Question about Chevrolet Silverado 1500

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Can my fuel pump prevent my truck from cranking at all? All lights work,don't hear the pump, and it won't crank

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  • 18 Answers

If it wont crank it may be the battery i had the problem with my truck check all fuses, check the battery, and grounds, mine turned out to be a fuse for the ecm

Posted on Feb 20, 2012

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6ya6ya
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Posted on Jan 02, 2017

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  • 69 Answers

SOURCE: truck will crank but won't start, checked fuel

check the fire to the spark plugs first,if they fire good check fuel pressure,if good check compression especially if it's a 300 6 cyl they can almost completly loose compression and sometimes no smoke or any thing.that pretty well covers all bases gas pressure,fire,and commpression.if low compression check timing they had plastic on the outside of the gears it breaks and falls off then time jumps,warning i've seen some vehicles still show decent compression even out of time just depending on the position of crank and cam.hope it helps

Posted on Jul 04, 2009

  • 76 Answers

SOURCE: I have 1998 Escort

Sounds like it may be the spark plugs. If you have a spark maybe a fuel filter is clogged? Hope all goes well!

Posted on May 20, 2011

tayjoejoe
  • 2194 Answers

SOURCE: my car will crank but won't stay running, i

Could possibly be the anti theft system. This system can actually turn off your fuel injectors 1-5 seconds after starting. http://vatspasslockpasskeysecurityhelp.yolasite.com/

Posted on May 29, 2011

rohdd
  • 283 Answers

SOURCE: I have a Lincoln town car1998 my Car won't start i

You say t pump is coming on, but do you fuel coming up to the fuel injector rail? You can check for fuel by pushing down the valve located at the left front side of fuel rail. It looks like a tire air fill stem. Be very careful as fuel is under 40 psi pressure and can spray all over the place. do this with engine OFF and have a rag to cover the valve. Just press with tip of screwdriver and be sure valve is covered. If a little gas come out,you know you have fuel. If not gas then check fuel delivery system i.e pump, filter, lines or pickup tube.

If there is fuel in the rail, then there is most likely a problem with the control module (computer).
Check for fault codes with an OBD II reader. You can usually rent one at your local part store. You can look up fault codes to find out where the problem might lie.

More questions, just leave in comments.

Good Luck.

J
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Posted on Jun 01, 2011

  • 118 Answers

SOURCE: Cranks up but won't start. Check the fuel

This can be a tough case, You may want to start by having the ECM checked for code first, there are too many things that can cause your engine to just shut down. I would not start by just throwing parts on it; this could be costly!

Have someone scan the vehicle fore codes first!

Good luck.

Rodney

Posted on Jun 14, 2011

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most likely you have a bad crank sensor or fuel problem you need to check fuel pressure ,if you have enough pressure ,most likely you need crank position sensor,if you don`t have fuel pressure ,it might be your fuel pump relay or the pump, i would start with the relay first very unexpensive. you can also hear the pump if it`s working by cranking the engine and listening rear of the car for a humming sound .
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If you are at or near the 100,000 mile mark then your fuel pump may have failed. If you remove the fuel filler cap and listen carefully at the filler neck while someone turns the ignition key to "run" [don't actually crank the engine] you should be able to hear the fuel pump buzz for about a second and a half as the key is turned On. If you don't hear the pump buzz then odds are your pump is dead. Your pump may have actually failed making it appear as though you ran out of fuel. Not to uncommon. Hope this helps and good luck!

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fuel problem or spark problem neither is associated with a change in sparkplug unless you had a sever misfire that you let go for a long time to cause thhe igition module to fail.and this include the crank sensor that is underneath the ignition module. cycle the key you should hear a humm at the fuel tank and that is the fuel pump working if you hear the fuel pump then more than likely you will need to correct for spark ignition module and crank sensor

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I have a Mercedes 2003 C230. Checked my Fuel line, Fire to Ignition, and Change Camshaft Position Sensors. Car Cranks but still does not start. What else should I look at?


Turn the key and listen for a hum (keep doors closed but a window down and radio off). Don't turn the key all the way to try to crank it, just the turn to get all the lights in the dash on. If you hear a slight hum or buzz that last a second or two that is your fuel pump. If you don't hear it, check your fuse for the fuel pump, if that is not blown, your fuel pump may have gone out.

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