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  1. J

    1996 4L80E P0713 Transmission fluid temp sensor problems

    I have a 1996 Chevy K3500 with the 5.7L and 4L80E I have a P0713 Code. Last weekend I dropped the pan and installed a new internal wiring harness and TFT sensor. I put it all back together and that did not solve my problem. The transmission does not shift at the correct times, but when I clear...
  2. J

    P0300 and P0302 With new long block 1996 K3500 5.7l

    I have been having a lot of problems with my 1996 K3500 5.7l The truck has about 220K miles on it. I recently had problems with it running very rough. I found out I had low compression on two cylinders, So I decided to get a new Long Block. I replaced a lot of other parts with it. -Blackbear...
  3. J

    96 Chevy 5.7 running rough

    I am having lots of problems getting my 1996 chevy 3500 with the 5.7 running correctly. About 4 months ago the truck started to run rough. I found out I had low fuel pressure, and that the fuel pressure would drop off almost instantly once the key was shut off. I replaced the fuel pump with a...
  4. J

    4L80E jumping in and out of OD

    I have a 1996 Chevy K3500 5.7l with the 4L80E trans Recently my truck has been having problems shifting at the correct times and sometimes it shifts a little hard. Now when I get to around 50mph it jumps in and out of OD or lockup constantly. The truck has low power, which I am assuming is from...
  5. J

    96 Chevy 3500 5.7 Bank 2 Lean P0174

    1996 Chevy K3500 5.7L. I am getting a code for only bank 2 being lean. Originally, I was getting codes for both bank 1 and bank 2 being lean. I had low fuel pressure too. I replaced the fuel pump, and fuel filter. I also replaced the O2 sensors and cleaned the MAF sensor. When the truck is...
  6. J

    96 Chevy 5.7 Fuel pressure issue

    96 Chevy K3500 with the 5.7l It has about 215K miles. I am trying to diagnose a fuel pressure issue. My truck first started to run rough like it had a miss. Check engine light came on. I had codes for both banks being lean. I cleaned the MAF sensor with no change. I checked for vacuum leaks. I...
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