P129f chevrolet

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From buying research to owner support, join 1. I got a Chevy HD with the duramax 6. You can post now and register later. If you have an account, sign in now to post with your account. Paste as plain text instead. Display as a link instead. Clear editor.

P129f chevrolet

Log in. Sign up. JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. Had the problem with crank no start and got code PF. Did my research and found that it was the fuel pump control module. Saw one person say that they were told the computer had to be programmed to recognize the new module. I live an hour and a half away from a dealership that will work on the Chevy So getting a tow that far was out of the question. But I did call the dealership and they had the module. I went and picked it up and asked and they said there was nothing in their computer to show where the computer had to be flashed to recognize the module. Bought the module and crossed my fingers as I saw no one talking about that they did it themselves. Got home took the old one off and put the new one on and cleared the code and the truck started right up.

Log in, p129f chevrolet. They did say this was an odd error that they really had not seen so apparently, just a bad part it happens - still thrilled with the purchase. They have to order in a new one for me they don't have them in p129f chevrolet and expect it to take about a week to arrive.

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Log in. Sign up. JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. Yesterday morning I stopped at a donut shop to grab donuts for the work crew. Shut the truck off and came back 5 minutes later to find the truck not starting. Cranks over fine but no fuel supply. Not a lot available that I could find googling it. Appears to have to do with the lift pump and fuel pressure supply to the engine. All maintenance to this point has been performed as recommended.

P129f chevrolet

The most common cause of this issue is a faulty Fuel Pump and Level Sensor Assembly, but it can also be due to an open or shorted harness, poor electrical connection, or a faulty Fuel Pump Driver Control Module. To fix this problem, you should visually inspect the wiring harness and connectors for any damage. When the engine light is on or the service engine soon warning light is illuminated, it could be a sign of the pf fault code. The automobile fault code PF can be caused by a faulty fuel pump and level sensor assembly, an open or shorted harness, a poor electrical connection in the circuit, or a faulty fuel pump driver control module. To fix the automobile fault code pf, start by checking the possible causes and visually inspecting the wiring harness and connectors for any damage or corrosion. The automobile fault code PF diagnosis and fixing cost is influenced by the estimated repair time of 1. The DTC will be triggered if the difference between the commanded and actual fuel pump speed is outside the calibrated range for more than 7 seconds. This code indicates a potential issue with the fuel pump speed signal, which may require further diagnosis and repair. This code is often caused by a faulty fuel pump and level sensor assembly, an open or shorted harness, a poor electrical connection in the assembly circuit, or a faulty fuel pump driver control module.

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Weird part about this issue for us is that is has been wildly intermittent. I am no professional mechanic just some one who likes to work on his own truck if possible. Log in. Link to comment Share on other sites More sharing options Reply to this topic Start new topic. Followers 0. This is just my experience with what I did today in changing the module myself. Insert Quotes Quotes Post Reply. Be safe!! Display as a link instead.

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Was all covered under the warranty of course but it was 1 hour to diagnose,. Sort by Oldest first Oldest first Newest first Most reactions. Look at the dash and sure enough, the check engine light is on. Explore Our Forums. About 3 weeks ago I went to drive off and my car didnt move, i put it in park and then back to drive and it worked, so i thought it was just a little glitch. I will let you know what they end up doing to fix it in case it appears on someone else's vehicle. Go to topic listing. Stay Tuned For a better experience, please enable JavaScript in your browser before proceeding. Deals Forum.