Question about 1992 Toyota Celica
I have checked the fuel pump and it is a new filter it starts runs a few seconds then dies if i push the gas it dies even faster
Sounds to me like the fuel pump is worn out. They DO wear out. And even though they seem to be working, the brushes in the electric fuel pump may not be contacting all the commutator, thus making the pump weak. It may start the motor but can't maintain normal running pressure (27-35psi). Have you run the car out of gas shortly before this problem surfaced? If you have then it's your fuel pump. It was damaged when the tank ran dry. Even though the pump may seem to be working, it's still badly damaged and needs to be replaced.
Just as Matmenzies has stated, get a fuel pressure gauge and test the pressure. I'd start with a complete check of all your vacuum lines. Check for cracks on the vacuum hose that connects to fuel pressure regulator on the fuel rail. Also, if you can, get a hand operated vacuum pump to check the regulator. If you can place a vacuum on the regulator and it holds, I'd say move on the fuel pump and check it.
BTW, if the fuel filter has been changed, you may want to check to see if it was installed backwards! Some fuel filters are valved and will cause symptoms like this. However, this is an immediately noticeable mistake and you haven't provided enough info for me to say more. I'd pull it and check that it has any flow at all. You could have sucked in a big dirt ball and blown it right into the new filter, effectively stopping fuel flow. Then I'd blow out the fuel lines, just to be sure.
Start with these 2 things and post what you find. We'll go from there.
Posted on Jul 09, 2009
Defenitely fuel related, maybe fuel regulator on the injection rail, you see when turning over there is very little vacumme (that is what the regulators run off) once started they run soley off vacume to ajust the fuel pressure? maybe a huge vacume leak somewhere, best bet is to start with the fuel pressure, get an inline manual pressure guage and crank the engine, you should have at least 35psi fuel pressure, when it starts what hapens to the fule pressure, if it drops off at same rate car is stalling, there is your problem, if not then maybe look more towards major vacumme leak, hope i have been of some assistance
Posted on May 16, 2009
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Posted on Jan 02, 2017
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