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Fiesta-Si.com :: View topic - my 2ltr.. fault codes and overfueling.. help
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my 2ltr.. fault codes and overfueling.. help
https://www.fiesta-si.com/forums/viewtopic.php?f=4&t=13743		 Page 1 of 1
Author:  Andyfloss03 [ Thu Dec 11, 2008 10:51 am ]
Post subject:  my 2ltr.. fault codes and overfueling.. help
2 questions…


Basically my car was overfueling a bit on and off .. I think it might be electrical or the fuel pump as I can here the fuel pump relay going constant and the fuel pump is too.. Causing REALLY BAD idle and just spitting out petrol… dying when you drive due to overfueing.. I think its wiring or fuel pump shed anylight?!?

ALSO I tried to put a code read on my car using 3 plugs by the battery / headlight… it just comes up with undocumented fault ….and ou cant clear fault codes you have to fix the problem first or something… my car don’t even have an enginemanagment light so how you suppose to know when it fkkss up?!?!

HELP haha
Author:  onslack [ Thu Dec 11, 2008 11:10 am ]
Post subject:  Re: my 2ltr.. fault codes and overfueling.. help
might sound daft but, have you tried replacing the temp sensor for the ecu? top of the thermostat as when thats shot it does cause some over fueling

what about your lambda? mine had a bad idle( would try and cut out alot when the rev's were down/low) and i replaced my lambda and it seemed to cure the issue
Author:  Andyfloss03 [ Thu Dec 11, 2008 2:35 pm ]
Post subject:  Re: my 2ltr.. fault codes and overfueling.. help
someone said lambda sensor...temp sensor.. near coilpack on top of like the water pump?! seems water is leaing from there you know
Author:  onslack [ Thu Dec 11, 2008 2:43 pm ]
Post subject:  Re: my 2ltr.. fault codes and overfueling.. help
water pump is other side(drivers side) ;)

temp sensor is near the coil pack on top of the thermostat(passenger side), there are 2 sensors on the thermostat, one on the bottom is for the temp gauge

mine use to idle like shit so replaced that and it made it a bit better then had my cam timing done and it made it even better, but i dont think the cam's are your issue :lol:

iirc a new temp sensor from ford was £23 i think :look: try the lambda if you can get hold of a spare that you know is working

not sure on the fault code though :red:
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