Ok so the story goes. Which is why I don't suspect internal engine damage and I have not performed a compression test because of this. Common mistakes when diagnosing the P0275 code One common mistake a lot of mechanics make is not doing a good job of cleaning the fuel injector. Turned the key off but the engine revved to the sky because of all the fuel. Thanks It runs but smokes dark grey and is way down on power.
Installed reman mototrcraft injector, same problem. There are ways you can damage an injector on the install. This might seem odd to you. The transmission it's paired to isn't old-school, either. The fuel injector itself may have become clogged too. I had a dp tuner that got fried and Im concerned it took the pcm with it.
YourMechanic offers certified mobile mechanics who will come to your home or office to diagnose and repair your vehicle. The pistons looked good as well. From there, Ford worked backwards. Need help with a P0275 code? Since the contribution test said cylider 5 and 8 I guess it is both injectors? Ford A new pushrod V-8, let alone one displacing a hearty 7. Let us know how it turns out, my money is on a bad injector. Changed 5 injector with 3 injector and the problem stayed at the 5 hole.
Until , the only new pushrod V-8 Ford offered in a production vehicle was the 6. It's funny that when automakers have to perform standardized fuel-economy testing, they started making more small, turbo motors. But when you start talking about running day-in day-out, at high weights. The harness side may be corroded or have pins that have been pushed out. I did a final cleaning with air to get rid of all the debris.
Dual fuelers, 100% nozzles, single s480, upgraded valve train, ported intake. I have checked the wire connections, cleaned the connectors and looked at the harness until my eyes hurt. Thanks Mark, Can you cause an injector issue by just taking it out and putting it back in? Take a smple and check for bubbles It also states that you may have to operate the vehicle aggressively for 15-20 miles to remove excess air. The p0275 code is on cylinder number 5. And the company's engineers did it for fuel economy.
How serious is the P0275 code? I was driving my 01 f350 home the otherday. Then there's serviceability—in a number of ways, the 7. You'll know you got all the air out when it starts normally. That injector may have been weak to start with. Oil level is still within spec.
It's possible then, but good luck doing so without having to cut into the firewall. It's not like you are trying to rebreak in your motor or did a complete overhaul. Mark, Thanks for all the help you give on this site. Can you cause an injector issue by just taking it out and putting it back in? Cylinders 5 and 8 have a fault. The knock went away and the smoke did the same.
Somehow it is getting way too much fuel. It has run maybe 20 minutes. To work correctly, every cylinder in the vehicle must contribute the same amount of power — or at least within 5% of one another. Fuel is coming out the exhaust because it is leaking out my flexpipe to the stacks when it runs for more than 2 minutes. Another mistake would be not looking for the source of the mess. Hence my confusion Thanks It runs but smokes dark grey and is way down on power.