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2 Minutes Ago

Chris miller replied to a thread Help with TUNE in GM V8 Tuning - Engine, Gas (Gen 3)

LOL I have the passenger header hitting the frame that produces false knock. i have been reading and reading and I think i am getting somewhere. ...

116 replies | 2602 view(s)

53 Minutes Ago

MarcWolfe replied to a thread Harness repair (just day job stuff) in Lounge

The wires were resting on a sharp edge of something that vibrates. Like a Cadillac I had to do similar on because somebody did work and didn't...

2 replies | 95 view(s)

1 Hour Ago

ns158sl replied to a thread LQ4 swap surges and goes into and stays in Open loop/Accel on tip-in in GM V8 Tuning - Engine, Gas (Gen 3)

How many DTCs have you turned off?

5 replies | 124 view(s)

1 Hour Ago

ns158sl replied to a thread Gen3 6.0L with 4l60e and truck Norris cam all stock except Cam and mid-length headers in GM V8 Tuning - Engine, Gas (Gen 3)

wait this is a customer, like someone is paying you for that toon? Im surprised you would post those logs and cal's if that was the case lol....

15 replies | 252 view(s)

1 Hour Ago

Kbs Toy started a thread Lt1 to lt4 swap in GM V8 Tuning - Engine, Gas (Gen 5)

I replaced my blown 2015 corvette lt1 with 2019 corvette z06 lt4 . Used the z06 wire harness. Can not get the motor to do anything. Have the 2015 ecm...

0 replies | 22 view(s)

2 Hours Ago

abc replied to a thread Gen3 6.0L with 4l60e and truck Norris cam all stock except Cam and mid-length headers in GM V8 Tuning - Engine, Gas (Gen 3)

Looks to me like it's too rich most of the time, idle spark looks to be a mess, your almost out of injector, that's just the first few issues I see...

15 replies | 252 view(s)

2 Hours Ago

Ben Charles replied to a thread I am loking for a tunner in GM V8 Tuning - Engine, Gas (Gen 3)

What issues are you having?

2 replies | 81 view(s)

3 Hours Ago

SiriusC1024 replied to a thread Help with TUNE in GM V8 Tuning - Engine, Gas (Gen 3)

04silverado6.0 already fixed the injector data for you and added a few other good changes. Let's take that file, make a few more improvements, and...

116 replies | 2602 view(s)

3 Hours Ago

Chris miller replied to a thread Help with TUNE in GM V8 Tuning - Engine, Gas (Gen 3)

fuel pressures at the rail, idle 46, and WOT 56 . Installed new fuel pressure regulator and the readings were 1-2psi off. measurement done with dial...

116 replies | 2602 view(s)

3 Hours Ago

NERDBIRD replied to a thread LQ4 swap surges and goes into and stays in Open loop/Accel on tip-in in GM V8 Tuning - Engine, Gas (Gen 3)

Yes we have checked the crank sensor wiring to ECU and replaced the sensor. Still has the same issue.

5 replies | 124 view(s)

3 Hours Ago

twenglish1 replied to a thread LQ4 swap surges and goes into and stays in Open loop/Accel on tip-in in GM V8 Tuning - Engine, Gas (Gen 3)

Since it appears to be affecting both banks equally, fuel pressure is good, not seeing any knock retard, throttle position holds steady, wondering if...

5 replies | 124 view(s)

3 Hours Ago

NERDBIRD replied to a thread LQ4 swap surges and goes into and stays in Open loop/Accel on tip-in in GM V8 Tuning - Engine, Gas (Gen 3)

Fuel pressure is good running about 58 never dropping

5 replies | 124 view(s)

3 Hours Ago

twenglish1 replied to a thread LQ4 swap surges and goes into and stays in Open loop/Accel on tip-in in GM V8 Tuning - Engine, Gas (Gen 3)

It almost looks like misfiring really bad, on multiple cylinders when underload, O2s flatline nearly the entire time its surging. Now the question...

5 replies | 124 view(s)

4 Hours Ago

MeanMike replied to a thread 2020 GMC Sierra and Flex Fuel in GM V8 Tuning - Miscellaneous

The 19+ trucks use a 4 wire 3 phase pump. DW makes a 440 brushless pump that looks like it would work. I'm not sure if the factory pump driver can...

7 replies | 3066 view(s)

4 Hours Ago

MeanMike replied to a thread L8T Swap super lean/VVE issues in GM V8 Tuning - Engine, Gas (Gen 5)

Did you use the injectors that came in the L8T or swap in your 6.2 injectors and hpfp?

4 replies | 1143 view(s)

4 Hours Ago

LS ROB replied to a thread fan will not turn off in GM V8 Tuning - Engine, Gas (Gen 4)

Try putting a 0 instead of 10 in the 195.8 column on 18030 - Fan Desired % vs. ECT: Desired Fan percentage for a given engine coolant temperature.

3 replies | 77 view(s)

4 Hours Ago

DC12VOLT started a thread LQ4 swap surges and goes into and stays in Open loop/Accel on tip-in in GM V8 Tuning - Engine, Gas (Gen 3)

I am tuning and troubleshooting a stock LQ4, P59 ECU, and TAC module out of a 2003 Envoy swapped into a square body pickup with a TH350. The customer...

5 replies | 124 view(s)

4 Hours Ago

H3Tex started a thread How to set 58psi injectors for a 44 psi system? in GM V8 Tuning - Engine, Gas (Gen 4)

Is it as simple as multiplying the flow vs pressure table by .88? Thats the % difference in pressure square rooted. Are there other values that I...

0 replies | 25 view(s)

4 Hours Ago

LS ROB replied to a thread Reving at idle won't idle down in GM V8 Tuning - Engine, Gas (Gen 4)

It does look lean all over. That exhaust leak looks like it may be on bank 1. Add Dynamic Airflow, Volumetric Efficiency, Mass Airflow and Mass...

11 replies | 246 view(s)

5 Hours Ago

GrannySShifting started a thread Why is this 6L80 shifting wierd WOT in GM V8 Tuning - Transmission

It was previously tuned at some place but all over the limiter every gear WOT, slid into gears like burnt up part throttle.. Ive found a bunch of...

0 replies | 28 view(s)

5 Hours Ago

shakenfake replied to a thread Reving at idle won't idle down in GM V8 Tuning - Engine, Gas (Gen 4)

Hey it drives now! Seems to want to die when coming to a stop however, trying to figure that one out now. Per fuel trims it looks like it is dumping...

11 replies | 246 view(s)

5 Hours Ago

J_schwaa replied to a thread L8T Swap super lean/VVE issues in GM V8 Tuning - Engine, Gas (Gen 5)

Is this a 6.2 tune you modified to work with the L8T or did you find a stock L8T file?

4 replies | 1143 view(s)

5 Hours Ago

Rob@HPTuners replied to a thread MAF Tuning Automated? in Ford Tuning - Engine, Gas (Non Ecoboost, US)

I'm not even sure where to begin. I wrote out a whole thing but I think I'm just gonna take the high road on this one and let your post speak for...

44 replies | 1601 view(s)

6 Hours Ago

ag3 replied to a thread Gen3 6.0L with 4l60e and truck Norris cam all stock except Cam and mid-length headers in GM V8 Tuning - Engine, Gas (Gen 3)

Final Scan file with customer. The car was good to drive. I want to adjust the hanging idle for about a second or two on the ETC. I changed the...

15 replies | 252 view(s)

6 Hours Ago

LilSick replied to a thread Is it best to buy direct from HPTuner or from a dealer/distributor? in VCM Suite General

no dodge transmissions have had their own controllers for about 15 years

15 replies | 162 view(s)

6 Hours Ago

bonedoc56 replied to a thread fan will not turn off in GM V8 Tuning - Engine, Gas (Gen 4)

here is the file.

3 replies | 77 view(s)

6 Hours Ago

Eric@HPTuners replied to a thread New Code Patch - PATS Disable in Ford Tuning - Engine, Gas (Non Ecoboost, US)

Update: the following have the patch now. 2015-2022 Mustang GT 2015-2022 F-150 2020+ GT500 On the 15-17 vehicles, there is a central config...

7 replies | 189 view(s)

7 Hours Ago

SVT_Z06 replied to a thread Boost rises with RPM. Should it taper? in Ford Tuning - Engine, Gas (Ecoboost)

Right. I'm trying to understand if that's what everyone is seeing in their logs. Is boost peaking, then tapering off? Is boost flat during the...

2 replies | 67 view(s)

7 Hours Ago

engineermike replied to a thread 2023 mustang 10speed in Ford Tuning - Engine, Gas (Non Ecoboost, US)

Does it have o2 sensor extensions? Are any of the o2 wires touching the header? Are they plugged in good?

5 replies | 85 view(s)

7 Hours Ago

Floggingmiley started a thread 6.0 psd tune review please in Ford Tuning - Engine, Diesel

New to diesel tuning. I?ve done a lot of turbo bmws but this is my first crack at diesel. I?ve owned a few 6.0 so am familiar with the hardware side...

0 replies | 23 view(s)