2000 Silverado 100 7,00 miles 4.3 5 speed manual when it get hot shift hard between the gears.After driving awhile it does get better cold weather shifts fine.What could be the cause or causes for this issue?

My wife’s 2003, 2500 HD 6.0 gasser went into a low power mode is what the driver information center said this morning. She babied it home I pulled codes P15 and P16. I goggled the codes and it listed almost all of the sensor’s on the motor, it seems highly unlikely that they all went bad at...

I bought a 2020 Tahoe at an auction with the ECU missing. I replaced & had it reflashed via HP Tuner. The programmer disabled VATS so the truck runs & drives, but now a "Theft Deterrent" light is on the dash & the aut start doesn't function. My programmer said he can not access the Body Control...

Here we go again. To start off I've checked all the grounds on everything under the hood, I've replaced the IGN1 relay and ran a voltage test on the battery. The gauge cluster started acting up today out of the blue. A week ago everything was normal but upon driving today I noticed the battery...

Hello all I’m hoping someone could help me out here my 2009 silverado 2500 hd wt has the service trailer brake system light on , the check engine , abs light brake light, airbag light , traction control light , are all on I’ve replaced the brake light switch and the trailer brake light modual...