Can you help
Failed my MOT on Emissions Took my car to my Renault dealer for check. They stated checket for injection faults, DF330 on clip found pink rate high, faulty pinking sensor. Checked 02 upstream and downstream sensors, both need replaced. The diagnostic sheet showed present faults 0 Stored faults 0. The Renault mechanic said the MOT results indicated that it is not a cat issue and that the replaceing the above parts sould resolve the emission failure. But it did not
Work was done as recommended then back to my local MOT tester and it failed again on emissions.
MOT exhaust emissions test results
Fast idle test fail
CO = 1.78 fail
Lambda = 0.949 fail
Second Fast Idle Test fail
CO = 2.62
HC = 228 Fail
Lambda = 0.932 fail
Overall Result Exhaust Emissions Test Fail
Any suggestions would be very welcome
Thank you
Robert
Failed my MOT on Emissions Took my car to my Renault dealer for check. They stated checket for injection faults, DF330 on clip found pink rate high, faulty pinking sensor. Checked 02 upstream and downstream sensors, both need replaced. The diagnostic sheet showed present faults 0 Stored faults 0. The Renault mechanic said the MOT results indicated that it is not a cat issue and that the replaceing the above parts sould resolve the emission failure. But it did not
Work was done as recommended then back to my local MOT tester and it failed again on emissions.
MOT exhaust emissions test results
Fast idle test fail
CO = 1.78 fail
Lambda = 0.949 fail
Second Fast Idle Test fail
CO = 2.62
HC = 228 Fail
Lambda = 0.932 fail
Overall Result Exhaust Emissions Test Fail
Any suggestions would be very welcome
Thank you
Robert