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My 2003 chevy silverado 2500 hit railroad tracks and died
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Big chevy
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Sep 19, 2013, 2:58 PM
Post #1 of 38
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My 2003 chevy silverado 2500 hit railroad tracks and died
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I was driving down the road and hit railroad tracks and soon as I went over them my truck died , I have tried to jump start it . All it does is turn over . I can hear the fuel pump come in and the relay,
any help?
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Hammer Time
Ultimate Carjunky
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Sep 19, 2013, 2:59 PM
Post #2 of 38
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Re: My 2003 chevy silverado 2500 hit railroad tracks and died
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All "crank, no start" conditions are approached in the same way. Every engine requires certain functions to be able to run. Some of these functions rely on specific components to work and some components are part of more than one function so it is important to see the whole picture to be able to conclude anything about what may have failed. Also, these functions can ONLY be tested during the failure. Any other time and they will simply test good because the problem isn't present at the moment.
If you approach this in any other way, you are merely guessing and that only serves to replace unnecessary parts and wastes money.
Every engine requires spark, fuel and compression to run. That's what we have to look for.
These are the basics that need to be tested and will give us the info required to isolate a cause.
1) Test for spark at the plug end of the wire using a spark tester. If none found, check for power supply on the + terminal of the coil with the key on.
2) Test for injector pulse using a small bulb called a noid light. If none found, check for power supply at one side of the injector with the key on.
3) Use a fuel pressure gauge to test for correct fuel pressure, also noticing if the pressure holds when key is shut off.
Once you have determined which of these functions has dropped out,
you will know which system is having the problem.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Hammer Time
Ultimate Carjunky
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Sep 19, 2013, 3:06 PM
Post #4 of 38
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Re: My 2003 chevy silverado 2500 hit railroad tracks and died
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That is a systematic procedure to isolate the cause of a crank, no start condition for any vehicle with any failure.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Big chevy
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Sep 23, 2013, 6:22 PM
Post #5 of 38
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Re: My 2003 chevy silverado 2500 hit railroad tracks and died
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I have fuel but no spark... Any suggestions
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Hammer Time
Ultimate Carjunky
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Sep 23, 2013, 6:24 PM
Post #6 of 38
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Re: My 2003 chevy silverado 2500 hit railroad tracks and died
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Oh really? What was the fuel pressure. How did you verify injector pulse on that engine?
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Big chevy
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Sep 23, 2013, 6:32 PM
Post #7 of 38
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Re: My 2003 chevy silverado 2500 hit railroad tracks and died
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I'm getting fuel from the fuel valve ontop of the motor and I had bought a spark tester that you plug the wires from the coil into and it has so spark
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Hammer Time
Ultimate Carjunky
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Sep 23, 2013, 6:36 PM
Post #8 of 38
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Re: My 2003 chevy silverado 2500 hit railroad tracks and died
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So, you don't know if you have injector pulse or not...........
If you don't want to do the testing requested, maybe someone else will want to help you. I'm not.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Big chevy
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Sep 23, 2013, 7:08 PM
Post #9 of 38
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Re: My 2003 chevy silverado 2500 hit railroad tracks and died
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I'm not quite Sure how to figure it out..
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Hammer Time
Ultimate Carjunky
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Sep 24, 2013, 2:41 AM
Post #10 of 38
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Re: My 2003 chevy silverado 2500 hit railroad tracks and died
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You never listed an engine size but if this is a 6.0, it's fairly easy.
Just unplug one of the injectors and plug a noid light bulb into it and crank the engine. If the light flashes, the injector is receiving power and trigger pulse.
You can get noid lights at most tool or parts stores for under $10 ea or $20-$25 for a whole set.. You need the one made for your car.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Big chevy
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Sep 24, 2013, 6:29 AM
Post #11 of 38
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Re: My 2003 chevy silverado 2500 hit railroad tracks and died
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Okay thank you I'm buying one today . What happens if it doesn't light up , what should I Do after that
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Hammer Time
Ultimate Carjunky
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Sep 24, 2013, 6:47 AM
Post #12 of 38
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Re: My 2003 chevy silverado 2500 hit railroad tracks and died
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We take one step at a time. If it doesn't flash, use a test light to make sure you have power at one side of the plug with the key on.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Big chevy
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Sep 27, 2013, 3:20 PM
Post #13 of 38
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Re: My 2003 chevy silverado 2500 hit railroad tracks and died
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It does flash but I have no spark ..
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Hammer Time
Ultimate Carjunky
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Sep 27, 2013, 3:26 PM
Post #14 of 38
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Re: My 2003 chevy silverado 2500 hit railroad tracks and died
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OK, that eliminates a lot of things.
Now what you want to do is unplug one of your coils and perform the same test with the noid light that you did with the injector and the same thing, if you have no flash, check for power on one of the wires with the key on.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Big chevy
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Sep 27, 2013, 3:50 PM
Post #15 of 38
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Re: My 2003 chevy silverado 2500 hit railroad tracks and died
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Can you show me how to do that ?
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Discretesignals
Ultimate Carjunky
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Sep 27, 2013, 3:53 PM
Post #16 of 38
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Re: My 2003 chevy silverado 2500 hit railroad tracks and died
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Only if HT can spend the night and eat out of your refrigerator.
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
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Hammer Time
Ultimate Carjunky
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Sep 27, 2013, 3:53 PM
Post #17 of 38
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Re: My 2003 chevy silverado 2500 hit railroad tracks and died
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You do it the same way you did it on the injector plug. You haven't verified it but I am still assuming this is a 6.0 engine with 8 separate coils. Unplug one of them and plug your noid light into the plug and crank the engine.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Big chevy
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Oct 2, 2013, 4:42 PM
Post #18 of 38
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Re: My 2003 chevy silverado 2500 hit railroad tracks and died
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I figured it out ..... I have the 6.0 v8 it was a crank sensor ground wire but I just bolted it on so it misfires .. Can you find a diagram of the underneath side of the motor by the power steering
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Hammer Time
Ultimate Carjunky
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Oct 2, 2013, 4:47 PM
Post #19 of 38
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Re: My 2003 chevy silverado 2500 hit railroad tracks and died
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If you truly have a crank sensor problem, then you were totally wrong about the injector pulse. The crank sensor supplies reference signal for both spark and injector pulse so when you lose the crank sensor, you lose both.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Big chevy
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Oct 2, 2013, 5:05 PM
Post #20 of 38
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Re: My 2003 chevy silverado 2500 hit railroad tracks and died
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Well it's truly still not fixed .. The check engine light flashes and misfires it was coded and it sends a random misfire code
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Big chevy
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Oct 13, 2013, 8:50 AM
Post #21 of 38
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Re: My 2003 chevy silverado 2500 hit railroad tracks and died
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I had it scanned at Advanced Auto and it came up with a Random misfire code. It misses when I get on the gas a lot. It idles at around 5-600 RMP's which seems very low.. It looses power sometimes when I'm driving and now the check engine light came on again. Any help?
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Hammer Time
Ultimate Carjunky
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Oct 13, 2013, 9:31 AM
Post #22 of 38
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Re: My 2003 chevy silverado 2500 hit railroad tracks and died
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OK, it's time to go back to the basics that you should have started with in the first place.
What is the fuel pressure?
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Big chevy
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Oct 13, 2013, 10:56 AM
Post #23 of 38
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Re: My 2003 chevy silverado 2500 hit railroad tracks and died
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It's at about 12 pounds and I had it rescanned today they old me it was a random misfire and ignition coil
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Hammer Time
Ultimate Carjunky
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Oct 13, 2013, 10:59 AM
Post #24 of 38
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Re: My 2003 chevy silverado 2500 hit railroad tracks and died
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No, that is not true. That engine will not run at 12PSI so get an accurate fuel pressure gauge and test it again.
Also verify what the 8th digit of the VIN# is.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
(This post was edited by Hammer Time on Oct 13, 2013, 11:01 AM)
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Big chevy
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Oct 14, 2013, 8:53 PM
Post #25 of 38
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Re: My 2003 chevy silverado 2500 hit railroad tracks and died
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I'm not sure what the gauge was a guy did it for me at the store but I had some one else do it andirons read 57? this time .. And U Is the vin
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