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Preparation for Testing
PRELIMINARY VEHICLE DIAGNOSTIC WORKSHEET
MD70 33
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