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  1. EcoTec 4.3L V6
    Hello so just 3 days ago I ran a power invertor off of the truck battery to power an air compressor. The power invertor is no longer attached to the battery, I only needed to use it on a particular jobsite. just this morning when I was leaving for work, I started the truck up and made it about...
  2. Vortec 6000 6.0L V8
    Just bought a 2006 silverado 1500 hd from Washington, I'm in MN. I had it delivered drove it around all was good and the next morning I went to start it and it didn't start until the second crank, I've been working a few weeks at it now. And if you turn the key off 1 min leave on for 2min it...
  3. Vortec 4300 4.3L V6
    I have a 2007 GMC Sierra classic 4.3l v6 I have been trying to get sparks and have tried everything it has a new cam sensor new crank sensor a new icm and a new coil pack and a new rotor cap and rotor button and distributor the pcm has also been replaced I have test a lot of thing and just...
  4. Vortec 4300 4.3L V6
    Looking for ideas or thought I am not getting spark have been doing endless testing I have tried so much New icm New crank sensor New cam sensor and distributor New cap and rotor Plugs and wire New ecu the last drive Drove down the interstate got to the town I was head to truck ran...
  5. Vortec 4800 4.8L V8
    I have a 2003 Chevrolet Silverado, 4.8 V8, everything on it works, blinkers, tail lights, ect. Battery isn't dead, It's new. The vehicle will start up fine for a week or two, then It'll have issues starting, I'll move the vehicle around or move some wires around and it'll start eventually. the...
  6. Vortec 6000 6.0L V8
    Alright so I had some problems and narrowed down to a bad ecu so I replaced that and did the key relearn on the new ecu, I haven’t done the case relearn on it yet but it cranks but won’t start up. The only code it is throwing is for the case relearn and I have air and fuel but not sure on the...
  7. Engine
    Truck is a 1998 Silverado 3500. 300k+ miles. Guy I got it from had left it sitting for about 18 months. The truck tries to crank for an average of about 5 seconds before it stops turning over. Yesterday I replaced the fuel pump and fuel filter. Its been replaced before, several times...
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