Preparation for testing – Equus 3120 - OBD 2&1 Tool Kit User Manual

Page 18

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16

OBD2 & 1

E

Preparation for Testing

PRELIMINARY VEHICLE DIAGNOSIS WORKSHEET

AUTOMATIC TRANSMISSION PROBLEMS (if applicable)

PROBLEM OCCURS

Morning

Afternoon

Anytime

ENGINE TEMPERATURE WHEN PROBLEM OCCURS

Cold

Warm

Hot

DRIVING CONDITIONS WHEN PROBLEM OCCURS

DRIVING HABITS

GASOLINE USED

WEATHER CONDITIONS WHEN PROBLEM OCCURS

CHECK ENGINE LIGHT / DASH WARNING LIGHT

Sometimes ON

Always ON

Never ON

PECULIAR SMELLS

STRANGE NOISES

Short - less than 2 miles

2 - 10 miles

Long - more than 10 miles

Stop and go

While turning

While braking

At gear engagement

With A/C operating

With headlights on

During acceleration

Mostly driving downhill

Mostly driving uphill

Mostly driving level

Mostly driving curvy roads

Mostly driving rough roads

Mostly city driving

Highway

Park vehicle inside

Park vehicle outside

Drive less than 10 miles per day

Drive 10 to 50 miles per day

Drive more than 50 miles per day

87 Octane

89 Octane

91 Octane

More than 91 Octane

32 - 55° F (0 - 13° C)

Below freezing (32° F / 0° C)

Above 55° F (13° C)

"Hot"

Sulfur ("rotten egg")

Burning rubber

Gasoline

Burning oil

Electrical

Rattle

Knock

Squeak

Other

No symptoms

Shifts too early or too late

Changes gear incorrectly

Vehicle does not move when in
gear

Jerks or bucks

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