What kind of engine does a 1998 blazer have?

1998 blazer 4.3l engine. 4l60e transmission. that had been rear ended. Engine is hooked up. I have a Crank but no spark condition. vom and test probe being that i have no O-scope to test for a signal. Checked ECM1 15a fuse and all fuses—Good. Tested Ignition switch at the wire block pink w black stripe as i tried to start.

Why is there no spark in my ignition?

An ignition module requires some type of external input in order to activate. If your vehicle stalls unexpectedly during operation and will not start again, it is likely because of loose or corroded electrical connections in the ignition module. In this case, check the switch, clean oxidized terminals, and replace broken wires if necessary.

What to do when your engine has no spark?

Insert a spark plug tester into the plug boot and ground it on a piece of metal on the engine. Finally, Have someone crank the engine and watch for spark. Remove one of the coils from the spark plug. Use an extra spark plug. A spark plug tester. Or even a screwdriver in the end of the coil.

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.

When to know if your car has a misfire?

If your GM car (or pick up, van , or mini-van) is suffering a misfire; the check engine light (CEL) will be on to let you know that YES, there really is something wrong. Here are a couple of other symptoms your vehicle may experience with a misfire condition: Misfire that does not light up the check engine light (CEL).

What makes a 1998 GMC C2500 no start?

1998 GMC C1500, C2500, C3500 Pick Up. 1998 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).

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.

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.

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 .