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| filbert2 |
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 Hi one and all
I have an XF ute that I recently converted to EFI using all the goodies out of an 87 Ghia sedan. At the moment my bus is running like s**t and using fuel like it's going out of fassion ($30.00 to go 61Ks). It has a 4.1 X flow which was rebuilt 10,000Ks ago with a mild cam fitted. Is there any way to clear the ECU? How do I get the fault codes and what are they? |
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| Interceptor |
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first step when an XF EFI is running like s**t and chewing through fuel is to look for vacuum leaks
the common culprits are: rocker cover dipstick oil filler cap
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| filbert2 |
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Interceptor wrote: first step when an XF EFI is running like s**t and chewing through fuel is to look for vacuum leaks
the common culprits are: rocker cover dipstick oil filler cap Thanks. I will check it all out. PK |
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| Interceptor |
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just out of curiousity, how much of a cam is in it? XF EFI's dont really like that much more than a standard cam.....
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| filbert2 |
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Interceptor wrote: just out of curiousity, how much of a cam is in it? XF EFI's dont really like that much more than a standard cam.....
Hi interceptor, I asked for a mild cam when the motor was rebuilt. The motor was origionaly had a Carby untill I got my bright 
I did a pressure test on the motor and found no air leaks. Thanks for your reply |
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| Andrew J |
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Also check for vacuum leaks around things like the fitting for the brakes. You may also have problems with your injectors?
_________________ The problem with America is stupidity. I'm not saying there should be a capital punishment for stupidity, but why don't we just take the safety labels off of everything and let the problem solve itself?
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| Interceptor |
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filbert2 wrote: Interceptor wrote: just out of curiousity, how much of a cam is in it? XF EFI's dont really like that much more than a standard cam..... Hi interceptor, I asked for a mild cam when the motor was rebuilt. The motor was origionaly had a Carby untill I got my bright I did a pressure test on the motor and found no air leaks. Thanks for your reply what do you mean when you say you did a "pressure test"? not a compression test i hope when i say check for vacuum leaks, fire the engine up, and carefully spray aerostart around areas like the rocker cover, intake manifold flanges and dipstick, etc, if the engine changes its note, you'll have found a leak
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| filbert2 |
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Interceptor wrote: filbert2 wrote: Interceptor wrote: just out of curiousity, how much of a cam is in it? XF EFI's dont really like that much more than a standard cam..... Hi interceptor, I asked for a mild cam when the motor was rebuilt. The motor was origionaly had a Carby untill I got my bright I did a pressure test on the motor and found no air leaks. Thanks for your reply what do you mean when you say you did a "pressure test"? not a compression test i hope when i say check for vacuum leaks, fire the engine up, and carefully spray aerostart around areas like the rocker cover, intake manifold flanges and dipstick, etc, if the engine changes its note, you'll have found a leak I made up a plate with an air fitting on it to fit over the throttle body opening on the plenum chamber and one for the EGR valve, then hooked up the compressor and pressurised the motor to 7psi. |
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| Interceptor |
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filbert2 wrote: Interceptor wrote: filbert2 wrote: Interceptor wrote: just out of curiousity, how much of a cam is in it? XF EFI's dont really like that much more than a standard cam..... Hi interceptor, I asked for a mild cam when the motor was rebuilt. The motor was origionaly had a Carby untill I got my bright I did a pressure test on the motor and found no air leaks. Thanks for your reply what do you mean when you say you did a "pressure test"? not a compression test i hope when i say check for vacuum leaks, fire the engine up, and carefully spray aerostart around areas like the rocker cover, intake manifold flanges and dipstick, etc, if the engine changes its note, you'll have found a leak I made up a plate with an air fitting on it to fit over the throttle body opening on the plenum chamber and one for the EGR valve, then hooked up the compressor and pressuridet the motor to 7psi.
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