- Issues with MAF reading and boost.
- 2017 Sierra 6.2 tuning
- Specific channels are not logging
- turbo lq4 limp mode
- Houston area wiring company??
- More help needed stumble/missing
- A little tuning help, 6.2 yukon
- 10 degrees knock retard - don't know what I'm doing wrong
- ECM output contact available? Trans temp triggered?
- Race mode button
- EFI live 5.3 tune
- V6 E-Fans on V8? (NBS)
- 4.3 5 Speed to 6.0 6 Speed Start Problems
- PCM/TCM E38/T42 Part Numbers?
- ABS Engaging when coming to a stop
- No A/C at low RPM
- 2018 8 Speed Transmission Tune
- 4l60 to 4l80 swap reverse and second only
- Installed ls1 e fans on 2002 Silverado
- radio intermittent power
- Switching between EFI Live and HPT tunes
- efan issue
- buick lucerne 2009 cxl
- 6.0 pulling timing at 3000 RPM
- EFI Live stalling help?
- ISO reputable “street” tuner in SoCal or mail order tune
- fuel cutoff or rev limiter problem - 05 rcsb 6.0 t56 -
- Wideband all over and odd readings
- 3 bar DBW PCM '06 silverado?
- Efan Issue
- Widebands issues
- Very weird electrical problem
- Need help wiring MSD 2-step
- 96 fuel gauge calibration
- HPTuners Repository Gone
- 05 4.3 to 04 6.0 with segment swap...starter wont stay engaged
- 2010 chevy silverado
- LML ECM just died?
- No oil pressure
- Spark plugs
- Does injector change require retune?
- view this scan
- Anyone with similar RPM issues on the Dyno???
- E fan wiring
- Possible Lingenfelter TRG-002 fail
- Can the ecm support 2 obd 2 ports?
- EFILive Worth?
- timing a 383 stroker
- Hp tuner reader question...
- Hpt vs whippletronics
- ABS, TC,and E Brake light always on no DTC's
- E-fan wiring and computer help
- No Error Reported on p1810 code
- Timing light trigger
- Can't get MAF sensor to fail.
- connecting lm-2 usb to hptuners for logging without mvpi pro
- Looking For a PROM for a 1986 Corvette
- 2017 Sierra 6.2L Maggie TVS1900 Tune
- '09 Sierra 5.3L E38 Speed Density
- E6787 Reprogramming
- Erratic Idle & Stalling....PLEASE HELP
- help interpreting my log
- Gen IV engine swap help
- p0506
- Looking for gauge cluster part #84201626
- bosch 210 min pw, default pw, short limit
- truck wont start
- wiring diagrams/pin outs
- Haltech Stand Alone
- Ecm help
- 2005 rcsb 4.3 5 speed to 6.0 5 speed tuning questions
- Crazy Fuel Trims
- 4l80e not working
- Starter cranks in acc position
- No 12v to bank 2 downstream O2
- Service Engine light
- electrical problems on LS engine swap
- Converter not locking
- 4x4 shifting at high rpm's?
- b2 stft question, log attached
- Trans Brake/2 Step/Smooth Stage Wiring
- EFIlive noob. Truck wont idle
- stand alone harness
- Changing o2 connectors
- Ls 6.0 front o2 sensors
- 2015 5.3L Silverado have stock wideband O2?
- Evap removal tuning
- Help me with my base tune?
- Fueltech
- Need help!! Twin turbo silverado
- Ls1 swap help.
- 2008 Burb efan harness
- Segment swap EFI Live
- 2006 gmc envoy 5.3
- Spark plug wires for relocation
- Where can I send a PCM to get the E-fan pins turned on??
- tbc 2c fuse...
- H3 i5 to 6.0
- Big 3
- obd port loses power on crank
- Ecm reprograming
- 2011 sierra hptuners throttle response increase???
- Tach slightly off after v8 swap, can it be corrected with tune?
- '18 6.2 truck to 6.2 Camaro maf swap
- Engine harness
- Who have swap the LT4 fuel pump and injectors to their l83?
- HELP with ECM
- intake fuel rail pressure
- Turn of feature in PCM
- VVT calibration
- new HEAD UNIT 07 1500 Classic
- 4.3 no start
- IGN 0 fuse blowing and Instrument panel issues
- BCM programming
- Logging External Sensors with Stock ECM
- 04 Silverado electrical help!
- 3 bar MAP sensor seems to show "BOOST" at IDLE?
- Ls7 TB and xlink NO START?!
- Help! Misfire while in boost
- Idling rough in drive with foot on brake
- 427 LSX Turbo - Compound Problems - U0107
- Electric fans-2007 Sierra SLT
- 4l80e shift point tuning
- Sup fellas its been awhile since ive been on here.. quick ?
- 4x4
- Limp mode “reduced engine power”
- Engine swap from 5.3L to 6.2L
- Service airbag light
- Harness mod
- Gmt800 platform- tuning 60e in - desired shift time
- Gauge cluster swap
- black box 454 vortec tune
- coil relocation?
- another e-fan conversion thread
- when trying to program keyless remote my door locks won't cycle on and off
- Tune
- Silverado/tahoe alternator compatibility
- Service Brakes After Hydro boost Conversion
- Help Needed with 5.3 cam swap
- What am I doing wrong STFT
- noob help with 4l80e swap tune HP tuners
- ABS, brake, and traction lights on after instrument cluster swap
- Gen VI CKP Sensor Position
- Bad temp sensor?
- 6.2/6l80 into gmt 800
- 01 Silverado Tail Light harness
- Reduced Engine Power
- Adding E fans to an E78 ECM
- Bank 1 running lean at WOT?
- 99 silverado Keeping ac,deleting factory pcm
- Compound Turbo Truck Down :(
- p0742 after segment swap and new 4l80e
- P0300, P0303 and P0304 Issues
- BCM Programming Question
- 00 stepside cold air&intake swap???
- Bigger fuel pump and injector installation questions
- Suv fuel pump vs pickup fuel pump
- PATTERN A shifting
- Truck shudders
- 03 Dash lite problem
- Cylinder 5 misfire. Tried everything I can think of!
- 4l80 hard shifting after highway driving- tune?
- 2000 Gmc 5.3 crank wont start
- Purchased a Whipple for my 2016 RCSB...
- Truck fired right up, now no start??
- What to tell tuner for towing app?
- Undecided on cam selection for street/tow SUV 5.3LH6
- Nelson's Performance Tune
- Swapping 00 to 03 cab
- swapped harness now truck wont start
- Why dont peeps dig the 1MB pcms?
- Tnr800
- 73 Crew on 2007 Denali Crew Chassis
- Any insight for a noob using HPT?
- Can someone help me out, SD file trying to set scanner..
- RPM drop off
- Strangest transmission/ecu problem ever?
- 4 low 3-4 hunting or slipping after trans swap.
- 2003 chevy silverado REduce Engine Power
- One Picture Review of Taylor T50 wires
- E-fan swap. No auto turn on, can command on
- Tuning needed (Ontario)
- Need help
- Remote Trans tuner Recommendations
- Red help
- help! random P0420 with P0446
- How too- DBW to DBC swap
- electrical issue i need some help with
- Best AEM wideband?
- Map sensor not reading
- Three Vehicle Speed Sensors, one cup
- Hot start issues
- A/C compressor issues
- Nnbs alternator on nbs
- Do you have a wire diagram for a 2005 silverado 2500hd 6.0, ground location
- HPtuners gear/tire wizard issue
- Evap Purge Solenoid (Will I miss it ? )
- HPTuners question - Horrible customer service from them
- Help: Found spliced cable coming from Brake Booster
- EFILive Supported tune file needed for '07 Classic 2500HD 6.0 4x4
- Houston Tuners Update
- Any one know what this is
- 2010 Suburban U0100 code and TPS code
- what are these called
- AFR climbing without changes to truck
- 99-02 E Fan Ac trigger help
- Alternator Wire Question
- Street tune, advice appreciated
- Rough idle
- LS Swap OBS Silverado
- 4l80e swap problem
- fan swap ecu programing
- Battery light
- 08 Sierra Won't Turn Over Following Cam Swap---Help Diagnose
- EL460 4speed
- Truck not able to be tuned?
- 6l80e Tow Haul problems
- Ve tune question.
- Quick tune question
- HP tuners RAF changes all day long
- I created an account and posted a thread asking a question but i never saw the thread
- HPTuners NNBS tire change=brake and ABS light
- EBCM code: C0055 Symptom:5A
- E38 with th400
- Please look at LS3 525hp tune and critique
- A/C help needed
- HP standard Vs Pro
- Ignition problem Vortec 5.7, 1999
- 5.3 Turbo Silverado Start up
- PCM A/C Compressor?
- dead while running
- eBay pcm?
- catalytic deleted
- Maf code with new and old maf
- take a look at these scans
- 2 bar map
- Thaughts on using 6.2 camaro spark table
- Online cluster rebuilders, any recommendations?
- EGR Harness
- 04 Silverado 06 computer?
- BlueCat tool
- Transmission temp. gauge programming..?
- anyone thats is experienced with hp tuners check out this log please
- Hp tuner first set up ?
- Messedup my stock file hp tuner
- What software???
- 2005 Yukon Denali
- advice to get me started with recent build and narrow/wide band help
- Possible pcm problem
- Weird 4l60e issue