How to test a no spark no start condition?

How To Test A Misfire / No Spark No Start Condition (at: easyautodiagnostics.com ). How To Test The Crank Sensor (GM 4.3L, 5.0L, 5.7L). How To Test The Camshaft Position Sensor Diagnostic Trouble Codes: P0340, P0341.

Why did my Astro van have no start?

How to Troubleshoot No Start in a 2001 Chevy Astro Van. The three most common causes of a no-start condition in your 2001 Chevy Astro van are starting/charging system failure, ignition system failure and fuel system failure.

What are the problems with no crank no start?

In addition to the no crank, no start you may also encounter an intermittent security light on condition, a “no remote fob detected” condition or a “poor or no remote keyless entry range” condition. GM states that you may encounter any of these issues.

How to test the no start ignition system?

Testing the distributor cap, the ignition coil to distributor cap high tension wire, the ignition coil, the ICM, and the crank sensor can by done by the do it yourself-er (DIY’er) and the following tutorials will help you test the ignition system: How To Test A Misfire / No Spark No Start Condition (at: easyautodiagnostics.com ).

How to troubleshoot a GM 4.3L no start?

Check that the 8 cylinders are getting spark with a spark tester. The distributor cap is good. The ignition coil is good. The ignition control module is good. The crankshaft position sensor is good. The distributor cap could be bad. The ignition coil to distributor cap high tension wire could be bad. The ignition coil could be bad.

Why is my distributor not working on my Vortec 4300?

And the distributor sits in a high-heat part of the engine with poor air circulation or cooling. The cap is prone to warping from the heat, which results in the cap rubbing against the distributor rotor button. This causes the rotor bushing to wear out and the distributor begins to no longer be able to turn.

What’s the difference between no start and no crank?

It’s important to know that a no crank and a no start condition are not the same thing since this article only concentrates on testing a no start condition. In layman’s terms, a No Start Condition means that your vehicle’s starter motor is cranking the engine but the engine is not starting.

What does it mean when your car says no start?

A No Crank Condition means that the engine is not turning over when you turn the key to crank the engine. The most common problem, that causes this condition is a failed starter motor. If your vehicle is suffering a No Crank Condition, this tutorial may be a good starting point: How To Test The Starter Motor (GM 4.3L, 5.0L, 5.7L).

How to know if your engine has no spark?

First Confirm Your Engine Has No Spark. 1 Disable the fuel system by removing the fuel pump fuse or relay. 2 Insert a spark plug tester into the plug boot and ground it on a piece of metal on the engine. 3 Finally, Have someone crank the engine and watch for spark.

Why does my car not start when I crank the engine?

The crankshaft position (CKP) sensor monitors the position or rotational speed of the crankshaft. If the crankshaft position sensor has failed completely, and isn’t sending a signal to the (ECU) at all, then the computer won’t send any fuel to the injectors. This will leave you unable to start the car.

What causes a car to stall with no spark?

Consequently, An old or failing ignition pickup may cut out signal intermittently, which may cause the engine to stall. The engine may suddenly just shut off, almost as if the key had been turned off. Depending on the nature of the issue, sometimes the vehicle can be restarted and driven.

Why does my car have no spark when I start it?

As a result, This occurs after the ignition coil or module gets too hot. Furthermore, it could correct itself after the engine module cools. In some cases, a bad ignition coil will result in the vehicle not starting it all. A Bad Rotor Or Distributor Cap (cracks or carbon tracks that are allowing the spark to short to ground).

How can I tell if my engine has spark?

The idea behind checking for spark (with a spark tester) is to see if all of the 8 engine cylinders are getting spark. Check that the 8 cylinders are getting spark with a spark tester.

How to diagnose no spark GM 3.8L?

For a list of all of the 3.8L articles in this site, check out the index: GM 3.8L Index Of Articles. You can find this tutorial in Spanish here: Cómo Probar El Módulo de Encendido y Sensor del Cigüeñal GM 3.8L (at: autotecnico-online.com ). Here is a little background information to help you diagnose this no spark condition.

How to troubleshoot a no start GM 4.3L pick up?

Testing a Cranks but Does Not Start condition on your GM 4.3L, 5.0L, 5.7L pick up, van or SUV is not that hard to do, if you have a solid diagnostic strategy. In this article I’ll show you the basics of testing such a problem.

What makes a 1997 GMC C2500 no start?

1997 GMC C1500, C2500, C3500 Pick Up. 1997 GMC K1500, K2500, K3500 Pick Up. All of the information you need to diagnose a misfire or a no-start problem (caused by the ignition coil, the ignition module, or the crankshaft position sensor).

How to test no spark no start test?

No spark from all of the Coil-On-Plug Ignition Coils. No fuel injector pulses from the fuel injector connectors as tested using a Noid Light. P0335: No Crank Sensor Signal Detected. P0336: Inconsistent Crank Sensor Signal Detected.

What causes a GM pick up to not start?

The one symptom that’s gonna’ be staring you right in the face is your GM pick up or van or SUV cranking but not starting. More specifically, you’ll see one or all of the following symptoms when the crank sensor fails: No spark from all of the Coil-On-Plug Ignition Coils.

What kind of problem does a 1997 GMC pick up have?

1997 GMC K1500, K2500, K3500 Pick Up. All of the information you need to diagnose a misfire or a no-start problem (caused by the ignition coil, the ignition module, or the crankshaft position sensor). Wiring diagrams.

How to test a no spark no start condition?