Preparation for testing – Equus 3130 - Scan Tool – OBD2 User Manual

Page 20

Advertising
background image

18

OBD2

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

Advertising