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Oh! how do I get the injectors out of a tbi for 94 5.7l gm.

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My 1993 Geo tracker fuel systen is not working, the injector is not spraying. now it is sprayin on the inside of the carborator and filling the carborator up.. how do i fix this problem//


there is no CARB on this car.
that must be the throttle body engine, TBI EFI.
1 injector engine not the 4 MPI engine.
G16a is TBI G1b is TBI and both sold day 1 , new.
its is supposed to spray, but you forgot to say when.
just key on over and over not running, (not spray is correct)
it sprays cranking and running,, that be its job1.

lets say it sprays key one.
That means:
1: injector leaks.
2: injector - o-rings are bad. (cracked)
3: ECU injector drivers shorted (bad ECU)
you can look at the inject on this car, air pipe off TBI horn.
see if the seals leak or injector tip leaks ?
if the injector actually leaks.
unplug the injector connector (4pin plug)
leak now.
yes, injector is bad or just o-rings
no, the ECU is bad. (common on this car)
i can even tell you which transistors are bad.... etc.....ask.

both engines covered here.
http://www.fixkick.com/INJECTORS/injectors.html

Dec 09, 2015 | 1993 Geo Tracker

2 Answers

Fuel Injector keeps spraying after engine start.


yes, that is how the engine keeps running.

Mar 14, 2015 | 1992 Geo Tracker

1 Answer

Where is the fuel rail located on a 1995 geo prizm ?


ok a joke, cant resist: sorry,,,, keep a smile!
under the hood?
above the 4 injectors? LOL im still joking but is true.
My best PRIZM post yet (working up to better soon)
now the straight skinny? no joking..
this Toyota in sheep's clothing has more than one engine option.
infact 2, (wiki, the Geo prizm and see that ) see gen 2.
the one time, there is no rail is if the car has TBI
throttle body injection, (ours is not)
if in USA and not Canada.? you never said,
EPA force (USA) the 1.8L the 7A-FE (toy engine)
I think this is a 4 injector MPI engine. Not TBI, see link.

I do not know what GM (Geo) changed on that 7A motor.
about 1995 all TBI was banned here. (dirty smog)
(did geo run custom ECU's , i think not, but may run custom tuning "ecu tables") i metion all this for when buying used parts.
Toy<>Geo
so how to tell?
open hood, see intake manifold
see those runners, see them go to the head?
just before those runners contact the head,are INJECTORS x4
and above the injectors is the common rail.

if Geo works out like most of my experience with them.
they used all the toy parts, engine and EFI. and ECU.
so studying this would help.

wiki quote.
In the United States, the 7A-FE's most common application was in the 1993-1997 Corolla (7th generation).

google image seach nets.
http://www.toyoland.com/images/7A-FE.gif

see right view> see upper left side of engine
see that black air path. just end of tunnel, is the injector x4
and rail above that.
alldata dot com has all this.
free , try here.
heck even post. Gen2 GEO = Gen 7 toy
http://www.toyotanation.com/forum/133-corolla-forum/

Oct 14, 2012 | 1995 Geo Prizm

1 Answer

Fuel injectors arn't getting power to them


have the ecm checked and wires to the injector if not the cause have you replace injectors gm's tbi have lot of problems with them

Aug 09, 2012 | 1998 Chevrolet K1500

3 Answers

Cdc 5.7vortex fuel injection 96 tahoe when u start it service eng light comes on after about ten seconds itstarts flashing its got a pretty good miss to it hook the box to the plug under dash it said num 4...


If you know that cylinder number 4 is missing and you have replaced everything that you said you have then there can only be one other factor that needs to get fixed... FUEL INJECTOR!!!!

Feb 06, 2011 | Chevrolet Tahoe Cars & Trucks

1 Answer

How to remove fuel injector for s10 blazer 1993


It it is TBI (you can see the injector once air cleaner removed) use a torx socket and remove upper plate to TBI unit. If you cannot see the injector it is CPI. Must remove upper intake to access injector.

Nov 13, 2009 | 1993 Chevrolet S-10 Blazer

1 Answer

1987 chevy s10 fuel injector problem. Install new fuel injector but fuel comes out steady causing engine to idle high and bog down when i step on the gas pedal. i have previously replace swapped ecm and...


Check the fuel pressure at the shredder valve, you should have 13 to 13.5psi, anything other then that will give you problems in the GM TBI. If the pressure is bad, then you may have to replace the fuel pressure regulator at the bottom of the TB. 
Good luck and keep me posted. 

Jul 22, 2009 | 1987 Chevrolet S-10 Pickup

2 Answers

GM TBI low voltage at the injectors


sounds like a computer issue on the burb, but i would check the IAC(idle air control) valve and the TPS(throttle position sensor) first.
I would start with the IAC on the 93'.

May 29, 2009 | 1993 Chevrolet C1500

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