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P7100 knock

davidbarnette917@gmail.com
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davidbarnette917@gmail.com

davidbarnette917@gmail.com

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I have a 2000 24 valve with a p7100 pump and I've been investigating a fuel knock that I've had since I've had the truck. I've replaced the injectors so my next step is the injection pump.  I'm looking for the best/cheapest ways to test the pump without removing or taking it to a shop. Thanks.

  • 1 month later...
rts.dst

rts.dst

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On 2/6/2020 at 3:03 AM, davidbarnette917@gmail.com said:

I have a 2000 24 valve with a p7100 pump and I've been investigating a fuel knock that I've had since I've had the truck. I've replaced the injectors so my next step is the injection pump.  I'm looking for the best/cheapest ways to test the pump without removing or taking it to a shop. Thanks.

You might be able to check each barrel for pressure. Like compression check on an engine. You might have a bad plunger in one of the barrels too. Either way those can be replaced. Also there are some centrifugal weights that might be going bad. I would bet on a plunger tho. 

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