View Full Version : PCM Diagnostics & Tuning
- Problem at WOT at high RPMs
- New to the game. Need a good Tuner around Northwest Louisiana
- How long have widebands been cheap/affordable?
- Need to Build ALDL connector for 1999 or 2000 Harness
- G5x1 idle
- PCM pin# 57 - BAT. POS. VOLT --What does it do?
- Need Wiring diagram for 08 Silverado
- What's easier to learn for the tuning illiterate?
- where to find a computer?
- Haltech?
- help getting started with tuning
- ls1 harness pics
- question bout hp tuners
- 2000 Silverado 4.8L wont start blows ECM fuse
- Tach output need help ASAP!
- headers illinois emissions
- Car runs for 2 secs & shuts down
- How much timing
- Bench Tune 5.3??
- Bump stop question
- diablo sport??? or super chips??
- Trouble with Vengeance tuning thread gone
- h/c/i bolt on car with a 9 inch needs advice as well as tuner recomendations
- wideband o2 sensor hook up?
- Pcm Reflashing
- Idle surge
- VATS bypass help me!
- trifecta?
- Difference in LTFTs
- Cam sensor timing specs
- VATS tuning
- Can I run a gauge and HPTuners at the same time?
- need help with the MAP sensor problem!!!!!
- Long Term Fuel Trim Question
- Bucking = too much air?
- Simple question..Reseting govoner?
- codes
- What is a good programmer?
- Needing a good tune....
- wtf is going on with my computer??!!
- vats bypass from ecklers
- Change in Elevation and Trouble Idleing
- 402 having trouble idling
- What's the criteria for the EVAP system and O2 sensors to be "ready"?
- Need a Wideband = LC1
- weird problem...
- LT and ST fuel trims locked???
- How to check O2
- help with custom WB pid
- 2002 camaro pcm pin location schematic
- 2005 Silverado SES light
- hp tuning
- Mass air Flow sensor question
- smoke signals?
- Tuning for installing cats? Recommendations so I don't ruin the cats?
- diablo doesnt read key on position
- O2 sensors on individual short stacks
- Fast flash 101 needed
- Perfomance Chip?
- loud pop at idle...?
- How to desensitize knock sensors? HPT
- Speed Density tuning in South Florida
- sds efi?
- Question about mail order tune.
- E-bay Vats Bypass
- Ported Fast 92mm installed
- A4 computer to M6 comp.
- another hp tuners question
- No Start, security and red light flashing
- do i need to go sd or keep the maf?
- Need a tune after stall?
- PCM Tuning
- Need Help With Turbo Tune (Tune and Log Inside)
- Tc after wire mod
- Tuning Guestions???
- what is SPEED DENSITY good for...?
- Getting started with HPTuners, take a look
- Burst knock Retard?
- Tune out !AIR and rear o2s question
- Backfire
- Tuning a Supercharger with a Vinci/Crane Tuner???
- problem with RS232 to USB with tuner cats
- Bad TPS?
- Tune and how much HP/TQ bump?
- BS3 for dummies
- carb with stock computer
- which o2?
- big turbos
- MS4 cam Tune
- ???electrical probs--plz help???
- O2 sensors not connected, no SES or O2 codes
- Hypertech Keep or sell?
- Looking for a base tune to load for turbo build
- Codes are thrown
- can dealership tune my pcm to my 3.42 gear
- need help with cats
- Will this void my Cat replacement?
- how do you delete p0420 code with diablosport?
- Car stays in open loop, runs like crap if forced into closed loop
- flashing ses light
- 12 bolt= codes?
- Idle rpm for California smog test
- roadrunner question for owners
- Car bucking and running rich under part throttle?
- service engine soon light flashing...
- O2 Sensor extension
- help on 02 sensor readings..
- In the market for a new wideband controller - Professionals
- pick a wide band???
- please help with new engine start up
- is it true that it takes more than 45 min. on a dyno to get a good tune?
- Low coolant light??????????
- Treat yourself for the Holidays Porting and Tuning Special
- 4x4 EFI scan tool.
- msd dash hawk
- Newbie Tuning for Emissions
- 99 computer and a 2000' harness?
- LS1 Edit Compatability Issues
- how to tune for following mods with diablosport?
- Help with megasquirt
- GM MEFI-4 Conrtoller Tuning
- Factory Alarm Question
- Backstreet Performance Medina Ohio
- Hptuners expertise needed.. Datalogs inside.
- AIR delete or not? That is the question.
- what should i use to tune????
- looking for scanner/code reader w/....
- Code P0401
- Non LS1 question........ 95 mustang GT tuning
- Logging wideband
- PCM seems powerless
- P0101 Code
- Cobalt ss cold start
- hp tuners
- WideBand after High Flow Cats?
- Map not reading
- Getting a dynotune this weekend. What should I expect?
- po410 code
- LC-1 install question
- 93 tuning...
- My LS2 is not healthy
- timing advance in neutral??
- ECU problems
- can i use a 2000 ecm in a 98
- Mail order tunes?????
- hypertech 3 question
- egr low voltage code
- po300 nightmares scanned with hp tuners
- Does Gearing affect A/FRs?
- does vss have anything to do with idle?
- High octane table
- car in shop may need computer?
- OL vs. CL with LT's
- In Need of megasquirt tune
- Flashing A4 to M6
- tuning question
- help please
- LS1M question
- Help!!!!!P0322
- AFR Vs. Ethanol %
- Www.thetuningschool.com
- IAC wiring
- Can I remove my rear o2 sensors?
- Cold Start Problem
- Has anyone found a way to make the digtal 7 boxes work?
- Diablosport predator help please!!!
- HP tuners used does not work?
- price on used hp tuner or efi live
- 03-05 lq4
- LS1 swap bogging anything other than light throttle
- High idle only with AC compressor comanded on / 05 Vette with APS TT
- 02 Sensor Codes
- 14point7 help
- System Too LEAN!! Need some advice
- bigstuff 3 problem
- possible bad MAP sensor wih no code?
- flashing SES, but no codes to show misfire,very RICH
- Best tuner in chicago area
- Quick HPT question
- aem ems anyone using
- New cam and ported FAST manifold which way on tune?
- 04- CTS-V P0300/PO500 codes..help?
- car wont crank
- Tuning MAF tables
- Tuning Help- High O2 readings
- Where did you learn
- 1990 corvette ecu problems
- Anyone Run Stock Eliminator or Bracket Race?
- DiabloSport 04 GTO Project Car
- replaced everything, rich, still throw heater circuit and misfire codes
- Please review log - Tranny slipping?
- Injector offset
- 2000 engine harness in 1998 car?
- Is it worth it to have a baseline dyno run?
- what are ltft & stft 3 & 4?? #'s very high
- Help learning to tune - Stock 98 TA with Incon TT kit @ 7-8psi
- Help! Odd goings-on in the upper rev range - no codes, nothing funny in the log...
- hptuner adding timing under boost
- E85 wibeband tuning ?
- I need help!! Tuning issues... Spark??
- got question about ignition module connector.
- Tuners
- WB o2 vs. NB o2 AFR....WTF!!
- Help, car wont start. Vats/security related
- Re-tune after major exhuast change ?
- Things That Make You Say....WTF BATMAN!!!!
- Mafless Tune!...
- dtc 1133 freeze frame help!!
- noob: flash tuning
- A4 tune
- Brake related warning lights; help?
- GM Techs need some help
- Voltage on MAP ground circuit
- Self Tuning Easy EFI from fast
- Too technical for me. Please help.
- Changing Auto to Manual
- LT1 tunercat files needed
- Freakin COdes
- A real power pid?
- Going to a 3 bar MAP
- My First Engine Tune (i'm excited)
- FAST flash programmer
- Looking for 2 bar SD HP tuners tune
- how to run nexus wideband into hptuner interface
- auto calibrations for manual?
- What do i need to know before I tune a 98??
- Setting up Sock ECU/harness as "Standalone"
- Cannot Pass Security Codes
- Need help! - Car won't shift to 3rd at WOT
- 60# injector tune
- harlan 2 step instructions
- Ideas/help adjusting my nitrous tune for NA
- Bad tr 230 tune, need to copy one.
- HPT tune for bolt on MS3??
- Theoretical Tuning question here
- o2 sensor Bank1 reading 1105 millivolts
- Changing tach output to "normal" 8cyl output in HPT
- Car still short shifting
- Idle problem!!!
- 2006 cts-v 2bar hp tuner help
- hp tuner pro
- lm-1 wide band smoothing the graph
- If Catalytic deleted...
- Changing to Speed Density
- tuner cat
- Need 99 Harness info
- P0102 MAF question
- oil pressure wire pinouts
- Elect system
- OBD II Question....Help