Question about 2000 GMC Sierra C/K3500

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My pickup with 7.4 has spark and fuel but still will not start

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Chek the ignition timing for the sparks

Posted on Nov 12, 2010


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1988 gmc pick up, 350 eng. 5.7,turns over but it won't start,

Do you have spark? If not I would have the pickup coil in the bottom of the distributor checked. If you have spark, you need to check for fuel pressure. If you have none, check and make sure you are getting power to the fuel pump. If you have power to the pump and it isn't running...change fuel pump. If you have spark and have fuel pressure, is your injectors operating? Back to having the pickup coil tested as this is what tells the computer to meter the injectors.

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1991 15 passenger van no spark won't start

As with any no start condition, you need to figure out if you have no spark to the plugs or no fuel to the injectors.
A common problem on Mopar products is the pickup coil in the dist and the ASD relay.

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Truck shuts down after driving 52 mi just turns over will not start. After sitting for 7 hrs fires right up and will drive 52 more miles. It's been to numerous shops and numerous cost nobody knows the...

you need to check this when it does not start , spark ? and fuel pressure ? most likely its spark ignition module or distributor pickup coil hope this helps

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I assume you get fuel. But, does it get spark? If not then a coil may be bad, pickup coil if so equipped, or ignition coil if so equipped.

Good luck on this one.

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My 1994 nissan pickup cranks but will not start

Need to check for fuel. Easy way to do this is wipe one of the plugs clean and dry and put back in without wire attched. Crank truck as if you were trying to start it. Pull plug out and check to see if it is wet. Should smell like gasoline. If so, recommend you replace the plugs, wires, distributor cap and rotor. If not, you have a fuel problem.

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Things that you need for the engine to run
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your error codes will help you determine which to address

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1 Answer

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Check your airflow meter and wiring harness contacts for any shorts or corrosion, moisture, or worn wires or contact points. Check ground wires are in good shape with no worn or corroded contacts or seperated wires. Check you air filter. Sounds like you have timing, and fuel and spark. An air issue sounds like the culprit.

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I take it that means you tried the cap. It has spark at the plugs with a spark tester and the fuel pressure is at least 55psi?

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1 Answer

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there may be a bad contact problem check the wire running into the fuse box and look at the relay for the efi

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