abs, traction control and service light

[mrzoggs]

these lights come on all at once, but then after starting and stopping the ignition they generally go off...

performance wise theres nothign wrong except the loud knocking noise alot of 172 owners get in 1st when nailing it...

any help please

 

[edde]

best get the car plugged into the diagnostics machine but realy I'c check the abs sensors on your front wheels Id imagive there damaged or blocked etc