- Code P0068 and Safe Mode
- Need help with issues...
- Harness rework with factory IC
- Western WA tuners?
- Help! Stutter and Misfire at idle and wot
- Data Log and Boost reading HPT?
- Tuner sugestion
- 5.3 p0300, fed up!
- Retune VE after injector upgrade?
- Quick question on retunes
- Ordering tune for LS1
- Exhaust Popping during Idle Need Some help.
- Strange misfire.
- Timing Swings
- Cannot read ECM
- Fans do not come on with A/C
- LS1 MAP or LS3 MAP?
- Car running lean and stumbling diagnostic gurus please
- Starting and idle issue
- Pinouts needed
- 2bar map on HPT w/3.0
- Could someone look at my scan and see if anything looks out of whack
- P1336
- Do I need a new tune?
- questions concerning harness mods
- need raw bin -- HELP
- Idle hunt/dip on coast
- crazy misfire
- Wide band O2 sensor
- Rewire coils for 1998 trans am?
- No Freaking Spark!!! 411 PCM from Express Van
- Ecu/tcm ccompatability questions
- Code scanner not reading the ECU
- 01-02 DBW TB only moves with engine off
- Idle hang with a/c on?
- fast xvi on the street
- 94 Camaro, Can't retreave codes
- New stroker rebuild, tsp tune, car only idles with MAF off
- efi live tune
- Tuner recommendations within 2hrs of DC area
- 2005 5.3 express no start.
- Do I need to weld in an extra bung for tuning with cats?
- 1998 drop out in a 2002 camaro z28 help!!
- Flex fuel Silverado
- HP Tuner question
- Replaced A/C, now car dies when you turn it on
- LS2, engine dies without warning
- factory ecm
- 98 to 99 ecm and harness
- 1800-3000rpm Dead Spot
- Wideband ground hptuners pro
- IAT and speed density question
- 2004 5.3 vortec O2 sensor MV/switching q?
- Car running rich at idle
- Ignition coils
- What's the best laptop to use with hp tuner?
- Special crimper?
- Not getting full Spark Advance on WOT runs. Why?
- Safe WOT A/F Ratio for Circle Track Car
- Identify plug - E40 Harness
- Frost tune is awesome
- Cat problem? Any help/suggestions?
- TUNER in HAWAII
- Need some help getting car to idle after Heads/Cam swap
- Swap project question.
- Upgrades done
- Quick dyno tuning question
- LS2 injectors 12569113
- no start after reflash hp tuners
- Need Tuning Help in Seattle WA area (if current tuner falls through)
- Need of injector data?
- MRK Motorsports 98 to 99-02 PCM kit
- MRK Motorsports 98 to 99-02 PCM kit
- C5 408 turbo cranks will not fire, has spark and fuel
- C5 408 turbo won't start
- Ethanol content sensor with 3 bar
- PID for LTFT Bank 2?...and others!
- Tuning Software/Aftermarket ECU
- New wideband bouncing around and reading erratic on VCM scanner
- 5.3 with manual and 04 lg9 ecm
- LQ9/LS2 Spark Advance
- Built 5.3 issues
- P0102 in 05 cts v
- STFT different bank to bank
- Only 18* of timing at WOT? 0 KR.
- Any remote tuners anymore?
- Vats disable security light still on
- coolant sensor
- safe to run with no o2 sensors
- Any one trys Fgtech v54
- 67 Skylark 5.3 swap dumb questions!!
- Help tuning 5.3 with hptuners
- No fire on one cylinder, NEED HELP....
- Need some tunning help in HP tuners
- Deatsch werks injector data
- Please!! I'm desperate!! Where is the PCM fan signal wire on a 2000 Camaro???
- Wideband
- Segment Swap / OS Swap Question
- frost tune, relearn after dead battery?
- SD and emissions
- 01 trans am ws6 tune
- Target Afr values
- got a question about pe and fuel trim cell hp tuners
- The 2-3 shift "clunk"
- vcm scanner issue
- Mail order tuning ?
- Parallel PCMs?
- LS1 pulling power out of a stock motor with a tune?
- Conversion PCM/Wiring questions
- misfiring not running right after rain
- LS1 not running, starting problem... SOLVED!
- Drive-by-wire conversion to drive-by-cable
- P0300 after LT header install
- P0645 Code 2000 Camaro No A/C
- TCS Spark Retard Signal for NOS IGN retard ??
- "Segment Swap| in my PCM.......4L60E to 4L80E transmission swap.....????
- Help! Fixed CEL code items, now stalls out!
- What to have rev limiter set at
- HP Tuner VCM showing 0 misfires
- pcm questions
- Need some help
- Car alarms
- Switching to EFI
- TCM Compatability
- Mail order tuning with boost?
- No pedal response: LS2-swap 951
- running AFR to HP tuners without EIO, using AC PID
- Swapping to a 4l80e, how to i know what my tune is set up for?
- switching from stock 26lb to stock 28lb injectors
- TCC lockup when cold, not when hot
- LS1 GTO OTR MAF questions
- A/F Ratio: 408 ported dart 225 changing to tfs 245s
- Replaced Knock Sensors, now getting 2 codes.
- Air/fuel ratio problems need help please!!!
- Surging/won't idle
- CASE Relearn Solve My Problem?
- Stalling Issue LQ4
- Newbie here... Need help with my LS3
- LQ4 cam swap, First fire question...HPTuners
- lsx engine not liking to idle after hot start
- 1998 Camaro z28 won't start after Hp Tuner installed!!!!
- bank 1 fuel issues
- How do you set up AFR error histogram in new HPT 3.0?
- Looking for help diagnosing Poor Running 5.3 - Log files attached
- help me with knock retard
- Help with weird O2 function in CL vs OL....
- !!HELP!!! Anyone know of a good tuner in or around Springfield,Mo.
- E38 wiring diagram
- Programmers
- best price on Holley Dominator EFI
- LSx Cranks & Runs For A Second dominator efi
- Look at my tune 1/4 mph low
- E38 and ID1000 injectors
- How does A4 pcm determine its in P/N or in gear exactly?
- 383 Stroker Rev Limit
- Fuel trims are high,is it a vacuum leak
- VE Table Airflow Correlation to Horsepower?
- horsepower vs fuel
- Chasing ground...
- Tune/parts planning
- 224/227
- Help injector offset
- 10-12psi... MAF or 2bar SD?!
- tune question for after cam swap
- 98 Trans Am won't idle, hard to start
- wiring question
- Harness conversion ?
- idle surge after swap - MAF culprit? HPT, LY2
- Efi live e38 valet mode?
- Predator Noob
- WOT issues HP tuners
- Putting truck back to stock quick ?
- Methods to pass OBDII inspection
- Please Help
- Changing engine info that can be taken from the ECU for Racepak dash?
- Engine stalls when coasting to stop
- LY6 conversion e38 ECM initial start problems
- Lq4 no spark but power to coils.
- Turbo LS1 smokes after WOT pulls
- no idle , surging tried multiple things
- 98 3800 Fbody -HP TUNER -Unstable idle
- My cars speedo works. My scantools speedo doesn't. Help please
- What kind of process is required when switching from 2 bar SD to 3 bar SD tune - HPT
- E38 or E40
- Question about HPTuners log
- EFI Live No Vin-License Slots Available
- E40 ECM Flex Fuel Pin
- Tuning and Deletes
- Wideband O2 VE Tuning Issue
- Tuning for fuel mileage being the main goal.
- What tables/offsets make up the duty cycle reading in hp tuners
- Low vacuum an issue with 0411 ecu?
- crankshaft relearn possible with spare ecu sent to frost ???
- E38 2008 Corvette C6 NOT READING O2's unless commanded
- 1997 S-10 stock tach ppr?
- Horrible gas mileage from 02 ss
- Map maxed out at 50kpa?
- Having trouble with 3 bar map sensor
- Need some E67 ECU help with Serial Data
- 4L80e WOT lockup
- P0300 injectors?
- P0161 Oxygen sensor code
- Tuning saga.. tuner said possible bad PCM?
- Gen 4 PCM in a Gen 3 car
- Who can I go to for a decent base tune?
- ls1 trans am
- 85mm mass airflow sensor
- P0106 & P1516 Engine Codes
- HP Tuners with Windows 10
- modded 5.3 silverado tuning issues
- holley v4 flex fuel
- P0101 code and damaged 4l60e tranny
- LS1 SD tune and CA smog
- HP Tuner VCM 3.0
- Help LTFT
- Self learning tuner
- Idle still surging after th400 vss install
- Lsx427/ Holley efi
- HP Tuners Pro with Email Tune Save $100
- Holly or MS?
- Can't get solid rpm signal/no start (MS2 extra, lm7, 80lb)
- idle surging from timing glitch - HPT
- 99 and up ecu conversion on my 98 fbody
- Tuner near eastern ky
- Ltft
- HPTuners tuning question
- Code P1682
- 4L80E swap tuning help
- When is a wideband required?
- 05 GTO Fan Tuning
- free scan software?
- Mail Order Tune/Fast Idle
- Express Van ECM 411 conversion questions
- Help with tuning for 42lb injectors.
- Ls3 maf on 2000 fbody
- Surging when Coasting
- 1972 c20 lsx swap help
- Ls3 & 6a
- Lsx engine starts fine cold but after driving it starts then dies
- its 2016. still no free way to do basic tuning?
- How should I go about tuning for an LQ4 swap?
- HP Tuners Drivers......
- mail order tune with Diablo intune
- "bricked" or "tunerlocked" 0411?
- hp tuners DFCO tuning
- U1040 and Occasionally U1000
- Speed density and 4l60e
- new laptop needed for HP Tuners
- 4L6E Software Interface doesn't work - Run-time error
- tune issue?