Recent content by Tyger255
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P0300, P0134, P0135
checked for intake and vacuum leaks and didn't find any. Got with a buddy that has a lot better OBD software than I do and we found cylinder 7 and 8 misfiring with #8 being very bad. I changed plugs in 7 and 8 and swapped the coils and wires to 3 and 4 and the problem moved to 3 and 4...- Tyger255
- Post #7
- Forum: Engine & Drivetrain
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P0300, P0134, P0135
I changed both upstream O2 sensors with Bosch replacements. It was the only ones they had at the parts store, and being out of town I was trying to get it fixed quickly and not spend all my vacation working on it. If I can find my laptop connector I'll plug it in and see what I can find out...- Tyger255
- Post #6
- Forum: Engine & Drivetrain
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P0300, P0134, P0135
The few plugs I pulled looked ok, but I bought another set to change them before I checked the current ones but did not because the current ones I looked at looked ok and I replaced them all just under a year ago. I hate to throw $80 of new plugs into it if thats not the issue but I will swap...- Tyger255
- Post #3
- Forum: Engine & Drivetrain
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P0300, P0134, P0135
2003 Suburban 5.3 with 200k miles. On vacation this past weekend and I start feeling a slight miss fire, driving the 20 or so miles to get back home and it gets worse and worse till its very noticeable and constant when driving. The next day I buy a scanner and its showing these three codes...- Tyger255
- Thread
- Replies: 7
- Forum: Engine & Drivetrain
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HVAC Controller issue,
Wanted to update this post. With having vacation last week with my daughter out on spring brake I was able to replace the blend doors for heat/cool on drivers side (works now) and for the defrost/dash vent/floor vents. This one Im still having an issue with. I have pulled the HVAC fuse under... -
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HVAC Controller issue,
After using this video, tore down the dash, fixed several wiring issues, and found a few of the blend actuators that are starting to fail. Going to order and replace all 4 of them and that should have everything fixed up. After all thats working correctly I'll move to the A/C compressor... -
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HVAC Controller issue,
this video is great, with him showing all the actuators and the wiring I'll be able to track and test everything coming from the rear plug on the controler to the actuators to find my problems. great help! -
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HVAC Controller issue,
thanks for the quick reply. I tried a reset similar to this but my controller has the 2 sides in the middle and not the digital display. I will try it again following these instructions and see if it changes anything. I hate working on electrical on vehicles also because its such a pain to... -
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HVAC Controller issue,
Hello, Just bought a 2003 Suburban for the wife and family to use on vacations. Found one that runs and drives great but does have a few gremlins hiding inside. 2003 Suburban. Having HVAC controller issue. The fan speed control works ok. the temp selector does not change air temp. only...
