View Full Version : PCM Diagnostics & Tuning
- car help
- rpms hang in netural
- a new way to tune long distance?
- Dtc's After Rtt Upgrade In Hpt
- P131 - HO2S Keeps comming back!
- Timing/ Boost table??? HPtuners??
- USB driver setup??
- "Popping" Under Acceleration
- 98 PCM died..replaced...reflashed...now speedo is way off and tranny wont shift
- PCM connection
- codes...need to pass emissions ASAP
- 4.5* of knock retard.. effects?
- Idle and BRAF
- What pcm will work in a 01 Camaro
- My WOT fueling is different day to day??
- ses codes
- car wont start
- Pls. explain the benefits of SD tuning to a newbie!
- New tires screwed spedometer...fix?
- New to EFILive and need help
- Plugs
- Fast XFI and HPTUNE differences
- All hell broke loose on the way home
- reading fuel pressure in hpt
- Ecu
- Have converter and gears etc: Still have the dead spot @ 40MPH.
- Guys with Predators COME IN! Plz
- SES light flashing ???
- Bs3??
- ABS, TCS, and Service Vehicle lights with codes
- FAST efi xfi engine management
- DTC on 1998 Trans Am!
- Problems reading PCM?
- Converter acting up... trying to lockup at WOT
- BS3 vs. HPTuners
- Altitude changes
- Vapor Lock symptoms?! Need help (long post- ongoing saga)
- Is there a simple way to just cut back my timing across the board?
- H/C vs Cam Only Timing
- Rescaling MAP values for 2 BAR
- SD Custom OS
- Tuning out 2-3 T/C lockup?
- How to clear vin out of Hypertech Programmer?
- Lights kill my car?
- ultra sensitive VE's?
- C0281 Stoplamp Switch Circuit
- HP Tuner help
- RTT bug with new HPT?
- Backfiring
- how to get a brake code
- Detonation
- i need help!!!
- A/C Causing Weird Problems anyone else have this?
- KR When MAF is Operable
- Taking out PCM
- considering HPtuners
- How well will the car run with no tune?
- Car runs poorly with MAF Translator.
- Inspection
- HPTuners, IAC, and high idling problem.
- Speed density tune????
- EGR input for wideband on LS6 car?
- Datamaster usage question.....
- HPT Custom OS MAF vs SD
- Bosch wideband...tuning?
- Freakin LC-1 is taking a dump - again!
- Electromotive (TEC-3) computer
- PCM Interchange
- Narrowbands, and wideband.
- hp tuners for duramax?
- Computer's
- Air pump
- 42-43 degrees timing at 68-70mph, normal????
- Air bag light stays lit
- What is the different ?
- Thinking about descreening your MAF? Think again...
- Reset PCM to learn new o2???
- WOT A/R ratio
- o2s drop to [0] and ecm goes open loop,
- Any ideas over here???
- MAF Translator
- Car wont run in SD. Dies without the MAF!
- RPM gauge not working
- Bank 1 ignition not firing
- Speed Density???
- Gen 7 KINGS need some help !
- SW headers,3" duel ex.=dtc P0050&P0056 ?
- motron 60# injectors....
- Where in US is HPtuners located?
- Check out my idle PIDS and give me your input..PLEASE!
- HPTuners Real Time Tuning...
- Current HPT MPVI Pro upgrade lead time?
- Hypertech Power programmer III
- Cant get EFILive to retrieve info from pcm
- electrical gremlins!
- What Happens When the VE Table Doesn't Agree With the MAF?
- what should my AFR be?
- HP Tuners: VCM Suite 2.1.12 now available!
- Anyone else program their fans to stay on after the key is off?
- Injector Flow Rate and tuning?
- 2000 Chevy Pickup P0300 & P0153 codes
- Can PREDATOR disable Rear O2 sensors on 2005 CORVETTE , without custom tune ?
- Hesitation
- IAC counts in HP Tuners
- Engine Temp
- LC1 Voltage Offset / Correction
- ABS DTC Readers / Software
- Not running right, HELP!!!
- EFILive Custom Nitrous Tuning
- DFI gen 6 HELP!!!!!!!
- SES light multiple codes
- Miss fire but no ses
- p0412 code, secondary air valve malfunction...please help
- p0412 code, secondary air valve malfunction, help
- low idle with maf plugged in
- Radiator fans stayed on
- 383 stroker only cranks with a scanner pluged in????wtf
- Getting a dyno tune.
- detonation?
- stumbles, backfires and then dies
- DTC P0172 has shown up
- Real lean while coasting, what can I do?
- Torque Management programing
- '98 Tuning. How many.....
- Idle and start up problems. please help.
- Best tuning software?
- Just got HP Tuners
- No serial connection on my LM-1
- will a Predator for a 99 M6 f-body work on a 2000 M6 f-body?
- Will it run ?????
- the new inspection stuff
- H/C/I on 02 Z06
- ETC Area Scalar ajustment...
- New 2 tuning world. Couple of questions.
- Problems with gears/programmer.... can anyone help?
- why do i see different AF ratios on my wideband in different gears?
- Where can I get a reliable tune or computer edit for my '00 SS? i need one!
- here's how to fix rpms dipping when coming to a stop
- Still no start.....What's the issue?
- Problems with transmission shifting.....Please Help!!
- Reset computer, how long will it run bad?
- a/f ratio... did i get a bad tune
- Unlocking converter in 3rd gear under part throttle
- Need Help!!!!!!!
- Low Perforamnce and No Idea Why. HELP!!!
- Tuning issues
- another LTFT thread..
- EFI Live Shortcut
- Idle/rpm falls almost to dieing while in Open-Loop
- yes im dumb
- racetronix or Disc injectors...
- What engine parameters does a ported throttle body affect and how?
- LC1 Sensor dead?
- Software upgrade on my PCM
- Vague LS1 Edit Tune Question
- Tuning issue????--Graphs enclosed
- how rich is 940mv's
- What else could cause idle hang?
- Still having some problems, help!
- Change diagnostic connector and cable
- Painless harness swap
- Anyone Recently Purchase HPT?
- Tuning for corn gas?
- Diagnostics port
- LTFT tune puts a VE cell at 0?
- Induced MAF failure = shifting out of park HARD on cold starts?
- HPT question about 3 bar
- Ses
- 30 hp increase with a tune?
- Trying to Set Idle Higher?
- Dip in Power Any Ideas??
- Good shops in NJ for a tune
- should my car be surging?
- Idling too high after cam,heads & intake install
- ignition breaking up?
- Installed Heated 02's, now it runs lean?
- Need FAST EFI Dashboard sensor descriptions..
- Can I still tune???
- 3bartune
- wideband question
- Troubleshooting? check this out
- Firming up shifts?
- P0172 & P0175 before or after cats
- Motor rev up fast but come down slow ?
- Quick HPTuner question
- trans wont shift
- A Quick Question For Novice Tuner
- Ses Light Question
- can you reflash and keep aftermarket tune?
- Some crazy O2 switching problems under part throttle.
- Needs Programmer To Get More Out Of My Procharger
- Car runs ruff now, Edit tune 1 year ago
- Car has issues that are driving me insane!
- How to change the maf table
- LC-1 question
- PCM Swap
- DAtamaster SuPPorT
- Need some help bad!!
- is pcm fried
- Injectors... and stock vs Disc
- SES Light code 153..Help! O2 sensor drama!
- p0300
- Dynotuning
- tuning ?s need some help
- throwing 6 codes-- yikes
- P0107 ?
- Throwing a Code
- tuning a GMS maf
- How did everyone learn to tune
- maf sensors
- Can new O2 sensors make your car run leaner/richer?
- Running Rich
- lc-1 help plz
- timing
- cars shifts in 3rd and falls on its face
- 3 years in the making now how do i tune it???
- LS1edit -> HP tuners -> LS1edit tuning confirmation needed!
- PCM locked, PCM in unknown state, seed not accepted ?
- Accel dfi gen 6
- Change PCM pin assignment with HPT/EFI Live
- Recover PCM
- Please answer this once and for all...
- Will a bad Cat make you run rich?
- help
- Please Help, feels like i'm towing a yacht
- MTI or Connely's for a tune?
- Running Rich?
- Granatelli MAF fixes A/F!
- Injectors not firing
- my roll to 137mph run
- Ballpark my WOT timing
- 160 thermo temp swing, tell me what the
- Speed Inc.?
- Question about HP Tuners
- Racetronix fuel systems + 36lbs Injectors = Change in tune ?
- TM Question, Spark Retard vs Torque Reduction
- SES Light Flashing, PLEASE HELP!
- wtf? did my car somehow loose its tune?!
- Can tuning be done this way???
- MAP sensor readings
- Help me set up my TC lockup tables on HP tuner software?
- ?? Tuning Ltrims with HP Tuners ??
- P0140, P0160, P0412....
- How difficult is hp tunners?
- Cheapest way to change fan temps?
- HPT Question, Desensitizing the knock sensors..
- using atap
- change oil light is on?
- wiring up alternator with fast
- Bi Fuel Engine Building/Tuning