Badmotorf1nger

Is it possible to check with a Tech2, the max recorded vehicle speed, engine RPM etc? Was tinkering around with it but cant seem to find any menus that show anything like that

thanks

schpenxel

Don't think so

Bill Dearborn

When my LS7 dropped a valve on the track it threw a manifold vacuum code just as everything opened up with the exhaust valve head going into the intake and breaking off the intake valve head as it went by. That is when coolant from the cracked cylinder wall went through all of the other cylinders.

When the dealership ran the Tech 2 to gather useage data for GM they found the code occurred at 1300 rpm at a speed of 113 mph. I had run the car to 118 mph in 3rd and was just shifting to 4th when the engine failed. Just as I was pushing the clutch in the car vibrated pretty badly and as the pedal went down the tach went to zero and the car slowed. What they found sure looks like it coincided well with the incident that happened.

Bill

schpenxel

Two totally different things.

jft69z

Yep.

After a code sets, the system records a 'Freeze Frame' record with a bunch of the PIDS. Basically a snapshot in time of what was going on when the code set. Helpful for troubleshooting.