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  1. S

    Help Required... Too rich at idle error

    Short term fuel trim is on -33
  2. S

    Help Required... Too rich at idle error

    Help has anyone had this problem before?
  3. S

    P21F9 Fuel System Too Rich At Idle Bank 1

    The following I have changed PCV O2 sensors both new oem Injectors tested and cleaned from R tech HPFP
  4. S

    Help Required... Too rich at idle error

    Only code I get is P21F900.
  5. S

    Help Required... Too rich at idle error

    All my injectors are fine so confused what it can be
  6. S

    P21F9 Fuel System Too Rich At Idle Bank 1

    Mechanic unhooked it and said didn’t make any difference
  7. S

    P21F9 Fuel System Too Rich At Idle Bank 1

    I have tried hpfp and that didn’t make a difference I have know sent off the 8 injectors to r tech performance for testing
  8. S

    Help Required... Too rich at idle error

    What I have done is taken all 8 injectors out and given them to R tech performance for testing.
  9. S

    P21F9 Fuel System Too Rich At Idle Bank 1

    Will try it thanks
  10. S

    P21F9 Fuel System Too Rich At Idle Bank 1

    I brought second hand hpfp today will be installing tomorrow
  11. S

    P21F9 Fuel System Too Rich At Idle Bank 1

    What does that do
  12. S

    P21F9 Fuel System Too Rich At Idle Bank 1

    I have changed the following PCV INJECTORS BOTH O2 SENSORS
  13. S

    P21F9 Fuel System Too Rich At Idle Bank 1

    Anyone had System too Rich problems
  14. S

    Help Required... Too rich at idle error

    Did you manage to get this sorted I have the same faults.
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