VANESSA

Budding Enthusiast
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About VANESSA

  • Rank
    Newbie

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  • Ford Model
    zetec
  1. I have a 2002 Ford Fiesta Zetec and it has failed its MOT on the Offside Rear Exhaust emissions carbon monoxide content after 2nd fast idle excessive. The garage I took it to said they could not diagnose the problem and advised I book it into a Ford garage for diagnosis. In the meantime I thought I would try my local Kwik fit to which they carried out the following tests and could not resolve the problem: 1. Changed air filter 2. Fuel Treatment added 3. Lamda ( sensor 2 ) ( Rear ) changed: Reversed readings from CO high to Lamda high / CO low 4.Repaired broken pipe ( vacuum) from fuel rail 5. Refit clips to air filter housing and induction piping 6. Run OBD diagnostic ( no errors stored) They have written on their report: Vacuum noise coming from right hand connection of fuel rail. Maybe allowing excess air into return system Any suggestions to what could be the direct problem before I put it into a Ford garage ?
  2. Hi, I have a 2002 Ford Fiesta Zetec and it has failed its MOT on the Offside Rear Exhaust emissions carbon monoxide content after 2nd fast idle excessive. The garage I took it to said they could not diagnose the problem and advised I book it into a Ford garage for diagnosis. In the meantime I thought I would try my local Kwik fit to which they carried out the following tests and could not resolve the problem: 1. Changed air filter 2. Fuel Treatment added 3. Lamda ( sensor 2 ) ( Rear ) changed: Reversed readings from CO high to Lamda high / CO low 4.Repaired broken pipe ( vacuum) from fuel rail 5. Refit clips to air filter housing and induction piping 6. Run OBD diagnostic ( no errors stored) They have written on their report: Vacuum noise coming from right hand connection of fuel rail. Maybe allowing excess air into return system Any suggestions to what could be the direct problem before I put it into a Ford garage ? Thank you Vanessa