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  1. OEM Issues
    I have a 2008 Chevrolet Trailblazer LTZ 5.3L V8 140,000 km. Two days ago when I started the car and began driving, I noticed the “Check Gauges” light had come on and the oil pressure gauge needle was exactly at 0. I immediately stopped my car and shut down the engine to check the oil level which...
  2. General
    I have a 2008 Chevrolet Trailblazer LTZ 5.3L V8 140,000 km. Two days ago when I started the car and began driving, I noticed the “Check Gauges” light had come on and the oil pressure gauge needle was exactly at 0. I immediately stopped my car and shut down the engine to check the oil level which...
  3. General
    I have a 2003 Envoy with the 6 cyl engine. Engine as far as I can tell is running perfectly. I noticed the RPM gauge indicating I'm racing down the road at a break neck speed...the idle RPM is 3000 and drive 40-45mph showing 4500-5000 RPM and up to 9000 accelerating. The engine is not running...
  4. OEM Issues
    Hello all. I am so glad I found this site. Having and issue with oil pressure. Yesterday it was reading between 60-80 and now it is just buried in the 80 mark. Even when the engine is off it reads 80 psi. I know that there is no pressure when the motor is off so it must be the guage. I...
  5. OEM Issues
    This has been as problem for a little while now that tonight got much worse. I used to think it was just my eyes playing tricks. I'd get a flicker and then it was gone. Tonight it was just going crazy! While costing or decelerating from a highway speed my dash lights and dome lights flicker...
  6. OEM Issues
    I followed rbarrios instructions on how to replace the fuel pump. I kept the old pump and just replaced the fuel sending unit with an AC Delco sending unit. I have an 05 EXT TB. I must admit it was a lot more difficult than I expected. I backed the TB onto a set of ramps so the rearend would be...
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