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2002 chevy suburban looses power after about an hour on hwy could it be the flex fuel sensor

After about 10 min. it will start back up

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 2 Answers

SOURCE: 99 Gmc Suburban

On the 1999 - 2000 5.7 vortec engines the distributor gears wear causing the timing to change 2 or more degrees. The ecm is designed to shut down at 2 or more degreedifference. This is in a GM bulletin that recommends replacement at 160k miles. Mine went out at 150k miles. Very similar driving symtoms until it quit running. Both cam sensor codes were set on mine though, not the crank sensor.

Posted on Aug 24, 2008

  • 72 Answers

SOURCE: 2000 2.0 vw shutt down after running 20 min

Replace the fuel pump relay, it's easy and cheap.

Posted on Jun 08, 2009

  • 1 Answer

SOURCE: have a flex fuel sensor malfunction but dont know

dear sir, should be on trans crossmember on drivers side look at fuel lines the sensor has fuel that goes thue it and one wire connector with four wires in it .....good luck

Posted on Jul 20, 2009

  • 497 Answers

SOURCE: 2002 Chevy Suburban: Fuel gauge reads empty, tank is half full

Youre gauge is controlled by a plunger in the fuel tank which is attached to the sensor and the fuel gauge. it sounds like when the plunger goes down half way its either getting stuck down lower then it should. Needs replacing. Any mechanic can do this install for you.

Posted on Aug 27, 2009

ronaldo_ross
  • 1056 Answers

SOURCE: 2002 chevy suburban oil pressure sensor location

If you look from under the vehicle you should see it, instead of from the top.

Posted on Nov 23, 2009

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Have a 02 Chevy Suburban it has stalled out a couple of times in past few weeks mainly when i try to accelerate when either going up a hill or onto an entry ramp to the freeway. It even happened when I...


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YOU COULD HAVE A RESTRICTED AIR FILTER OR FUEL LINE OR FILTER.YOU COULD HAVE DEFECTIVE FUEL SUPPLY PUMP OR DEFECTIVE INJECTION PUMP.YOUR IDLE SPEED TOO LOW OR FAST IDLE INOPERATIVE.

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