2005 GMC Jimmy

2005 GMC JIMMY
26,789 MILES • 6 CYL • 4WD • AUTOMATIC
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CELIAA
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  • 1 POST
I am not sure what the problem is and am guessing it is either mechanical or electrical. This is what is happening and it doesn't happen every use but about 1 in 3-4 uses so fairly often now. When I start the vehicle the gas gage doesn't move up and this tells me I will have problems. When I put the vehicle into drive or reverse all the dashboard warning lights flash on and off, the rpm, gas gage go up and down and when I put my foot on the gas pedal I almost have to push to the floor to get going. Once moving if I shift from reverse to gas and put my foot on gas you can sometimes hear a loud "cracking" noise. Sometime the lights on the dash board take upto a mile of driving to start up so I have no idea how fast I am going and you can't see the indicator to say if you are in drive ect...
May 28, 2010 at 6:45 AM
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HMAC300
  • CERTIFIED EXPERT
  • 48,601 POSTS
check your battery and clean the terminals and the grounds to the body/engine, etc. If this is a digital dash then the dash may need repair which means pulling it out an d sending it in. the cracking noise may be your ujoint. it's hard to diagnose on here not hearing it. Have a pro look at it.
May 29, 2010 at 6:28 PM