The results were

Eng oil temp gauge shown warm

1st fast idle test
co % vol limit 0.30 actual value 0.60 FAIL
HC ppm Vol limit 200 actual value 97 PASS
Lambda limit 0.95/1.09 actual value 1.08 PASS


2nd fast idle test
co % vol limit 0.30 actual value 0.56 FAIL
HC ppm vol limit 200 actual value 83 PASS
Lambda limit 0.95/1.09 actual value 1.07 PASS

Natural idle test
co % vol limit 50 actual value 0.99 FAIL