Good evening everyone! This is my first posting on the forum!
I’ve got a 2011 GMC 2500HD 6.0 that has visited 2 tuners in the central Texas area. I have a TSP VVT2 cam, 3600 converter, forged internals, And exhaust, with more to come soon.
I have been told by these shops that my truck could not be dialed in like it needs to be due to missing airflow tables on HPtuners. Supposedly the 2011 HD’s have a odd computer that has to be torque based tuned.
I am having idle problems... pulling up to stop lights and turns the truck will die 8/10 times, but starts right back up.
Anyone know a way around this hiccup? These shops have gotten it to the best they could, which still is not enough obviously.
I have a 2003 Suburban Z71 that I just converted to electric fans. I used a factory wiring harness that I found on ebay, and the fans turn on when the temp hits 190. The truck was tuned by a popular tuner, but the fans will not kick on with the A/C compressor. I have wired in both wires to the pcm connectors. I cannot for the life of me get it to turn on with the A/C compressor. Could it be a bad relay? Could my 2003, not be able to control the fans when the A/C kicks on. I have fried my compressor, and would like to get this figured out before spending money on another. Does the tuner need to turn on the capability for the fans to kick it on? @JennabearI didnt use your tunes for this as I had another option at the time, but I need some answers. If you guys can turn it on, then you will have my money today.
Anybody else have any ideas?
Fixed! See page 2 update. Rebuilt Trans!
2014 Sierra 1500 5.3 120k miles
I searched and read some of the transmission threads but it wasn't helpful so hoping someone can guide me or had the same issue..
Truck has been running great no issues, one morning i go to work as usual and half way into the commute i get this skipping/shudder when under load.
I let off it goes away. RPM is steady at idle and its not doing it or is not noticeable in cruise. No codes. Does it in Manual, all gears and all speeds. Only when i get on the gas.
Power is less, it feels like a slipping trans but also feels like a misfire. Plugs are assumed to be originals so tonight im replacing all to see if it fixes it, if not: they needed to be done anyways so no harm done.
Trans has been flushed at 95k at GM dealer. My next option is another flush. Any ideas?
I have a 1993 GMC Sierra C1500 v6 4.3L with an automatic transmission and i have tried replacing the distributor cap, router button, spark-plugs and the module that sits under the distributor cap but nothing works it just rolls tries to kick and if it does start it dies instantly. also when trying to start it smoke rolls out of the throttle body I have no clue how to fix this
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