Question about Chevrolet Cars & Trucks

1 Answer

Why dont i have an injector pulse on my 96 2500 series chevrolet truck

Posted by on

1 Answer

  • Level 3:

    An expert who has achieved level 3 by getting 1000 points

    Superstar:

    An expert that got 20 achievements.

    All-Star:

    An expert that got 10 achievements.

    MVP:

    An expert that got 5 achievements.

  • Chevrolet Master
  • 14,585 Answers

If you power, PCM is bad. No power, fuse. Power at the fuse, none at the injectors, bad wire or fuse panel. Not sure if the 96's had security yet. If so, I would to a reset first. Key on for ten minutes, off for thirty seconds. There is a relearn also. Three times this, try to start after. Security shuts down the fuel system.

Posted on Dec 04, 2016

1 Suggested Answer

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi,
a 6ya expert can help you resolve that issue over the phone in a minute or two.
best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones).
click here to download the app (for users in the US for now) and get all the help you need.
goodluck!

Posted on Jan 02, 2017

Add Your Answer

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

1 Answer

Why do I suddenly have no injector pulse?


Is the vehicle equipped with a security system that may be tripped? If so, the injectors will shut down. The injectors are grounded by the PCM . You may have an internal Issue with it. Is the spark also shutting down when the injectors aren't working? If so, this could be a crank shaft sensor failure. Is there any diagnostic engine codes that can be retreived to possibly isolate the problem?

May 10, 2015 | 2003 Chevrolet Silverado 1500

1 Answer

Fuel injectors activated by fuel pump relay? 92 BMW 525!


The injectors have constant voltage to them with key on. It is a fused circuit. The computer internally grounds the injector ground wire to cause injector circuit on- to pulse the injector, and fuel is then sprayed out. It is a separate circuit from the pump circuit.

Jan 06, 2014 | 1992 BMW 5 Series

1 Answer

No injector pulse on start up runs if i add gas to start then i get the injectors to pulse


When you unplug all of the injectors, are you saying you have battery voltage on one side but nothing coming from the computer on the ground circuit ? 6 and 8 cyl engines are connected in series, such as odd cylinders are grounded at the same time on some models.

Jan 19, 2013 | 1991 Chevrolet Cavalier

1 Answer

No injector pulse


what vehicle? injector pulse controlled by computer. the computer recieves a pulse from crank angle sensor, or distributor pick up, etc.
then controls injector pulse. Mass air flow on some vehicles determines spray pattern

Jun 29, 2012 | 1991 Chevrolet Cavalier

1 Answer

No injector pulse


1991 this make you OBD1 . You can access a code by jumping 2 terminals together.The injector pulse is from the PCM . If you have no pulse you need to troubleshoot for spark first . If you dont have spark do spark first then injector pulse comes on. If no injector pulse check fuse in engine junction box.Use a volt meter check grounds at PCM. If all else checks out good replace PCM. You may also want to check the TPS. If this sensor short out in the WOT position you also wont get injector pulse.SO disconnect the TPS. and recheck for injector pulse

Feb 23, 2012 | 1991 Chevrolet Caprice

2 Answers

I dont have any injector pulse.


Make certain there are no blown fuses to the engine controller or ignition system. Is there spark from ignition coil when engine is cranked over? If not, test your distributer pickup coil. If the pickup coil or ignition module are not functioning, you will not have injector pulse or secondary spark.
Good luck.

Jan 09, 2011 | 1991 Chevrolet S-10

1 Answer

No gas coming out the injector and there is gas pressure to the injector?


Is there an injector pulse going to the injector?(an electrical pulse to fire the injector).
Is there spark at the plugs?
If the pickup in the dist is faulty you won't have either one.
If your vehicle uses a crank pickup with or instead of dist pick up....if it is defective ....no pulse.
The above is 90% cause of no pulse....other is computer problem 10%.
If you do have a injector pulse and no spray.....and have fuel pressure....change the injector.
A quick check for spark is spray a little starting fluid in it.....if it starts on the fluid....spark is present.

Nov 03, 2009 | 1997 Chevrolet Blazer

1 Answer

1985 corvette. I had the valve guide seals replaced and lifters adjusted, car was running fine before. When completed the left side injectors were not pulsing as well as the right side and the left side...


you mean exhaust manifold?? how do you know its an injector problem???? how did you check this?? they either pulse or they dont......recheck all the work that was done.

Sep 25, 2009 | 1985 Chevrolet Corvette

1 Answer

1995 FORD EXPLORER 4X4 6 CYL 4 DOOR WONT START


Fords have inertia fuel cut off switch. You need to check that first. If you dont have fuel. If you have fuel and no spark you need to check for inj pulse to injector. Make sure no fuses are blown. If no spark and no injector pulse then replace cranksensor.

Dec 17, 2008 | 1998 Chevrolet Cavalier

Not finding what you are looking for?
Cars & Trucks Logo

Related Topics:

15 people viewed this question

Ask a Question

Usually answered in minutes!

Top Chevrolet Experts

yadayada
yadayada

Level 3 Expert

75817 Answers

Colin Stickland
Colin Stickland

Level 3 Expert

22156 Answers

Jeff Turcotte
Jeff Turcotte

Level 3 Expert

8180 Answers

Are you a Chevrolet Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...