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What all fuel injectors will interchange with a 2.5 chevy s10 1990

I need to know what fuel injectors will work from what throttle bodies ive got a 1990 chevy s10 2.5 need to know what vehicles and engines to get a used one to try

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  • 17 Answers

This might sound like it's not much help, but I've found out that many local junk yards have cross reference systems for engines,Transmissions, and many other parts. I would try one of them. However; since the "cash for clunkers" fiasco there are fewer and fewer older models to find for parts! Peace. God bless.

Posted on Nov 27, 2014

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6ya6ya
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Posted on Jan 02, 2017

leetamara
  • 702 Answers

SOURCE: wont start

Make sure that you're getting spark. A very common thing on these engines are coils going bad. If you can verify spark, check to make sure you have an injector pulse. As you rotate the engine, look inside of the throttle body and make sure that you see fuel pulsing into the engine. You can still have good pressure but you don't have an injector pulse, the fuel still cant get into the engine. You can use a test light as well to test for an injector pulse. One wire going to the injector will have constant power and the other will blink when the engie is rolled over. Does it start if you spray starting fluid into the throttle body? If it does, it's a fuel delivery problem. Again be sure you have spark from coil to distributor and plugs. You can remove the ignition module and take it to NAPA and they have a module tester. Have them test the module several times not just once. This will eliminate the possibilites of an intermitted problem. Let me know how it does. tiqautoperformance@live.com

Posted on Aug 21, 2008

jagjeffery
  • 316 Answers

SOURCE: throttle body injectors not fiering but there is fuel pressure

the injectors are fired thru the engine cotrol module but it gets its signal to fire from the pick-up located inside the distributor if you are loosing injector pulse only the ignition module is bad if you are also loosing spark when you loose injector pulse your pick up is causing the problem if you replace the pick-up i recomend you change the ignition module when doing so because they work together and you have to remove the distributor to change the pick-up

Posted on May 31, 2009

pippall
  • 1486 Answers

SOURCE: 1987 chevy S10 engine idle problem

relace the throtle air idle valve.The temp switch will allso cause this problem.

Posted on Jul 19, 2009

  • 541 Answers

SOURCE: My 4.3 vortec engine in my s10 blazer won't start

try the ignition module. if it is bad it does not send the signal for the the throttle body injectors to spray feul.

Posted on Oct 23, 2009

  • 78 Answers

SOURCE: 1993 geo tracker fuel injector

ecm does control but is also based on input from the Throttle position senser. unplug the TPS and try again. Also make sure the ECM and engine grounds are good

Posted on Feb 21, 2010

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My 1994 chevy p/u 1500 V6 chuggs when trying to start and it never completely starts


Will it start on starting fluid sprayed into the throttle body ?
Have you checked base fuel pressure at the injectors ?

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1998 chevy blazer fuel pump is putting out 55 psi but no gas is getting to the cylinders


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I have a 1990 chevy truck k1500. getting gas to throttle body but not to engine. new fuel pump new fuel filter rebuilt throttle body. do you have any ideas


Throttle body injection? replace the injectors. First check for power to them. 12 volts from one of the wires with key on

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Hi i have a 87 chevy k5 blazer with a 305 in it and im not getting any spray out of the injectors ive replaced the fuel pump the coil,fuel system relay and still nothing im out of ideas any help would be...


It could be the ignition module. The module sends a tach signal to the computer to fire the injectors. If the module fails and doesn't send the signal, the injectors won't fire.

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1990 chevy blazer 350 ci throttle body fuel injected . the motor is flooding out u can see the injectors keep dumping fuel into the throttle body


Sounds like you have an injector leaking. Have someone just cycle the key on and off to run the fuel pump but don't crank the engine. If you see fuel dripping from the injectors, unbolt the injector cover on the throttle body, remove the injectors and replace the orings around the injectors.

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1 Answer

Throttle body is not getting any fuel but sounds like the fuel pump is working


ive got the same problem in my 87 chevy r10 from what ive read its the fuel pump i tried changing the throttle body, and the fuel injectors and it doesnt seem to be the problem im getting gas to the line but i dont think its enough pressure ill be changing the fuel pump and ill let you know.

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1 Answer

I want to put a chevy throttle body on a dodge with a 360 with a 2 barrel carb how do i do it?


First before we get started on this, we need to know if you have all the fuel management system to go with the throttle body??? (ECM, O2 sensors, cam,crankshaft sensors, and MAP sensor) and a few other that i may have missed and also the wiring harness to make it all work together to make the Throttle body work with the proper fuel injector pump.
Keep me posted and let me know and we can go through the whole picture when you have all that and we can also chat about how to tune your ECM to the engine and how we are going to keep it emission legal since it's going to be fuel injected, it's no longer exempt from emissions like the carbureted engines.
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2 Answers

1994 chevy fuel problem


The last pieces in the chain are the fuel regulator and the injectors. The regulator is inside the throttle body, but it sounds that maybe the injectors are not firing. For nothing else, check out the connections to the injectors. Possibly they are clogged. Try a few treatments of injector cleaner.

Jul 29, 2009 | 1994 Chevrolet K1500

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I have a 94 chevy s10 its leaking fuel out of what i believe to be the top of the fuel injector. I was told all that needs to be done is replace the o ring is this a difficult task.


Its not a bad job for what needs to be done. But it depends on the condition of the throttle body. I would order the seal/gasket kit for the injectors and the other kit, for the fuel pressure regulator. The reg. is on the back of the throttle body. Both areas have small torque screws holding them in place, both repairs require you to disassemble & reassemble the components evenly. Keep your work area clean, DON'T use sealants on the new gaskets, will clog injectors. If you need more info, let me know.

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