GMC ENVOY ENGINE SYMPTOM

I Have A Shuttering, Shacking Coming From The Rear Of The Truck When A Reach Freeway Speeds Of 60-75mph If I Drive Faster Is Lightens Up. I...

Everytime I Activate My Ac System The Cars Rpm's Takes A Dip And Almost Stalls Before The Systems Computer Compensates And Raises Rpm's....

My Car Is Knocking Loudly. Oil Has Been Changed And Spark Plugs And Coil Packs And Almost Every Sensor In The Car. Also The Thermostat. The...

The Car Sounds Rough When I Start It, When I Take Off It It Moves Slow (creep) Then Just Kicks In And Rides Smooth, It Never Goes Above 30...

Load Clicking Noise - Approx 1 Sec Intervials - Front Of Engine - Idle Or Very Low Rpm - Develolps After Short Warm Up - Can Continue...

I Have A 2002 Gmc Envoy. Once You Start A Vehilce That Is Cold Its Really Loud And As It Gets Warmer The Engine Gets Quieter Something To...

It Cranks Over Fine, But Will Not Start.

I Have Had The Codes Read From The Check Engine Light Being On. The Codes Indicated That The Code B0104? Heat Oxgenator And/or The Heat...

2002 Gmc Envoy 6 Cyl Four Wheel Drive Automatic 115k Miles When The Vehicle Is At Idle And The Gas Peddle Is Applied To Start Moving A...

My Car Idles Good When I Crank It Up. I Recently Added Transmission Fluid Because It Was Low On Transmission Fluid. When I'm Driving It...