View Full Version : PCM Diagnostics & Tuning
- Why would a car stumble during acceleration?
- Aleviate bucking not with spark but with fuel...
- Help with system requirements for HPTuners
- 96 lt-1 02 sensor issue?
- How do I get IAC counts in scanner?
- Timing in the top/left. How much just off idle?
- HPT Scanner and OBD2 LT1s
- Need C5 5 Pin MAF/IAT Adaptor for SD Tuning...
- cruise effect and high idle
- 93 LT1 tuning
- Turbocharged F-body LT1Edit users.....
- Undelete after delete ????
- Are you guys adjusting the whole VE table?
- 98 PCM Diagnostic question
- dfco
- Idles surges in gear only after startup
- Stuck in Low Octane table after SD tune, why?
- Idle tuning frustrations.....
- SES Light Won't Go Off
- Burst knock???
- Need help reading VCM
- Car not starting, sometimes
- tune worth the $$$?
- HP Tuners question
- Question about hp tuners" IO enhancement"
- Can you adjust fuel or timing per gear change?
- SES light after converter and shift kit install
- FAST Setups?
- Tuning with HPTuners....Is unpluging the MAF a must?
- What did you set your MAFT at?
- Off Board LS1 Programming Cable
- deleting/resetting codes
- Help-Tach not working......and po342
- Fuel Trims
- Bad 02s?
- need help with tuning sofware
- Off idle and crisp throttle response tuning
- LS2 tuning at home
- PCM RPM limits
- What Is Involved And How Expensive Is It
- Truely different tuning!!
- Prof. Dyno tune or Hptuners?
- CTS-V tunes available?
- Will a basic tune give me .1?
- Jesse Bubb mail order tune.
- tuning ls2 402 knock sensors
- Speedo correction?
- Strange LTFT problem
- What all does the car do in fail safe mode?
- 6.0 litre LS-2 into 01' 1500 pick-up
- Car Wont Start
- ses light
- which one?
- Putting LS2 402 in '98 f-body, do I have to open loop it now?
- Aem
- turbo tune?
- Sputtering at WOT
- Traction control switch
- Service Engine light
- Cold start issue and surging when giving lightgas in first
- Tunes wearing out?
- Gauges reset and car dies while driving
- rev limiter
- need help...possibly looking for a timing table
- E-mail tunes
- my going super rich on decel issue - new clue found
- Blown 50 amp ingtion fuse??
- I'm trying to learn this idle thing.. need some help
- wide band 02
- Do I have to live with this?
- Is tuning required after header install?
- What are the symptoms of a bad O2 sensor
- best hand held
- Has anyone ever reprogrammed their car to act like It's in valet mode?
- P0420 Catalyst code and the Best fix.
- voltage on stock 02s
- Anyone tune a/f ratios for ethanol gas
- VE table
- ltft values are ajusted by 02 s
- tuning question
- crank sensor replacement
- Using multiple Tuning devices danger?
- Knock Retard
- SCT Xcalibrator anyone know about it?
- dyno tuning question
- HPtuners update....anyone
- Is There Any 98 Ls1 Tuners??
- what are the differences between 2001 and 2002 OS?? V8 F-Body
- WOT dyno tuning (hptuners)
- TPSV problem
- BIN REPOSITORY -- UP!!!!
- AFR 205's timing?
- DynoSim
- even if i pull fuel, the trims read the same in this area....
- O2mv converted to AF ratio
- specific SD tuning questions
- Where can I get a '04 GTO A4 .bin file?
- Whats Wrong With My Car!?!?!?
- questin about VE table
- Explain the Theory of the FTC Boundry Enable Temp
- LTFT air/fuel question
- car jerks after cam/stall/tune
- MAP, high input
- Torque management question
- WB Tuning And Damaged Cats
- Making changes to VE table, NOT in SD mode???
- Target Idle Speed M6 vs A4
- system to rich
- 99 C5 egr?
- Duty cycle w/ATAP
- FlashScan V2 Pictures and Info
- How much timing w/ 11.8:1 compression
- Ceramic Coated Spark Plug Wires?
- Wideband to narrowband simulation.
- SLP 85mm MAF: Remove resistor???
- Anyone have some Idle issues after installing 85mm MAF?
- anyone have a bin file for a hotcam a4 for a 2k2 z28?
- procharger baseline tune
- Speed Density tunes
- ls1edt file ???
- losing MPH on 1-2 shift
- What PID in HPtuners do we use to line out IAP?
- Read before you get your LS2 tuned
- lc-1 blowing fuse
- Hard to start, threw a code
- Using Rear 02 harness for WBO2 heater power/ground ?
- OS breakdown Question
- 4.10's and HPTuners..
- Excel Wizzards - Help Please
- CT Emissions
- ever seen this? timing observation / question
- wideband question..??
- idle problems
- FTC RPM boundries
- anybody have a tried and true method to recalculate o2 switch points??
- Which wideband for HPTuners ?
- Flashing a "New/Blank" LS1 PCM
- EFILive Update with 98 Support now
- Ran into a problem with my MAF
- Noob question regarding A/F control
- What do y'all know about the SLP Programmer?
- Fuel Trims
- ANyone with low imp injectors get there car to idle good?
- DTC Accumulation
- Explanation of VE tables in HP Tuners??
- noob question tcs?
- Both Front O2's Sitting Around .450, why??
- Help, service engine soon light wont go away
- Is HP Tuners overkill for a lightly modified car?
- Car stuck in an open loop
- Will EFILive Scan Tool V7 work on a 2000 Grand Prix??
- tuning problem or mechanical
- Maf Translator + maf ends
- knock sensor question
- SD vs MAFless--which is better for MPG's
- Need HPT help in Minnesota - 2001 Z-28
- 171/174 Codes
- More problems with FAST 90 TPIS 90-help!
- Looking for HP bin file
- Where to buy Tunercat OBDII....
- Turbo tuning Share
- One More O2 Question?
- tuning problems
- Code P0154 (O2 Sensor)
- wideband commander users: rpm signal
- Getting a Tuner. Need advice.
- Newbie question on EFILive
- Cranking Fuel table for new injectors?
- timing
- anyone around charlotte or in charlotte...
- Idle too rich with 96 lb injectors????
- Some Tuning Questions
- PE vs IAT
- gm #09359409 is this a valid 2 bar map sensor
- How to setup a 2 bar map w/efilive in sd
- Hypertech Programmer
- HP Tuners to Ls1 Edit
- Maf calibration question
- Anyone have their wideband sensor go bad??
- Initial tune...
- heads/cam idle
- Backfiring on initial startup
- Backfires
- Easiest way to transur a tune (edit)
- Which side is the negative side on the injector connectors??
- Any way to check odometer with tuners?
- What happens if you set switch 3 on MAFT to on?
- idle base sum airflow
- speed density questions
- LS1 running lean after supercharger install, help!
- How bad is KS code hurting performance?
- o2 Idle Issue
- How much will increase in fuel pressure do to Air Fuel Ratio?
- Realtime On-The-Fly Tuning for LS1
- questions a while back about tuning for 87 octane
- LS1 Tuner needed in ABQ, NM
- The need to change Acc. Torque with pulley swap...
- HP tuners "cable not found"
- HPT 1.7 up to 2.0, cable questions...
- installing WB
- ls1edit problem
- The rev limiter wont go more than 6400rpm
- HP Tuners chime IN
- Can I turn this SECURITY light off???
- ? about resetting the PCM
- Sorry for the dumb question guys. Injector duty %age?
- tuning issue, no throttle or part throttle cruise to high mph and rpm...
- is this right? or is the car falsely taking out too much fuel?
- knock retard... quick question
- newbie question...
- Evap
- Engine Management Suggestions for blown LS1 Conversion
- Rough idle
- Which computer
- Cannot cruise at 1200 rpm!
- engine reduced power?
- injector help...
- More timing on FI = lower exhuast temps?
- ac idle tuning...
- Anyone in ABQ,NM have HP Tuners for LS1?
- Hard to learn Hp Tuner?
- Factory shift points?
- HP Tuners and Superchips partnership
- Wideband Accuracy? Which ones work the best?
- What all can you change with the "Tow/Haul" mode on a 2000 Silverado?
- P1133 & 1153 codes after X3
- Proscan Software
- Predator tuner that comes with P1sc
- Remote Entry
- Tuned with EFI LIve, still rich
- Converter Tune
- Read Me First - bad links
- How do you tune for boost-referenced fuel pumps?
- PCM problems
- OBD 2 Tuning Software?
- AFRs 20% lean for 5 - 10 min on startup
- HPTuners help
- ???Is there any write up on making LC-1 wideband work with HP Tuners???
- engine bogging down
- Runnin Rich
- Would this idea work, and if so, how would I set it up?
- P0300 after Trex install, i've check about everything!
- Does LS1edit allow you to adjust the VE?
- Fan switch
- LS1 Edit Question...
- handheld tuners
- T-rex...
- Need Help With Gear Change
- Can you add a car to HP Tuners?
- What do the readiness states need?