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I have a 1981 nissan diesel 720 pickup. I have an inline fuel filter that I have just replaced (Microgard from O'Reillys). The truck starts up then dies when i put foot on the peddle. I can see that fuel is not in the new filter - do I need to prime the fuel line? If so how do I go about this?

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  • Nissan Master
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The replacement fuel filter may have been installed backwards

Posted on Oct 13, 2013

  • alan thomas
    alan thomas Oct 13, 2013

    Thanks Tom but I think I have it the right way - arrow on side of clear filter pointing to front of truck.

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Posted on Jan 02, 2017

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SOURCE: 2003 GMC Duramax Diesel won't start

I see that you had the injectors replaced 20,000 miles ago. I would still check the oil to make sure it is not overfull. The new injectors could be bad. If the oil level is not overfull then get a paper towel and touch the dip stick tip on the paper towel while oil is on the dip stick. If it's only oil it will not spread. If it has diesel in the oil the oil with spread. If this test doesn't show the injectors to be bad then you have three other possibilities. The FICM (fuel injection control module), the fuel pressure regulator, or the injection pump. It's hard to pinpoint what the problem is without running more tests and the only way to run those tests is with the computer the dealership has. Just so you know your injectors are still under warranty until 100,000 miles. Most likely you will have to take it to the dealership to get you truck fixed. I hope this helps you some.

Posted on Jan 05, 2009

csmock132
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SOURCE: 02 CHEV.TRUCK.will not start

38-40 is not enough fuel pressure. Replace the Fuel pump.

Posted on Apr 05, 2009

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SOURCE: 1987 Chevy R10 project truck won't start

check the float on the carb is stuck shut not letting fuel in

Posted on Aug 17, 2009

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time to clean out the system
you should probably try running reg diesel through the lines
so drain the fuel tank and put some reg diesel in rem the fule line recently replaced and allow it to pour our into a bucket then after the fule starts running there then hook line back up and start pumping it through the injector pump remove 1 of the cylinder lines and see if you have fuel there using a clear hose and a bucket
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