Question about 2000 GMC New Sierra 1500

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2000 5.3L gmc sierra will not start

Replaced the Crank sensor, but it still will not crank. It also kills the battery after about 3 tries.

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The battery could be your only issue here.Your engine management system will not work well under about ten volts. You battery may have low reserve. Try a new battery as it sounds like you will need one anyway.

Posted on Nov 26, 2008

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Posted on Jan 02, 2017

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2005 gmc sierra. crank no start. no dtcs.. no crank signal or 12 volt reference..crank sensor and pcm replaced. still no 12 volt reference


With a wiring diagram test all INPUT power supply's then check all ground circuits If the power grounds are open then no output voltages will operate sensors.

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1996 GMC SIERRA XC 4x4 wont even turn over


What is the voltage on the battery ? If it's not in the 13.5 volt range the battery is not charged.
What does the battery read when you try to crank ? It should be in the 10.5volt range.
Get a set of jumper cables. Hook them up correctly and see if it cranks. If it does - the battery is not fully charged or it's a bad battery.
A car battery can produce enough amps to light lights and other small stuff but not produce enough amps for the starter to turn over the engine.

Jan 03, 2018 | 1996 GMC Sierra

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1998 GMC Sierra 2500 5.7L hard cold starts last month, now won't start cold w/o a little carb cleaner in intake. Codes for oxy sensors, mass air sensor and crank/cam position. Drove today, no power just...


starting definately has a lot to do with the crank/cam position sensors, but it wouldnt have nothing to do with hot or cold weather, oxygen sensor will make the vehicle run too rich if its out, you will smell fuel very strong out the exhaust, that could make it run sluggish also, and usually if the mass air flow sensor goes out the vehicle wont start at all...

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02 gmc 4.8 code po336 i replaced the sensor but still won;t start


try replacing the oil pressure switch on the back of the block. If IT DOES NOT DETECT OIL PRESSURE IT WILL NOT RUN Kills the fuel pump.

Nov 21, 2009 | 2002 GMC Sierra

2 Answers

2002 sierra V6. My truck wont start after a few days of being off. Battery is new but it's dies trying to crank it on. This has happened before and it would eventually turn on but it hasn't this time.. Any...


The battery cables are dirty at the battery.
Disconnect each cable and clean the cable clamps and battery posts.
The dirty stuff gets hot when you crank the engine or drive. This increases the electrical resistance and not enough juice to crank starter.

Sep 25, 2009 | 2002 GMC Sierra

1 Answer

I have a 2000 GMC Sierra and i went to the store , turned off and now all it does is spins over. There is no spark and all it does is spin. I replaced the Crank sensor behind the starter. My ECM 2 fuse...


You may check the starter motor. Sometimes they draw to much current from the battery and cause it to drain down to soon and not allow current to go anywhere else to start.

Dec 04, 2008 | 2000 GMC New Sierra 1500

1 Answer

My 2000 GMC Sierra will not Crank


Check power to ignition module. I think it's powered by the INJB fuse. See next to last page at link.
http://www.revbase.com/BBBMotor/Wd/DownloadPdf?id=18561
https://can-i-do-it-myself.000webhostapp.com/Sparks.html

Aug 09, 2017 | 2000 GMC New Sierra 1500

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