efi problem

dzorde dzorde at geocities.com
Thu Jun 5 15:45:54 GMT 1997


Check your fuel pressure, then check your temp sensor.  If this has a bad
connection or is stuffed, the unit may be running on permanent cold
enrichment, this could explain why the injector pulses are longer than what
they should be.

Dan     dzorde at geocities.com

>Could you give me some ideas on a problem on a XF Ford 4.1 efi
>manufactured 9/1987 using BOSCH EEC-1V injection.
>The car up to now has been running well with normal maintenance.
>Then it started to consume heaps of fuel and blowing black smoke like
>an untuned diesel.
>Took the car to Ford for investigation and they said it must be the
>injectors need cleaning...this was done and the car was worse.
>Ford said and was confirmed by a second injection specialist that all
>the voltage inputs to the computer were correct and so the computer was
>replaced but to no avail. 
>The injectors should open between 2-10mS but on mine the minimium is
>4mS.
>It appears to me to be an input telling the computer to enrichen the
>fuel mixture.......as the injectors are directly connected to the output
>of the computer. Checking all wiring and vacuum tubes now.
>After that I guess I'm lost.
> 
>Would be very thankful for any idears
>
>Graham Hughes
>
>Australia
>
>hughesy at fastlink.com.au
>>
>




More information about the Diy_efi mailing list