What kind of signal does a GM injector pulse have?
What kind of signal does a GM injector pulse have?
Purple/white wire with key on had barely any signal at all. Wires to the injectors have 12v with key on. I have fuel at the rear of the tbi but not sure of the pressure?
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 does no injector pulse on PCM mean?
No change. Still have spark but no injector pulse, still have DTC 1361. With no injector pulse and no ICM timing pulse it seems like the PCM is not getting some kind of input signal but what can I be missing? The crank position sensor is the common ground but it seems to be working properly.
What was cause of 1998 Chevy S10 no spark?
9 people found this helpful. Again my 1998 Chevy S10 No fire was caused by what is called an ignition igniter which sit on the side of my coil bracket next to the coil. I hope this will help someone with the same problem.
No change. Still have spark but no injector pulse, still have DTC 1361. With no injector pulse and no ICM timing pulse it seems like the PCM is not getting some kind of input signal but what can I be missing? The crank position sensor is the common ground but it seems to be working properly.
What are the symptoms of a bad fuel injector assembly?
Symptoms Of A Bad ‘Spider’ Fuel Injector Assembly. The most common type of failure (related to the ‘Spider’ fuel injector) is usually not the assembly itself going bad, but the fuel pressure regulator going bad. The fuel pressure regulator is infamous for leaking fuel from its vacuum inlet nipple.
What kind of fuel injection does GM 4.3L use?
‘Spider’ Fuel Injection Basics There are two types of the ‘Spider’ fuel injector assemblies used on the GM 4.3L, 5.0L, 5.7L engines and this article will help you with both types. In case you’re wondering, one type belongs to the Central Port Injection (CPI) system and the other to the Central Sequential Fuel Injection (CSFI) system.
What kind of spark does a 1998 S10 have?
I have a 1998 S10 4.3L (VIN X) – Truck was running fine and then it just suddenly died halfway down the driveway (better than on the side of the freeway) and it hasn’t started since. Spark is strong. I replaced the cap, rotor, plugs and wires anyway because it looked like they were overdue.
