Question about 2006 Chevrolet Trailblazer Ext

1 Answer

Car will not start. code 0315

Car will not run, no power to the fuel pump and has code 0315

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  • Jerome Minks
    Jerome Minks Jan 21, 2013

    try this.. disconnect the battery completely and connect a 10 amp charger to the cars battery terminals and turn on ...listen for a buzz or hum in a relay either uder the hood, or in the fusebox..may need to replace if located.. also take the same charger leads and connect to the fuel pump connector under the vehicle and see if the pump goes on.. it may be dead...good luck repost findings..

  • Ken W Jan 21, 2013

    ok new update, after trying everything I could think of I put the old PCM back on the car. Went to do relearn and the car starts. I am thinking awesome. check for codes none are present. car is running like a top. I decide to take it for a test drive. I get about 50 yards and it dies. won't start again now. I press the Shrader valve and gas is there where earlier it wasn't. still no more codes popping up and car will try to start then die like it isn't getting enough fuel.

  • Jerome Minks
    Jerome Minks Jan 21, 2013

    see if the fuel filter is partially clogged by removing it and see if you can blow thru it repost..

  • Jerome Minks
    Jerome Minks Jan 21, 2013

    the autoshutoff relay also works the ignition system and if that relay is bad the car wont start.. no fire to the plugs while cranking...check it also..

  • Ken W Jan 21, 2013

    as far as i can tell and find there is no fuel filter on this year of trailblazer

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  • Chevrolet Master
  • 3,103 Answers

Check the autoshutoff relay and fuses..good luck

Posted on Jan 21, 2013

  • Ken W Jan 21, 2013

    I have swapped fuel pumps PCM and relay, all no go. engine will run with gas in the throttle body

  • Ken W Jan 21, 2013

    fuses are all good. I am under the impression that the same fuse that runs the PCM is also the cig lighter am I correct?

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SOURCE: '87 Iroc fuel port injection.

The pump is in the tank. Empty the tank, disconnect the filler and vent tubes, and remove the straps that hold it under the car. Take the strap bolts off the rear end and the front should just slide out. Have a jack ready to help lower and roll out of the way.

Posted on Aug 06, 2008

ourhowse
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SOURCE: CAR WILL START AND RUN FOR A FEW SECONDS THEN DIES

Mass air flow sensor.

Posted on May 13, 2009

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SOURCE: 1987 chevy r10 won't start

Assuming it is a fuel problem I checked at the carb. to be sure no gas was being pumped through the filter located under the power steering pump then the fuse on my 87 s10 was the ECM fuse.then check for the relay to click and the had to replace the oil pressure sending unit and mine started right up..the oil pressure must be about 4 lbs for the Pump tp operate...I loosened the fuel line to ck. for fuel but thats living dangerously...a pressure guage would be on the safe side......

Posted on May 18, 2009

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SOURCE: not starting ran out of gas,added gas and still not starting,can hear fuel pump running,smell gas at engine and exhaust.

This could be a couple of things. Since the gas ran low, it probably is sediment in the tank mucking things up. The sediment is probably blocking the pathway and reducing pressure.

Try replacing the fuel filter (always a good thing.) The other typical place is the strainer on the fuel pump inside the tank. try banging on the bottom of the tank to maybe loose the particles from the strainer, otherwise you may have to get inside the gas tank. If you have to do that It may be a good idea to just replace the fuel pump (the fuel pump uses the gas as a coolant and may have overheated.)

Another place to be concerned is the injectors. Rarely they start collecting deposits as well. Try some cleaner in the tank. The next thing is removing the injectors and soaking them in alcohol (again not easy)

Posted on May 28, 2009

greg_margo
  • 1959 Answers

SOURCE: Rough idle and acceleration on 1998 Chevrolet Silverado 5.0

Bad EGR valve comes to mind here. Assuming the plugs are good, the EGR valve woiuld be what I'd look at.

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Posted on Jul 26, 2009

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