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XF ECU Error Codes 

 

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 Post subject: XF ECU Error Codes
Posted: Fri Feb 03, 2006 11:13 pm 
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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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Posted: Sat Feb 04, 2006 6:24 am 
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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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Posted: Sat Feb 04, 2006 6:44 pm 
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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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Posted: Sat Feb 04, 2006 10:58 pm 
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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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Posted: Sun Feb 05, 2006 3:41 pm 
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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 :idea:

I did a pressure test on the motor and found no air leaks.

Thanks for your reply
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Posted: Sun Feb 05, 2006 3:45 pm 
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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?

 

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Posted: Sun Feb 05, 2006 4:08 pm 
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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 :idea:

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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Posted: Sun Feb 05, 2006 4:41 pm 
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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 :idea:

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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Posted: Sun Feb 05, 2006 4:47 pm 
Getting Side Ways
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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 :idea:

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.
that doesnt rule out any leaks in the throttlebody or the hoses that go onto it, as well as the crankcase, cos the crankcase has to be airtight too due to the PCV system venting into the intake tract after the afm

 

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