Forum: Diagnostics & Troubleshooting

I replacing my rack and pinion this week and wanted to know what kind/brand of fluid y'all recommend. I've heard Lucas makes a good power steering...

i pulled b2647 p0102 p0103 p0463 i know why on two of them. but what causes a p0102 p0103? i installed a ported tb and intake like a month ago and...

So pretty much ever since I put my new motor in with the Trailblazer TC my truck has had an issue staying in lock-up on the freeway (went in and out...

Well umm a coule weeks my cluster tells me I need to service the break booster, then my temp guage stats messin up on me. Whenever I turn the truck...

Ok truck is an 06 chevy with a 99 6.0 and a 60e. The problem was that the truack would barely run so after trying everything imaginable finally...

Well I drove 50 miles home from KC with the damn heat on and windows open the ac has always worked good but it just went to heat and of course I had...

Well, finally decided to tear the 408 down and see why it had the incredible amount of oil blowby in the crankcase. The prognosis isn't good. Number...

this is on a 08' silverado...long story short...truck had a 08' vmax 6.0 that overheated and mest up a piston to begin with.....so we installed my...

I was driveing along under 20% throttle from a stop sign and at 35-40 mph the trans when to shift and nothing…the rpms just went up. I pulled over...

my 03 silverado 5.3 has a po157 02 circuit low voltage b2 s2, and my voltage guage doesnt work.. any ideas?

Been this way for a few months. At first it started as every once in a while the speedo would read about 10 miles too slow when driving. Now I can...

I am getting ready to replace my rack and pinion and was wondering how to disconnect the steering shaft from the rack and pinion.

So I've notice some fluid on the underside of the corregated section of my steering rack. I don't see any leaks anywhere but fluid keeps showing up....

02 escalade, 6.0. Cant find just the pump, had to get an aftermarket sending unit. Now i was reading that the aftermarket ones are junk and dont...

My '07 5.3L Suburban recently developed a hard start problem. If I just go and try to start it, it turns over but won't "catch". If I let it sit with...

Well of course as my truck just goes out of warranty ? I am driving with my newly installed nelson tune and the stabilitrack off and limp mode turns...

Well I got my new/ used balancer installed and everything is cool with that. Now after the second day of driving it the oil pressure has dropped from...

As stated in the title the front AC on my brother's Tahoo doesn't work. I'll give a description of the problem. A couple months ago the...

My truck has been getting around 13mpg with the mods I have in sig. What else could I do to get more?

6two, headers, 231/235, 80e. Having problems with truck at idle had 8 degrees of knock and just increases and load is increased. Any thoughts?