- Just Ordered Tune
- ETC, can you turn it off?
- Throwing some codes.
- 06 SilveradoSS
- P0121? and P0748?
- Trans problem; won't go into gear?
- Dyno tune or Mail order tune.
- Low RPM Stumble Hesitation Injector issue?
- Looking for help
- anything new?
- Dtc P2761
- Nelson Performance
- WTB: Ls1 edit, HPT, EFI Live????
- Hp Tuners Available
- Injector misfire?
- Tow Haul Indicator PCM pin location?
- newb tuning question?????
- diablo for 2008
- new exhaust tuning question
- hey melissa
- Absolutely LOVE my TUNE! Thanks NELSON PERFORMANCE!!!
- Misfire, Part MVIXXIVIIXXI
- I just got tuned
- ?????
- Live tune
- Bad programming or bad computer?
- 5.3L Knock Sensitive
- Tuning Fords
- I just got Nelsoned!!!
- MAP sensors....
- How should I tune my truck??
- UGH...misfire is back
- service brake system
- NTK AFX wideband
- P0101 code everytime!!
- service air bag
- Allen or Melissa.... Have a question...
- Anybody Using Tunercat OBD2 tuner?
- HPTUNER help ,
- How many have used Wheatly tuning here in Houston?
- transmission tuning question
- any way to keep obd 1 in swap
- 2007 ECM/TCM cores now available!
- 2000 silverado pcm tune
- Computer Tuning
- NELSON PERFORMANCE Phone Line is Down!
- 2005 5.3L/4L60E 2wd stock file needed
- SD Tune?
- PCM compatibility question
- searching for a tune
- Looking for a tune!
- Allen this tune rocks!!
- PCM Swap Question
- price on a tune
- Hey there everyone
- TBI chip program
- SCan help
- tune for pulling?
- 90mm TB not working?
- custom tune
- Tuned the '07 @ TRT performance WOW!
- Nelson Tune
- P1638 Generator F-Terminal Circuit
- Tuning, Spark plugs, MAP sensor...
- Intake swap - retune required?
- Tune Question
- Can your pcm make your truck sputter?
- techII reflash--lm7 to lq4
- somethings wrong
- Keep Throwing Code P0315??
- Question for Nelson Performance . . .
- canadian tuners
- HP Tuner Problem
- GM Tuning
- bully dog gas programer
- hp tuners question for tbss
- HP Tuner
- 93 nelson tune and servo in!!
- HP TUners Pro How to?
- 160 degrees tuned.. but not on it..
- Windows XP vs Vista with HP Tuners...
- Turbo 5.3L HPtuner file needed !!!!!!
- question for Nelson tune
- PCM for less?
- '07 Silverado w/ Active Fuel Management???
- PLX Wideband
- Try, try, and try again
- Lean Code For Bank 1
- Knock at 10 psi?
- Another Tune Question for Nelson Performance
- Nelson Tune Question...Crank Relearn
- aem wideband?
- ECM/TCM relearn
- still running bad
- UD pulleys threw a code
- Nelson Tune
- EFI live
- Questions about Nelson tune
- HP out of Handhelds
- diablosport handheld
- 87 or 93 tune?
- Which is correct? Wideband or 02s
- Allen you here?
- Crankshaft Relearn - Gilbert/Mesa, AZ??? Need Help
- rough idle
- Best Price you have found on A/F Kit?
- where to mount wideband o2 sensor?? Help please
- Are nelson Tunes Locked?
- hypertech
- HP Tuners quick question
- ''do I Need Re Tuning?
- P0443? and A/C problems
- pros/cons
- Ecm
- Should I Adjust Shift Pressure w/Handheld
- Attention Allen
- ''mail Order''
- Just scheduled my tune
- tune
- allen, call me please
- still lean
- Lower Octane Can = More Hp?
- 2 way tune??
- does a tuner exist for this engine
- Speed Density vs Mass Air Tunes
- U0107 Wtf??
- What is optimal AFR for max power N/A?
- nelson tune
- PCM and A/C request interface OBS wiring
- Running rough....
- Crank Relearn: in houston area
- Hp Tuners or Efi Live
- cable throttle 2005 5.3 with Drive By Wire ECM
- Are All Dbw Trucks Dogs On The Takeoff?
- Can anyone tell me?!?!?!?!?!?!?!
- question about a nelson tune?
- Ck Engine Light, High Idle!
- Looking at a tune
- '89 Truck Tuning Question
- problem after ported tb install
- Nelson Tune ???
- Tuning Question
- Live tune in Wi?
- AWD Dyno Shops?
- custom tune ?'s
- Couple questions
- Idle and drivability problems...
- HPT tune file for 5.3 w/ LS6 cam?
- changing battery
- 2008 Nbs Tuning F/i
- 2006 5.3l Auto W/ Headers-ls Hot Cam.tune Help.hp Tuners Preferred
- HpTuners and WB
- PCM Questions
- Does any tuner have the 07-08 ECM's in stock
- What program does Nelson use?
- Cannot figure out how to avoid REP mode when hitting 5600RPM
- Nelson tune
- Nelson performance
- whats the odds pcm programming
- start-up/idle issues...imagine that?
- Another happy Nelson customer!!
- codes
- tb bypass
- t56 6th gear cruise control
- Ls1 99-05 ECM amp draw?
- add 2bar files to the histogram ?
- Fuel system lean DTC
- Nelson performance
- bad "popping" sound from exhaust
- best Tuning program?
- "Tighten fuel cap"?????
- Tuning and Shift points?
- Need HPtunner or Tech II Tool in San diego
- Dashhawk - crankshaft position relearn???
- check this out!!
- Iphone Dyno
- 0411 PCM in OBS
- Tuning suggestions
- Safety Recall
- Colder weather affecting AFR?
- help with nelson tune?
- Crank position code
- Tune with cats vs. without
- HP Tuner in Alabama?
- nelson performance vs. Superchip
- installed nelson tune
- Anyone wo tuned a Lockup converter please help
- Hard shifting after boosting.
- Live Tune Or Handheld
- Tuning
- HPT or EFIlive?
- LQ9 drive by wire to cable
- Nelson tune on a 4.3 liter?
- Cold weather-my a/f leans out too
- V6 Performance
- Help Needed! 4 Codes after Retune
- p0507
- 40 pulse
- Hp Tuners
- I'M no tuner but sure need somehelp. :)
- speed limiter
- Offroad Y-pipe.
- Code po174/po171
- DTC Troubleshooting - Ses Light - Engine Light
- EGR turn off in tune?
- 02 sensors
- 60lb and HP tuners
- newbe
- New Gears
- Hey Allen: Why would my P0420 be disabled?
- traction control and stabilitrak
- Ecm
- thanks to nelson
- Hey Nelson
- Po342
- Catalyst & Evap not ready, need help!
- How much TM removal?
- 2003 5.3 misfire problem
- Just Wondering No Volts
- Check engine light.
- crank relearn
- new wideband hits the market. Special 189.00!!!
- Performance tune in Michigan
- Performance tune question
- Pcm Help
- Buddies truck acting up
- EFI Live Tune
- UEGO Wideband AFR Controller... HELP!
- Nelson Family
- Would it be worth it?
- Tune and emissions inspection..
- Converter wont stay locked
- Efi Live
- ZO6 camshaft in 5.3 pcm tuning needed
- PLX Wideband
- Tuning help
- ses light wiring
- Attn: Allen :thumb:
- New tune error codes
- Not doing re-tune after gear change
- Service 4WD
- Nelson tune question
- couple shift questions..
- P1125 DTC code Any ideas?
- Nelson tune + CAI on 2005 5.3?
- Paging Allen Nelson
- Tuning
- I need help with a Nelson tune.
- Very dumb Question here
- 06 2500hd help