The DISplus/GT-1 are helpful in pinpointing the cause of an engine misfire.
Once the short test is completed,
the fault memory of the ECM can be read out to determine which cylinder or
cylinders have set misfire faults.
There may or may not be any faults present. The engine could be running rough
1.0 Recommended tools
Only use those tools designed for steel repairs.
2.0 Straightening outer shell
"Cold" straightening: Press dents out from their center and smooth in an
inwards direction with
gentle taps.
In the case of small, soft dents (hail and parking damage), this is also
possible