1999 Chevrolet Tahoe Logo
Posted on Nov 02, 2008
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1999 Chevy tahoe will not start

Tahoe will not start, changed the following: cam shaft positioner, O2 sensors, air flow sensor, battery, distributor, plugs are showing yellow spark, these plugs are spit fire plugs. At wits end.

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  • traveling64 Nov 08, 2008

    Took the ignition module to auto zone and they said it was good. Could their be another solution to not crankng with a yellow spark.

  • Anonymous Dec 30, 2008

    Mine was doing the same had a short in the visor lights and drain the battery. put a hot battery in it and it should fire up . this trucks need hot battery to run

  • Anonymous Mar 28, 2014

    I have a chevy Tahoe wont crank new battery and new crank sensor

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  • Posted on Apr 26, 2009
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Check the crank sensor. no signal from the crank sensor causes a no spark condition. best way to check is to put a scanner on and check for rpms.
the crank sensor is differnt from the cam sensor

  • Anonymous Feb 26, 2013

    it has spark, seems to labor with short pause when cranking to start

  • Jimmie Boatwright
    Jimmie Boatwright Jan 03, 2014

    what is crank sensor

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  • Posted on Nov 02, 2008
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A yellow spark is a weak spark and useless unless you use engine start which is extremely easy to ignite compared to petrol.Your problem is more likely to be an ignition module inside the distributor.

  • Anonymous Nov 08, 2008

    The gap on the plugs could be too wide or the coils are not generating enough power to fire the plugs.Are the H/T leads in good condition?Are you getting a good 12v source of power to the coil/s while cranking.

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  • Posted on Nov 19, 2013
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Truck starts up but cut right back off. changed battery and alternator, what else can i do?

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2001chevy Tahoe will start and die right away
There could be several possible reasons for your Chevy Tahoe to start and then die immediately. Here are a few things you can check:
  1. Fuel system: Make sure you have enough fuel in the tank and that the fuel pump is functioning properly. Check the fuel filter as well.
  2. Ignition system: Check the ignition system, including the spark plugs, wires, distributor, and ignition coil. Make sure they are all working properly.
  3. Idle air control valve: The idle air control valve (IAC) helps regulate the engine's idle speed. If it's faulty or clogged, it can cause the engine to stall. Check the IAC valve and clean or replace it if necessary.
  4. Mass air flow sensor: The mass air flow (MAF) sensor measures the amount of air entering the engine and helps determine the correct fuel-to-air ratio. If it's dirty or faulty, it can cause the engine to stall. Clean or replace the MAF sensor if needed.
  5. Security system: If your Chevy Tahoe has a factory-installed security system, it may be malfunctioning and preventing the engine from starting. Try resetting the security system and see if that helps.
If you're unable to diagnose and fix the problem on your own, it may be best to take your vehicle to a trusted mechanic or dealership for further diagnosis and repair.
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Feb 04, 2011 • 1998 Chevrolet Tahoe
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Were is the mass air flow senser on my 1999 chevy tahoe
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May 06, 2010 • 1999 Chevrolet Tahoe
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I have a 99 chevy tahoe 4x4 5.7 i need to know were the camshaftnsencer is locate
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Dec 21, 2009 • 1999 Chevrolet Tahoe
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I DONT GET ALL THE POWER IN MY TRUCK I CHANGED MY MASS AIR FLOW SENSOR AND NOW THE COMPUTER IS SAYIN CAM AND CRANK SHAFT
it needs to be put on a OBD computer so the control module can be re calibrated. Changing the mass air flow sensor started a chain reaction.
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