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QB93Z · 07-18-2009

Thanks for the responses.

I understand now about the Injector duty cycle reading, divide by two. I went back to some older scans and the readings were similar to yesterdays, but I never noticed the X2 value before. I guess I was concentrating on other readings.

Bob, I looked at some other WOT data on this scan (long pull from 40 to 70 mph in fifth gear, 1700 to 2800 rpm. MAP flucuates from 99.3 to 100.1 for the 5 seconds duration (avg 99.7). During the 0 to 100 mph run pictured above, the MAP flucuates from about 97.5 to 98.2 KPa ( avg 97.85). Is the difference you are pointing out?

I will check out the duct and the air filter. Thanks.

Jim

07-18-2009	#6
QB93Z Join Date: May 2007 Location: Westminster, Maryland Posts: 3,684	Re: Need help understanding scan data Thanks for the responses. I understand now about the Injector duty cycle reading, divide by two. I went back to some older scans and the readings were similar to yesterdays, but I never noticed the X2 value before. I guess I was concentrating on other readings. Bob, I looked at some other WOT data on this scan (long pull from 40 to 70 mph in fifth gear, 1700 to 2800 rpm. MAP flucuates from 99.3 to 100.1 for the 5 seconds duration (avg 99.7). During the 0 to 100 mph run pictured above, the MAP flucuates from about 97.5 to 98.2 KPa ( avg 97.85). Is the difference you are pointing out? I will check out the duct and the air filter. Thanks. Jim