- 5.3 with 4.8 pcm
- Break in tune
- AEM Wideband wiring question.
- HPtuners with Wideband or Tuning School course
- Another PNP Selector Switch Question
- 5.3 swap wont rev remove grd frm maf and works
- Considering a HP Tuners MPVI2 for 2001 Camaro SS
- 98 TA ECM, Harness, and trans upgrade
- 5.3 Vortec Stalling @ Idle
- Need help with 5.3L troubleshooting
- H/C Ls1 Climbs to 20.1 AFR?
- P0200 error.. listing issues in body.
- map sensor for ls7 intake
- P1639 code
- Gold box vs hp tuners with ac
- 02 WS6 MAF + Tuning
- I Need Expert Help.. Good AFR to Lean AFR.. Why..
- 525hp GM crate engine start but no run
- Need help with P0171 & P0174 on L31 engine
- tuner in upstate ny area or mail order tune info
- HPT Datalog marker tool
- Wideband placement - Holley Dominator - 1 or 2
- LS1 tach and almost stall problem
- College Station/ Houston tuner
- MIL issue: wont illuminate when ses triggered
- Timing falls on its face, logs say it’s not knock.
- MIL / Service engine light voltage
- Newbie looking for guidance: P0300 Misfire at idle/Supercharged
- Dyno/ tuning help
- Misfires on all cylinders no check engine light
- OBD II Scanner that read IAC Count
- 4l60e tuning
- A/C request
- Test-new to HP Tuners
- Moving IAC Target, Never Settles
- Seimens 60lb injector data
- Newbie issue - FITech ultimate LS fan relay
- Lookin for online tuning chevy engine
- Tuning Schools
- Initial Startup After Swap
- Newbie tuning question(s)
- E38 Injector Hard Limit
- msd 2 step
- Supercharger Start up Tune?
- P0200 Injector Open Loop - I'm stuck!
- Newbie 2011 Gen 5 Camaro
- Dwell and melting coils
- STIT # Keeps Climbing!!! Help!
- 08 lq4 in 2002 chevy silverado 2500
- Looking for a good tuner in Tennessee, Ky, Ala, Georga.
- HELP DEAD GOAT cant find ECM anywhere!!!
- VE tuning by LTFT
- AEM wideband
- I'm in HELL! HELP HELP HELP
- Is it possible for a dealer to reflash to stock?
- Can someone give me an idiots guide how to use an LM-1 with NON pro HP tuners
- T56 speed sensor question
- 02 Camaro. Died mid pull, now wont crank, no fuel pressure etc ..??
- MAF Dips @ WOT
- Don't know where to start...
- 1 Controller FI & Carb?
- MAF P0102 MAF ckt Low Frequency
- LS1 No Start
- 12216125 OS 02 Tahoe OS Link??
- Looking to buy hp tuner pro and a wideband
- VSS signal reaches PCM but no output
- Holley EFI PCM ( Dominator and HP)
- To ms3pro or not?
- What causes a change in AFR command
- 5.3 vs 5.7 vs 7.0 Fuel mileage
- Pcm output
- Need help tuning 5.3 in 87 Trans Am
- MS2 v Microsquirt
- Wiring Issue 99 Camaro LS1 w/T56
- 98' to 99' and up PCM question
- Poor Fuel Mileage
- Throttle goes over 100%
- 4L80E Shift Issues
- Hp tuner without pro
- swapping o2 sensors in the ecu pinout
- Help plz 4l80e segment swap
- PCM hack for per gear boost control
- Best factory OS for a P01 / 411 / 512kb PCM?
- Does anyone have any HP tuners sample files?
- Whats a good lap top for tunning
- LS7 Connect Cruise kits OBDII compliant?
- After-Throttle low Idle issue
- DOD Delete
- P59 missing channels
- 3 BAR MAP Giving me 109 kpa at idle
- Read oil pressure?
- PCM will not accept a tune and kills PCM.
- 4l60-80 tune. Really stuck
- OBD Codes: P1125 and O2S/ HTR
- 100 octane & 12.4 to 1 static CR
- Tuner help
- FID Injector Data
- Holley EFI 58 to 24 wheel
- 98 to 02 Fbody pcm swap issue
- Went TorqHead 24x Need Tuning Help (LT! PCM to GEN III LS!)
- 6l80 torque management
- Adruino RPM
- Question on mass air flow sensor
- P0102 MAF Signal and Voltage, Signal 9V ?!
- Non pre defined wideband setup I NEED HELP
- E78 tuning
- 11 6.2 dod vvt texas speed cam needs tune
- Dod delete issue?
- EFI LIVE traction control
- What tune for PCM and TAC to work
- 02 Sierra . Bcm blues
- Supercharged LT1 tuning options?
- Crate LSA - ECU Options
- LQ9 6.0 swap from 5.3 runs like a dog
- HP Tuner question
- Wideband Rapid Fluctuation
- Diagnostic check at start up?
- 2003 Yukon Denali MAF delete
- Need some input please
- LS3 Swap - Stock vs. Aftermarket ECU
- Can’t find anybody to tune my carbureted Ls
- Shooting flames..all in the tune?
- Banish SD 80 data
- Wont start
- Fuel Gauge Runs Backwards
- EFI tuning
- ECM been changed? Odometer reading ---
- Need a tuner for Mast Motorsports M-90
- red/blue to green/blue
- 01 Trans am ls1. MAC scanner shows fualt on all 8 coils ??
- haltech base map
- Need a tuner near Carson City NV
- Timing @WOT from idle
- Need help getting the correct PCM
- A/C airflow bump trigger ideas?
- DBW to DBC conversion
- How much fuel will I need
- Holley HP EFI Start-Up Tune
- Ls1 s10
- Help with LS swap
- Holley EFI in your F-body info (My experience and install)
- Camaro Not running right
- Idle on stand but not in engine bay...
- Sloppy stage 2 tunning
- rough idle and poor performance past 2nd gear
- No Ragrets ;) Anyone regret MS3 vs Holley EFI?
- Gen 5 boosted target AFR
- BCM FRIED! CAN'T FIND NEW BCM for 1999 camaro ANYWHERE?! PLZ HELP!?
- Please help, I'm at my wits end. Engine won't rev.
- fixing a corrupted 1996 Impala SS OBD2 PCM because of bad programming
- Trying to connect wideband to serial port adapter
- Mail order tuning, swap harness
- Which ECU/harness for LS3 swap turbo build
- Starting new LS3 stroker with stock LS1 CPU
- from blue/red connectors to haltech ecu?
- LS9 into C3
- Holley efi
- how many licenses I have in my JET tuning software?
- What happened to all the injector excels
- Read my log and tune....Newbie Blown Tuning Help
- Logging wideband via serial cable, how?
- The horrible P0307 code! Need help
- ASR OFF light always illuminated and switch not working (& other issues)
- What would you do next? Chronic Lean Codes
- HPT 4L60 to 4L80 With 1999 PCM.
- HP Tuner- Keeping You Informed
- Gear change
- Trans Adapt Reset
- gm tech2 on craigslist
- 04 GTO Magnacharged, knock problems
- Not shifting at WOT
- Gm e38 into c5
- Wont rev passed 5200 RPM
- Can you look at my Hpt. log
- HP support for custom OS for 98's ?
- Innovate wideband issue
- I'm at a loss... weird "stutter"...log file attached
- IAC in park
- TSP 228r cam help
- Wideband sensor help
- Closed loop poor performance. Open loop fine.
- Need answers to using Flex fuel on an Fbody? Come in.
- 5.3 to 4.8 swap 2005 Tahoe
- NEWBIE and need help with A/C idle
- Using pin 44 for reverse lights
- 6l90 controller
- p59 pcm cant log misfire with hpt
- P0303 needing help!
- Hp tuner
- Torque Pro, tablets and OBD2 adapters, oh my
- mpvi2+wideband when?????
- VCM update
- explain to me like i'm five MTT vs. main spark (hi + lo octane)
- Timing pulled on 2nd to 3rd shift!?!? Have tune and log available
- 1999 Firebird
- CKP Relearn for Swap application
- VSS input requirements
- Detonation and Backfiring Low RPM Help
- Feasible to create auto-lock from ODBII?
- P59 OS for 3bar DBW
- Limp Mode Issue
- Crazy ´99 Z/28
- PCM swap question, hp tuners
- Best Book for learning EFI Tuning
- Speedo help.
- 5.3 swap doesn't want to start
- Tuning help / guidance swaped g body lq4
- VE to Cranking VE table excel sheet
- HP Tuners MPV1 Not Logging All Channels
- O2 Sensors..
- 1999 LS1 Getting P0157 & P0481 & BATTERY DRAINING! NEWB PLEASE HELP!
- Any tech 2 gurus in here?
- Tuning of any kind, are there limitations on a 1997 PCM?
- Help! LQ9 Won't rev
- When converting to a SD tune
- Bricked the pcm in my 98 camaro
- Pegged at 8 degrees of KNOCK RETARD in 1/4 mile run?
- looking for help with hp tuners tune file
- 5.3 Random Misfire Code
- Email tuning experiences
- brake pads
- ECM and VATS concern
- C5 with 90/90 setup - return to idle issues, idle hunts in neutral when in motion
- Dyno fail
- need help with HP tuners, cold start up and dfco
- Silverado lq4 swap
- Remote start install w/alarm
- 0411 pcm can't read misfires on SD tune?
- Need help - Finally got a data log to post
- mail order tune
- Easy Smoke test for 0171 and 0174
- Loud pop at shift point
- 1999 2500 lq4 remote tuner hpt recommendations
- Bad ECM?
- HP Tuners users heads up
- Fires right up and instantly dies
- HELP! 2000 z28 ls1, getting p0171 and p0174 codes
- L36 Transplant Fighting Its New Home (Not LS But Could Use Help)
- Hp tuners vs holley
- Accel GEN 6
- 1996 Impala SS pcm not completed programming flashing?
- LS1 surging idle change cam or converter?
- MAP sensor reading 32kPa at idle... Heavy RPM Surge
- Need help identifying an e38 ecm
- EFIlive 1.2
- Hptuners Mpvi2 question
- 99 F body alt on 05-06 e40 ecm
- Misfire but no error. Please help!!!
- Help tuner says mechanical problems and engine builder says nothing is wrong
- 4l80e help (trans or torque converter slip)