Manual

Preparation for Testing
PRELIMINARY VEHICLE DIAGNOSTIC WORKSHEET
OBD2 33
WHEN DID YOU FIRST NOTICE THE PROBLEM:
❏ Just Started
❏ Started Last Week
❏ Started Last Month
❏ Other:
m
LIST ANY REPAIRS DONE IN THE PAST SIX MONTHS:
PROBLEMS STARTING
❏ No symptoms
❏ Will not crank
❏ Cranks, but will not start
❏ Starts, but takes a long
time
ENGINE QUITS OR STALLS
❏ 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
IDLING CONDITIONS
❏ 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
RUNNING CONDITIONS
❏ 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