Equus 3120 - OBD 2&1 Tool Kit - Manual (Page 17)

OBD2 & 1 15
E
Preparation for Testing
PRELIMINARY VEHICLE DIAGNOSIS WORKSHEET
WHEN DID YOU FIRST NOTICE THE PROBLEM:
❑ Just Started
❑ Started Last Week
❑ Started Last Month
❑ Other:
LIST ANY REPAIRS DONE IN THE PAST SIX MONTHS:
PROBLEMS STARTING
ENGINE QUITS OR STALLS
IDLING CONDITIONS
RUNNING CONDITIONS
❑ No symptoms
❑ Will not crank
❑ Cranks, but will not start
❑ Starts, but takes a long time
❑ No symptoms
❑ Right after starting
❑ When shifting into gear
❑ During steady-speed driving
❑ Right after vehicle comes to a stop
❑ While idling
❑ During acceleration
❑ When parking
❑ No symptoms
❑ Is too slow at all times
❑ Is too fast
❑ Is sometimes too fast or too slow
❑ Is rough or uneven
❑ Fluctuates up and down
❑ No symptoms
❑ Runs rough
❑ Lacks power
❑ Bucks and jerks
❑ Poor fuel economy
❑ Hesitates or stumbles on
accelerations
❑ Backfires
❑ Misfires or cuts out
❑ Engine knocks, pings or rattles
❑ Surges
❑ Dieseling or run-on