Why does my 94 S10 Blazer not start?

Looking at the contacts in the fuse box for the fuse, the contacts on one side are shiney, while on the other side sort of a dark dull brass look, obvious color difference. So I installed a new fuse. I then tryed to start the car, and it started right up.

Why is my Blazer engine cranking but not starting?

Symptoms of a bad rotor can be a “slight miss or a mild rough idle” and if not replaced it will eventually lead to a condition where as the “Engine cranks but won’t start” 1994 blazer, 4.3 liter .

Can a bad crank sensor cause a car to not start?

In other words, your GM vehicle will crank over when you turn the key to the Start position but will not start. Below is a simple list of more specific symptoms that accompany a bad crank sensor: The ignition coil will not spark. No spark from all of the spark plug wires.

Why does my GM car say no start no crank?

How to diagnose a no start no click on GM vehicle. If you have a late model GM vehicle and turn the key only to hear nothing, you’ll most likely think you have a dead battery—and you may. But a no start, no crank, no click condition can be far more involved than that.

Can a bad crankshaft sensor cause the engine to stall?

If the crankshaft position sensor or its wiring have any issues, it can cause the crankshaft signal to be cut off while the engine is running, which can cause the engine to stall. This is usually a symptom of a wiring problem, however a bad crankshaft position sensor can also produce this symptom.

How do you test the crankshaft position sensor?

You’ll need to use a 1/2 ratchet wrench and the appropriate socket to turn the crankshaft pulley. SUGGESTION 2: It’s very important that the Spider’s fuel injector’s connector be disconnected while performing the crankshaft position sensor test.

How to test the crank sensor without an oscilloscope?

SUGGESTION 1: The crank sensor test I’m gonna’ show you in this article, is one of the most accurate ways to test the crank sensor without an oscilloscope (and using only a multimeter) only if you turn the engine by hand. You’ll need to use a 1/2 ratchet wrench and the appropriate socket to turn the crankshaft pulley.

How can I tell if my blazer has a spark or not?

I pulled the fuse, it looked like it was the factory original. Looking at the contacts in the fuse box for the fuse, the contacts on one side are shiney, while on the other side sort of a dark dull brass look, obvious color difference. So I installed a new fuse.

What did O’Reillys test the S10 Blazer?

Took the ECM (electronic control module) off the distributor and took it to O’Reillys auto parts to have it tested, they tested it twice, everything was good. Having them test it was way cool, as that’s way better than doughing out money for something you don’t need.

Why does my Chevy S-10 not start up?

Once the truck starts and is running you can remove the jumper to the fuel pump and it will continue to run. The only thing i can think of is that you are not getting the priming signal to the fuel pump, that the ECM if faulty. It turns over fine.

What should the fuel pressure be on a 1997 Chevy Blazer?

For a 1997 Chevy S-10 Blazer, the correct fuel pressure is between 55 and 62 PSI with the engine off and the key in the “Run” position.

What should I do if my Blazer won’t start?

The blazer started right up. I set timing and took for a test drive. Wow noticible improvement to the idle, it use to have a minor idle shake, hardly noticable, but now that’s gone. Took it for a 10 mile drive, parked the car, went shopping, when I came out the Blazer started right up. Drove it home and parked it.

How to troubleshoot a no start GM 4.3L?

The following tutorial may be of help: How To Troubleshoot A No Start (GM 4.3L, 5.0L, 5.7L). CASE 3: The engine started and stayed running. This confirms that the fuel pump is starting to fail. The next step is to confirm the exact fuel pressure with a fuel pressure gauge to be absolutely sure.

Why is my GM fuel pump not working?

One of the things that can have you replacing a good fuel pump is an anti-theft system (PassLock) failure. How? This is due to the fact that when the Passlock system arms itself on your GM pickup or SUV, the engine will crank but won’t start, since the PCM has disabled the fuel injectors.

Why does my 1994 Chevy S-10 not start?

1994 Chevrolet S-10 4.3 tbi. I never get the signal to turn on the fuel pump or fire the injectors but if i poor gas in the intake once the truck starts it runs fine. Any ideas ? I have replaced the fuel pump relay oil pressure switch and computer.

Why does my S10 Blazer have no spark?

I found that I had “no spark” and that I had 60 psi of fuel pressure present and holding. So that isolated my problem down to the electrical ignition system. My Distributor was replace about a 2 years ago. The Distributor Cap, Rotor, Spark Plug Wires, and Spark Plugs were replaced about 3 months ago.

Why does my fuel pump not turn on?

Well getting to start by adding fuel to the throttle body is not going to turn on some special switch that will send a signal to the pump and injectors. I’m sure you probably just have a bad fuel pump that doesn’t have enough pressure or volume to start the truck, but at running speed can keep up.

Why does my S-10 car not turn over?

by Zyon Silket. If your S-10 won’t turn over, you have an issue with the ignition system. The ignition system on your S-10 consists of the battery, ignition switch, starter motor and starter solenoid. The fact that your engine won’t crank eliminates most other components that could keep your engine from starting.

What to do if your S-10 won’t start?

Turn on the S-10’s headlights and attempt to start the truck. If the headlights do not dim, the ignition switch is defective. If the lights dim, the ignition switch is working properly as it sends power to the starter motor and solenoid. Proceed to the next step. Locate the starter motor and the starter solenoid.