Tags

voltage

Fuel Pump not priming 5.7 vortec

I've got a 5.7 Vortec Suburban ive been trying to restore. I got a new smp fuel injector, new top end gaskets and all that lovelyness. However, I went to go start it yesterday and it wouldnt start. It turns over but it sounded like no fuel. I turned the key over and nothing, not even a hum...
- 97_Bourbon
- Thread
- Feb 9, 2026
- fuel pump no fuel voltage
- Replies: 39
- Forum: Engine Performance + Maintenance
Voltage Drop Woes

Hey fellas. 1993 2wd suburban, 4l60e, 350 Tbi Ive had a drop in voltage that shows itself in gear, after warming up, at idle. 14.5 volts at first start And going down the highway with all acc on, headlights and all the load stuff its 14v to 13.8v. It does well, usual turn signal voltage drops...
- Strages
- Thread
- Nov 22, 2024
- voltage
- Replies: 32
- Forum: Engine Performance + Maintenance
D
HELP! Chasing possible ground issue

I have a 1997 Chevy Tahoe 4wd. I believe I am chasing what could be a possible ground issue somewhere. The problem is while idling, the volts drop on the gauge and you can actually hear the engine load and unload when it happens. This happens even when the AC is off, so its not the compressor...
- DooSPX
- Thread
- Mar 17, 2021
- ground problems voltage voltage drop
- Replies: 5
- Forum: Electronics
T
Misfire and voltage drop caused by instrument cluster

Hello all, I have been chasing an issue on my 1993 C1500 5.7, engine and trans are out of a 1990 c1500. New parts include: Reman ECM, IAC, TPS, MAP, Ignition Coil, Plugs and wires, Coolant Temp Sensor, Oil Sensor., All grounds. I have been having a misfire issue, and whenever the turn signals...
- Tanner Jacob Colbert
- Thread
- Sep 2, 2020
- cluster code 43 code 44 misfire rpm short voltage
- Replies: 3
- Forum: Engine Performance + Maintenance