TPMS speed limited
Thread Starter
Melting Slicks
Joined: Oct 2009
Posts: 2,004
Likes: 392
From: Long Island New York
TPMS speed limited
Lowered my rear tire pressure to 23psi for traction from the dig. I did a data log yesterday and throttle closed at 100mph even though I was still fully on the accel pedal. Anyone seen this before?
Last edited by BlueDevilZ51; Aug 18, 2020 at 09:03 AM.
Tech Contributor
Joined: Oct 1999
Posts: 41,058
Likes: 9,820
From: Charlotte, NC (formerly Endicott, NY)
TPMS doesn't lower speed anymore. They set it up like the C5. You get a message but unlike the C6 they don't slow the car to 55 mph in turns. I have run without TPMS in all 4 wheels with no issues. I have set my tire pressures at all 4 wheels at the same pressure you have set yours with no issues.
Bill
Bill
Thread Starter
Melting Slicks
Joined: Oct 2009
Posts: 2,004
Likes: 392
From: Long Island New York
Blue line is accel pedal position. RPM going through the gears is the thin green line from 165.5 to approximately 172 second mark in log
Orange line is throttle position, as you can see in the datalog the throttle closed to 42.35% as the accel pedal was still to the floor. I’ve never had this happen before, only thing different was my rear tire pressure was at 23 psi and I did have a light on the dash for low fuel. I’ll let you guys know what I figure out.( The throttle cut out is shown at 171.5 to 172.25 seconds into the log)
I see you guys say you have run at high speed with no TPMS installed but have you with them installed but at low pressure?
i didn’t log fuel pressure so that is also suspect being I was so low on fuel
Last edited by BlueDevilZ51; Aug 19, 2020 at 11:35 PM.
Tech Contributor
Joined: Oct 1999
Posts: 41,058
Likes: 9,820
From: Charlotte, NC (formerly Endicott, NY)
Blue line is accel pedal position. RPM going through the gears is the thin green line from 165.5 to approximately 172 second mark in log
Orange line is throttle position, as you can see in the datalog the throttle closed to 42.35% as the accel pedal was still to the floor. I’ve never had this happen before, only thing different was my rear tire pressure was at 23 psi and I did have a light on the dash for low fuel. I’ll let you guys know what I figure out.( The throttle cut out is shown at 171.5 to 172.25 seconds into the log)
I see you guys say you have run at high speed with no TPMS installed but have you with them installed but at low pressure?
i didn’t log fuel pressure so that is also suspect being I was so low on fuel
Orange line is throttle position, as you can see in the datalog the throttle closed to 42.35% as the accel pedal was still to the floor. I’ve never had this happen before, only thing different was my rear tire pressure was at 23 psi and I did have a light on the dash for low fuel. I’ll let you guys know what I figure out.( The throttle cut out is shown at 171.5 to 172.25 seconds into the log)
I see you guys say you have run at high speed with no TPMS installed but have you with them installed but at low pressure?
i didn’t log fuel pressure so that is also suspect being I was so low on fuel
Bill
