Question about 2003 Chevrolet Avalanche

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Why won't it start?

The vehicle broke down a few miles from my home and then wouldn't start. There was crank on the engine with nothing as if it was out of gas.I knew I had half a tank of gas yet still walked back to my house and picked up a five gallon can of gas and put that in the tank....it still wouldn't start. It was towed back to my house and I had my wife listen at the open gas tank to hear if the fuel pump started when I turned the key to on (not start) and she said she could hear a noise coming from the gas tank like a hum and a couple of clicks. I then placed my thumb on the fuel pump relay and when she turned the key I felt the click. I checked the fuse and found it okay. Why am I not getting it to start when everything fuel related seems to work fine?

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6ya6ya

6ya staff

  • 2 Answers

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Posted on Jan 02, 2017

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Anonymous

  • 21 Answers

SOURCE: 1995 Cavalier Z24 Car Wont Start

You either have a bad solenoid on your starter OR a bad ignition switch as these are the only two things that can cause the symptom you describe... I lean to the solenoid first, RARELY does an ignition switch sieze up in the start position but it is a possibility. Several national chain parts stores can test the starter for you (GM starters have the starter solenoid mounted directly to the starter and you need to remove the starter to get to it, so you would take the whole unit in to test it... REMEMBER to disconnect the battery first!)

Posted on Apr 13, 2009

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Anonymous

  • 6 Answers

SOURCE: 92 Chevy Suburban Electrical Fuel System

Check fuel flter at fuel pick-up intank (looks like a small wire sock). Remove fuel filter and fitting at fuel rail. Blow out fuel lines w/about 35lbs air press. Ck electrical @ relay - should be 4 connectors - one is key on hot/one is always hot/one is ground and last is hot to fuel pump. Good Luck

Posted on May 03, 2009

Anonymous

  • 30 Answers

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

Anonymous

  • 2 Answers

SOURCE: 1998 chevy s10 won't start, engine cranks but it won't turn over.

replaced your fuel pump and when you buy it make sure to replace the oil sending sensor on the fuel pump it comes with a replacement when you purchase a new fuel pump

Posted on Jun 10, 2009

motor1258

Mike Butler

  • 6674 Answers

SOURCE: 2001 chevy s 10

Find power wire coming from relay to pump when key switched on, & follow it back to pump. If you have power out of relay & nothing at pump, then I'd look for a break in wire to rear, or just run a new one. Double check your ground as well.

Posted on Jul 05, 2009

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