@bentune: after digging in to this 2003 Yukon Denali, I discovered an odd issue that I've only encountered a couple times prior. I was unable to read/wright the ECM, which is not too unusual in these p59 vehicles, due to the nature of their electronics. when you incorporate aftermarket radios, alarms and keyless entries it causes issues that require breaking out the bench harness to flash updated tunes. this one however was not going to cooperate. upon removing the ECM I discovered the dark, oily truth...😂 #bentune #hptuners #gmc #mechanic #tiktokcarhackscampaign

Bentune Performance
Bentune Performance
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Region: US
Thursday 18 September 2025 15:34:09 GMT
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christruckdude7387
Chris Minarik :
Ive had 3 yukons that just will not flash unless its done on the bench
2025-09-18 16:49:49
0
rex2slow
Rex2Slow :
do you do remote tunes by chance?
2025-09-18 18:03:52
0
otisday0
Otis :
1ST PHORM!!!!!
2025-09-18 20:41:01
1
joe_sticks
Joe_sticks :
You got two profiles? Been following you a while, another profile with your videos popped up on my feed this morning
2025-09-21 12:43:42
0
chief_buono
Chief_Buono :
it always amazes me how oil will wick all that way due to a failing seal in the oil pressure switch.
2025-09-18 16:49:20
1
chrisconner73
Chris Conner :
Where are u located?
2025-09-22 21:04:13
0
stevenelderkin647
stevenelderkin647 :
I'm looking to convert a small block Chevy 350 from carburetor to Port type EFI. any recommendations for a reliable systems? I was looking at the Edelbrock pro flow 4 system.
2025-09-18 18:45:55
3
tannerjames316
Tanner Smith :
Does street tuning net the same results as a dyno tune?
2025-11-12 01:35:20
0
rando19999999
(null) :
Man that DUB badge brought back some memories
2025-09-18 17:08:32
5
scufasteve
Steve :
I just had I P59 Cam tune. I couldn’t find the problem child on the class2. Had to bench flash every revision. 💩
2025-09-19 00:03:11
2
user3811660870816
user3811660870816 :
Same thing happens with DEF fluid on diesel you wouldn’t believe what it does to wiring
2025-09-19 23:00:12
1
american_marine1979
American_Marine1979 :
Mechman alternators are hot garbage. They're known for using bad voltage regulators causing all kinds of issues.
2025-09-19 23:41:21
1
city_billy
CityBilly :
Im reading my afr through my ac sensor its not 100 % accurate but its getting my maf dialed in ..is it worth buying pro link? its a 99 trans am how important is the accuracy can I get by ok with what im doing
2025-09-21 23:02:41
0
the1aol.com1
The1 :
Can I drop mine off for just a tune.
2025-09-22 12:10:05
0
chopper_heathen
Chopper Heathen :
I've had a couple that I had to disconnect one of the plugs under the dash in the driver's footwell. I think it was the brown plug. won't read or write plugged in but won't run if not plugged in. yiu can log data tho at least. real pain to tune those
2025-09-18 20:38:09
1
johnny833west
Johnny Griffin :
I will like to bring my truck
2025-09-18 16:24:20
0
bradpreece948
bradpreece948 :
Cracking up at the intro to the video
2025-09-28 17:19:22
0
_sniperjj10_unitato
UNITATO :
GAAARYYYY
2025-09-20 00:40:34
0
mynameaintlisa
Stewie :
Gary says “get er done!”
2025-09-18 21:26:31
0
casselthief
casselthief :
Hi, Gary! Is Gary the shop manager?
2025-09-18 18:51:06
0
cavecat7
Cavecat7 :
Don’t plug the radio in 🥂✌
2025-09-19 13:43:06
0
johngrossman4
John Grossman :
nice hat
2025-09-20 13:37:23
0
mitten_performance
mitten_performance :
Yea I bench harness all 99-06 po1 p59 ecu
2025-09-28 08:05:54
0
brit1096
Britt :
I had one that had an alarm tapped into the purple wire on the OBD. Took me a while to figure it out
2025-09-19 05:13:51
0
1966badnova
Adrian B83 :
can you video the street tune?
2025-09-18 18:37:16
0
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