Activity Stream

I have a C4 I put a 5.3 in. It will not start. When I connect with VCM Scanner, I see an RPM signal but under channels fuel system #1 status is "not...

Hi, just joined. Need some advice. I built a Factory Five 33 hotrod with a new Gen 4 LS3 engine. I bought the engine from GM Connector and Cruise...

Hello, I purchased a Texas speed stage 3 high lift camshaft, on my 2004 chevy 1500hd 6.0 and am interested in a good tune. Fired truck up and it...

Ok awhile back a customer brought me this challenger i thought some major engine issues, has a comp stage 2 cam, and hellcat blower swap, he had...

Hey Guys, I could really use some guidance I AM NEW. I?ve got a stock 5.3L swapped into my G35 with just long tube headers for mods. I was working on...

I need help i recently cam my truck with a chopacabra cam. The bottom end is bone stock and in pristine shape leak down test 5% and down on all 8,...

03 chevrolet silverado 5.3 gen 3 with long tube headers and 4" exhaust. stage 4 truck cam v2 prc heads i recently removed the supercharger that...

I put a Vette servo in my daily driver a 2004 GMC Sierra. Stock truck. I wanted to do the Vette servo after reading about it being a good upgrade...

Hello, I'm new to tuning and working through my first custom 93 octane tune on a 2022 Mustang GT (Gen 3 Coyote, 10R80). I'm using HP Tuners MPVI3...

I posted this in general and was advised to try posting it here. Don't beat me up too bad. I have a 68 Chevy C10 with a Gen3 4.8 in it. I wanted...

Hi, I have a 06 hummer h2 with twin turbos and when I go over like 10psi the throttle body slams shut. It throws a P0068 code when it does it and I...

Hello all, I am looking for a little guidance for trouble shooting a potential problem. I have been trying to hunt this issue down and I am...

Hey there guys, I?m getting ready to do my first tune and I have never done it before. I am getting rid of VVT & DOD and I upgraded my cam to and 112...

have a 2007 ly5 with a fresh BTR cam (truck norris) and valvetrain, long tubes, otherwise stock. Fighting an extremely high idle issue. Engine...

I recently put together a LQ4 to replace the blown up LS1 in my 2002 WS6. Stock LQ4 block and crank Scat rods Wiseco -3.2cc flat top pistons...

I am trying to find someone that knows the tuning logic of the MG1 ECU. This is the first 4 sec of a typical hole shot. The top trace has the basic...

I have a stock, untuned 2010 Escalade 6.2. I've been battling an on and off issue with it running like shit, backfiring, dumping fuel etc. I was...

hello everyone, I went to start my car and when I turned the key my fuel pump did not prime... I immediately thought that was odd. when I tried to...

Just installed 243 heads and BTR Cam. I know the car may not make power all the way to 7k RPM but I am kind of stumped on what limiter I am missing....

Does any of the polaris sxs have a low speed limiter in Low. Looking to see if the settings are similar to cfmoto.

Good afternoon, first post here looking for some direction. 2007 Escalade 6.2 w/6L80E, standalone OEM harness, OEM computer. Sitting in a frame...

Hi guys, I have a L94 engine that has been setup like a LS3. LS3 MAP Sensor, LS7 MAF sensor. LS3 Intake & fuel rail, L94 50lb/hr injectors, L94...

Tune and Log are attached Thankyou

Issue with a start and die issue on my 2010 Camaro SS with Whipple and Cam. New TB, Pedal, ZL1 FP, 1050 Injectors, IAP, MAP, O2 Sensors. MAF is...

Hi everyone, I'm chasing two issues with my 5.3L Avalanche and could use some experienced eyes on this. Tune and log files are attached. Any help...

I had a hose from a port on the intake manifold to a cannister that I thought was a closed system but turned out it was not, so essentially it was a...

Hello all, I am new and not sure what's happening here. I'm getting a "The tune file you've just been supplied is a stock file because this control...

I have flashed the ECM and I am now trying to read the TCM so that I can get the valve body parameters from my 2020 Sierra 3.0L Duramax with the 10...

Hello, I have an NSRT4. I've noticed that if I change the throttle body airflow map that it appears to correlate with the Total Airflow pid....

hi, could someone further explain what this table is in hptuners please? this is specifically for a ng93 saab v6 but can also be found in other...