Forum: Diagnostics & Troubleshooting

Hey guys, I'm trying to pull knowledge together from multiple forums. Can I please refer you all to this thread? ...

Im just curious what kinds of problems or if any could be caused by having low voltage at the coil packs?

Ok hopefully I don't confuse to many ppl here. Month ago I picked up a lexus ls400 with 5.3 swapped turbo. I got around to do a little work to it and...

In my 05 AWD SS Silvy, I've been hearing a buzzing/vibrating sound coming from what sounds like under the cab. I'm afraid it might be a bearing in...

So last night my driver side rear hard line rusted through last night so I took the opportunity to replace all of my rubber lines with my stainless...

Does anyone know what the cooling line pressure is on a stock 4l60e trans? Thanks.

Just swapped from 4.3 to 5.3 in sons 07 classic. Everything went perfect thanks to all the info on this site! Blackbear did the module for us and all...

hey can someone link me a diagram of the vaccum lines for a 99 silverado 5.3? i replaced my intake manifold gasket and plugged my egr correctly but...

As the title says... Here's what I have. 92 camaro with 2002 5.3 Tahoe engine swap done by myself. 5.3 is automatic, ls6 intake swap. Ls6 coil...

Hey guy i'm looking to buy a truck i have to in mind one a 2000 lowerd with a few custom mods and a 4.8 the other is a 04 with 6.0 and new paint buit...

I have an 03 2500hd with 6.0l and the engine light has been flashing at highway speeds of 70+. It seems like if I stay under that speed then no...

Truck: 2004 GMC Sierra Z71 5.3, stock radio with a USA spec ipod adapter, HID headlights and fog lights, CAI, no other mods Issue: Started...

I swapped valve springs on my 5.3 today On one cylinder i heard air getting pass the intake and exhaust valves I sprayed brake parts cleaner into...

ok so I just put a cam in my brothers truck. it's a 2006 1500 with a 5.3 4wd. Nelson tuned the PCM and the truck starts and idles great! as soon as I...

I'm running a lq9 with all the bolt ons and I just finished up my top end swap. I did 243 heads (stock height ) nnbs intake with edelbrock 90 mm tb,...

Ok, so after i replaced my knock sensors and cleaned my tb, ive been chasing an interesting high idle issue. When starting truck, it revs to approx...

I just bought a 5.3 and put in my 85swb, well it's been being real boggish until 4500 rpms or so and I've been thinking it sounded like a fuel...

02 ecsb 5.3 h/c 3800 stall burns up my 80 in about 3 weeks rebuilt it n same thing only lasts about 3 weeks done this about 4 or 5 times factory 80...

my rear knock sensor went out a while back, so i disabled it. And just now the front knock sensor code came on. I really don't want both disabled,...