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Help! -- My Dads Truck Is Freakin Out

opsbear7

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opsbear7 Enthusiast

opsbear7

Posted
Posted

Hey guys,

 

I am posting on behalf of my dad who drives a 97 burban. He will start the engine, and it will idle fine. But then whenever he puts it in drive it will either die or stall out. Cannot figure it out. Any ideas?

 

Thanks!

opsbear7 Enthusiast

opsbear7

Posted
  • Author
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its a 97 suburban with the 5.7 v8. It has gotten all its regular maintenence. about 170K on the clock! Never had any transmission problems or engine problems.

07Graystone Enthusiast

07Graystone

Posted
Posted
Hey guys,

 

I am posting on behalf of my dad who drives a 97 burban. He will start the engine, and it will idle fine. But then whenever he puts it in drive it will either die or stall out. Cannot figure it out. Any ideas?

 

Thanks!

 

I had a similar problem with my '97 Silverado, 5.7l. Turned out to be a loose battery cable. Putting it in gear 'rocked' the engine enough to make the cable loose contact. Hopefully your issue will be as easy to correct.

pm26 Senior Enthusiast

pm26

Posted
Posted

I have seen something similar before. My neighbor years ago had a mid 80's Silverado. It started and idled fine, but the moment he put it in gear and gave it gas, it stalled. He replaced the carburetor with no improvement. Turned out to be the timing chain - it was so stretched that the motor valve timing was way off. This could be the problem with your dad's Suburban, especially with the mileage on it.

LF Motorsports Enthusiast

LF Motorsports

Posted
Posted

Not sure but worth the inspection. Check to make sure the fuel pump is working, most likely in the tank. You should be able to hear it or feel the tank vibrate slightly when you turn the key to the "on" position. Somebody correct me if I'm wrong.

 

I just had to change out my fuel pump this past weekend in my '93 Silverado w/ 170K on it. It would idle but as soon as I hit the gas it would bog down if not die. If you change the fuel pump, make sure you DON'T PINCH THE WIRES!!!!! Caused me about an extra day of grief and searching (and several fuses) to find the wires I pinched, causing a short to the pump.

 

Just something to keep in mind. Good luck.

 

Lance

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