Forum: Diagnostics & Troubleshooting

I replaced the 4.8 with a 6.0 with 130k on it from a 2004 yukon into my 1999 ecsb 4x4. I love it and it runs awesome! Its been in there for around...

So I was cleaning up some wiring today, making sure everything works, and I found my fuel pump is inop. (89 K1500) I have power going to the relay,...

We got this truck here and it's probaly one of the top ten trucks we have diagnosed. No truck is hard to figure out some are just more time...

I have an 05 rcsb with a 4.8, Nelson tuned. Cai. BBK throttle body. Truck runs great but when it comes to an idle sometimes dips to 300 rpm or so....

I have a 1999 ecsb 4x4 with the 4.8. It now has 236,000 miles on it. I had one of the heater hose quick connects blow out on me yesterday, luckily i...

Does anyone else on here with a 2014 or 2015 Silverado or sierra have a rattle in the dashboard coming from the plastic panel that houses the...

Hey guys I have a 02 2500hd. I have code 327 and 332 after washing engine. I replaced both knock sensors and the harness but the codes both come...

1999 4.8 engine, anyone kn ow off hand what size the bolts are that hold the bellhousing to the engine? I have to pick some up to bolt the 4.8 to the...

Alright so this past sat I hit a huge pothole in these f*** up Houston streets and I believe I damaged my oil pan pretty bad could that cause the...

I somehow keep getting water in my pcm harness on the blue side. It keeps causing my fans to kick on even when truck is not running and drains my...

So we got my truck finished and running, a few little things. My builder wasnt able to get my lights, ( headlights, lamps, inside, gauge cluster...

So I own a 2003 silverado that originally came with a 4.3,I converted it to a 5.3 out of 2004. The engine came with the harness and computer. I had...

I Hey folks After searching around for the last couple nights I've come to the conclusion that it was time to get your guys opinion. I have an 04...

I have a 5.3 T56 conversion in a 92 full size. The truck has had the engine transmission in its current state for a few years and has been 100%...

I am recently finishing up my 4.3 5 speed to a 5.3 auto swap and the truck is running and everything is working except the gas pedal any advice would...

hey guys i have a 2005 chevy 1500 ss all wheel drive i have a bad vibraton at 90 plus when you throttle hard you can feel it in foot pedal and...

I had a 2002 Chevy z71. I sold it too a guy and he drove a 100 miles and the truck just died going down the road. I have had the truck for 2 years...

I just finished my live axle conversion on my truck. It took a little bit of time and hunting for parts. I used a dodge aam front axle with custom...

I've got a 94 silverado that I dropped a five three 4l80e combo I can't seem to fire up on its own. The walbro pump is working I've got 49 psi at the...

I noticed a few drops of engine oil on the garage flood today. Climbed under the truck and snapped some pics. I can't tell where its coming from. Oil...