rpm

  1. Z

    Odb1 aldl data logging

    was wondering if anyone could help me with my data I have no idea what to be looking for, I have a 1990 5.7 tbi and have been having a random shake at a stoplight and rpm drops for a second and goes back to normal when it shakes. Have replaced too many parts trying to figure this issue out and I...
  2. chris2323

    RPM and MPH Gauge Error

    I have a 1997 K1500 pickup and both my rpm and mph gauges are not reading correctly. They are both reading higher than the actual rpm/mph, and seem to get farther off as rpm or speed increases. Has anyone had this issue? Any help or troubleshooting advice would be greatly appreciated. Rpm is...
  3. 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...
Top