. Make sure all u're filter are replaced and y u have the tank down replace the fuel pump. I hope this helps u
you must be getting fuel, remove fuel line @ engine, have someone crank the engine, then you'll know, NO SMOKING ! if no fuel, check fuel pump relay ! check all fuses . pump should hum for only 2 seconds, when key is turned to ON position. to prime the system. always check all ground wires to fuel system. important ! good luck
These trucks are famous for this. First start by checking the fuel pump fuse & relay their is 2 one is located in engine compartment and one in the fuse panel inside the car car. The relay is located in the glove compartment if this is all good go under the car by the fuel tank and have someone turn the key to the start position but not crank it you should hear a slight humming noise if you do not check wiring connections to fuel pump if wires are all good check for power by the fuel pump connection plug make sure you have power there, you will only have power their for a few seconds. If it starts you will have constant power but only if it starts. If you have power and no humming noise your going to need to replace your fuel pump. Its in the tank $1000.00 at the dealer to have it replaced and its about $400.00 for aftermarket one to have it replaced unless you can do it yourself.
Pumo cost about $$200-$300 for the after market part.
Assuming you have everything reinstalled correctly and the fuel pump was your problem to start with, try disconnecting the battery for at least 15 minutes to reset the computer. This worked on my 1996 Blazer.
Ford had a shut off switch only. It is a saftey design Fors had for decades and no other Car maker has this option as of yet
Yours will have a fuel pump fuse, a relay to the pump. an oil sensor that is runs the fuel pump only upon starting up the engine and shuts off upon when the engine reaches normal oil pressure. When the sensor shuts off the fuel pump relay takes over until the engine is shut off. When you turn the key to the on position you will hear the fuel pump working inside the fuel tank. No need to turn the key to the start position only to the on position. If the pump is not working you have either a bad fuel pump or a oil pressure sensor. If you do hear it pumping for 5 seconds the engine should fire and die out telling you the relay or pump is bad
It should be in the fuse relay center under the hood. Left side by the battery. The relay positions and applications are printed on the inner side of the lid. There are multiple configurations of the relay center specific to the options the vehicle has.
It's nearly impossible to tell you which one it is, as per the multiple configurations. However, many of the relay's are the same. If you're able locate the one for the fuel pump by looking at the lid. Check the number's printed on it. There's a very good possibility you may be able to switch it with one, of the same numbers, that power's...say...the power seats. Or something similar not detrimental to the operation of the vehicle.
It's also another way to rule in, or out a bad fuel pump.
As for me an uncomfortable ride to pick up another relay is far more better than a comfortable walk.
Kindly get back to me with a kind word is all works out well.
Its in the fuse panel under the hood the cover will tell you where it's located.You also may need to replace the crankshaft speed senser,if it's gone the relay won't work.If you listen and hear no fuel pump running when the key is first turn on then it may be a relay issue or the wireing to the fuel pump.
This could be many problems. But here is one to try. Turn your key on and make sure your fuel pump runs for 3 seconds. It will hum then quit. If you do not hear the pump running with the key turned on, replace fuel pump relay. This may solve your problem.
Check the fuse under the dash. Did you replace the inline fuel filter? If not, you could loosen the line going into the filter then turn the key to the on position. The pump should run for about 2 seconds then the relay should kick off. Turn off the key for approx. 5 seconds then cycle key back on and the pump should cycle again. If you get a 2 second burst of fuel each time then the pump is cycling. Install a new fuel filter and check the grounded wire by the tank. Hope this helps. :)