Trans was rebuilt around 40,000mi. ago and hasn't acted up at all, it shifts fine, does'nt slip but this morning on my way to work it acted like it was in neutral and the engine wouldn't rev past 1500rpm and was sputtering. I shut truck off and waited a minute and started it back up and it was fine for about 2 miles then it did the same thing. Is there a sensor or computer that's causing this? Torque converter?
Hey RPG, There is a sensor on the side of the output shaft (Speedo).. Mine had become covered with metal crud and would not work,, pulled it out, cleaned it,..(replace the o-ring on the sensor!!) and it ran fine.. This might not work for you, but it did for me. Next.. take it too O'Reilly's, Auto Zone, or Advance Auto and ask the to scan you truck for a trouble code..(free) and see what turns up.. Good Luck..
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SOURCE: 87 chevy r30 trans doesn't want to shift and slips
Change the coolant temperature sensor.
Report.
Vitally
SOURCE: Transmossion problem on a1998 chevy ck1500 with a 4.3l vortek, 4l
only diagnostic procedures will find the exact cause. Unless you have the info and the tools to perform this your going to have to have a shop perform this for you.
Guessing only works if your always lucky when you go to Vegas.
SOURCE: This morning my 2000 Z71
May be a problem with the mass air flow sensor located on the air cleaner assembly. Dust particles sometimes collect on the very small resistors on the MAF Sensor. Buy some electronic dust spray you use for computers and spray the resistors. Be carefull not to touch them, they are very sensitive. Thanks.
SOURCE: I changed the tranny fluid
that is a shift solenoid B electrical. on side of trans you will find a plug unplug it then test drive vech. [should run norm]. sounds like convert is hanging up try that. had trouble with my olds ran trans unplug for 2 years beforr got rid of had no trouble
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