Question about 1992 GMC Sierra K1500

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92 chevy p/u injectors not spraying new fuel pump filter and injectors fuel to throttle body but not pulsing

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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jagjeffery
  • 318 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

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  • 834 Answers

SOURCE: Truck will turn over but not start. Checked fuel

The ignition module located inside of the distributor is what generates the signal that the ECM (Engine Control Module) uses to time and fire the fuel injectors, as well as the signal to run the fuel pump and the dwell signal timing to fire the ignition coil. A faulty ignition module can cause any one of these systems to malfunction.

That does sound like a malfunction with the ignition module inside of the distributor, and you can remove the ignition module and have it tested for free at most auto part stores.

If you do purchase a new ignition module be sure that it does come with a silicone grease or a die-electric compound because it is a heat sink and the ignition module will burn up without it.

To install the new ignition module first clean out the mounting surface inside of the distributor. Then completely coat the metal contact surface under the ignition module with a thick coat the silicone grease or die-electric compound and do not leave any of the metal contact surface of the ignition module un-coated with the silicone grease or die-electric compound, and be very careful not to over-tighten the ignition module or it will be damaged.

Posted on Jun 22, 2010

  • 314 Answers

SOURCE: 2002 chevy Blazer hard starting

This sounds like the fuel pump is shot. The pump has a 'dead' spot and when the engine is started by using 'nasty' starting fluid it will go to the running mode and run fine. Never use starting fluid!!! A bit of gas is best, just use common sence. Frankster016

Posted on Nov 26, 2008

  • 580 Answers

SOURCE: 92 chevy 1500 5.7 tbi starts and dies. replaced

Try using a good fuel line/injector cleaner Seafoam is a good one. If this does not help you may have tone or more clogged injectors. Clean these out and you should be good to go. tTo see Seafoam in action goto you tube type Seafoam into the search box.

Posted on Jul 08, 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

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2 Answers

07 chevy cobalt 2.2L no injectors pulse!the fuel pump works fine!when I spray starter fluid inside the throttle body & than the want to start...NEED HELP PLEASE!!! LIKE A.S.A.P


Hi,

I would check n replace the fuel filter if needed. Also, it could be one of the spark plugs. Was it running before? Can you think of anything that happened or changed recently?

Aug 08, 2016 | Cars & Trucks

1 Answer

I have an 1987 Chevy with throttle body fuel enjection I have a new fuel pump and new fuel filter I have fuel coming up at the throttle body when I crack the lines but the injectors arnt spraying fuel


I suggest changing the pickup in the distributor. This is what fires the injectors. If you have a noid light you can check for pulse at the injector, but my guess is there is nothing signaling the injector to fire.

Feb 10, 2016 | Cars & Trucks

1 Answer

93 chevy cheyenne acks as if its out of fuel, or not getting fuel i've replaced fuel pump and filter, checked the jets whats next?


Does it try to start if you spray starting fluid into the throttle body ?
Are you getting power and ground pulse to the injectors ?

Dec 10, 2015 | Cars & Trucks

2 Answers

91 chevy 1500 p u the tbi is not spraying fuel out the 2 injectors spray starting fluid in the throttle body and it will start


Check all engine grounds as the ECU relies on the control unit to find a ground and pulse the injectors. Also check the crankshaft sensor to make sure its pulsing when rotated. It should produce a 5 volt reference as it moves. Also check that you have fuel pressure as the pump also relies on a good ground to power up. Everything is controlled from the ECU.

May 06, 2014 | Cars & Trucks

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92 Camero SOMETIMES wont start, backfires or starts rough - but will run fine after it DOES start


I would want to know if it is ignition or fuel for sure. There are a few things you can try to narrow down the possible cause.
What does the cap and rotor look like, and is the spark a strong blue when it is running rough ?
Have you checked the actual fuel pressure with a gauge ? Does it matter if you spray carb cleaner or starting fluid into the throttle body ?
Any trouble codes stored in the computer ?
Its possible the coolant temp sensor is wrong and the computer thinks the air temp is 90 degrees instead of say 20 degrees. Or there is moisture in the dist cap or on the plug wires, and so on.

Feb 10, 2014 | Cars & Trucks

1 Answer

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 ?

Apr 23, 2013 | 1997 Chevrolet K1500

1 Answer

I have a 92 chevy c1500,new fuel pump and filter but truck is hard 2 start.if i pour gas in throttle body bowl it starts right up. what could b the problem?


Sounds like the injector is not supplying the proper amount of fuel. Try unpluging the TPS first and then the IAC motor, both located on the trottle body.

Aug 30, 2011 | 1992 Chevrolet C1500

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