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Preparation for testing, Obd2 19 – Equus 3160 - ABS/SRS + OBD2 Scan Tool User Manual

Page 21

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Preparation for Testing

PRELIMINARY VEHICLE DIAGNOSTIC WORKSHEET

OBD2 19

AUTOMATIC TRANSMISSION PROBLEMS (if applicable)

No symptoms

Shifts too early or too late

Changes gear incorrectly

Vehicle does not move

when in gear

Jerks or bucks

PROBLEM OCCURS

Morning

Afternoon

Anytime

ENGINE TEMPERATURE WHEN PROBLEM OCCURS

Cold

Warm

Hot

DRIVING CONDITIONS WHEN PROBLEM OCCURS

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

DRIVING HABITS

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

GASOLINE USED

87 Octane

89 Octane

91 Octane

More than 91 Octane

WEATHER CONDITIONS WHEN PROBLEM OCCURS

32 - 55° F (0 - 13° C)

Below freezing (32° F / 0° C)

Above 55° F (13° C)

CHECK ENGINE LIGHT / DASH WARNING LIGHT

Sometimes ON

Always ON

Never ON

PECULIAR SMELLS

"Hot"

Sulfur ("rotten egg")

Burning rubber

Gasoline

Burning oil

Electrical

STRANGE NOISES

Rattle

Knock

Squeak

Other