Asm test min rpm 400 and max rpm 1200, can’t keep up with the rpm it will go over 1200 rpm in 1st or 2nd gear, any trick to keep up with rpm range
that's the beginning idle portion of the test I believe your talking about. Just put the sniffer in the pipe and let it idle until it gives the green light. It will then change to 1500rpm. If it isn't changing, there might be dilution and they will need to get that fixed.