DRIVEABILITY WORKSHEET – To provide a quick, complete and accurate diagnosis of your vehicle our technicians need a thorough
description of the problem.  Please take a few minutes to complete this worksheet to the best of your ability.  The information you
provide will be a tremendous aid to the technician.
  DRIVEABILITY SYMPTOMS                                                           CONDITIONS OF OCCURRENCE
My vehicle’s “CHECK ENGINE” LIGHT
   Hot Weather        
  Engine Cold        
 When Shifting         
Transmission      
 shifts  
87
89
91
Emissions test failure or “rotten egg” odor


Please check all symptoms that apply to your vehicle
Name:
Counter
VEHICLE
INFORMATION
Make
Year
Mileage
Model
Engine
Vehicle Identification Number
Time:
Distance:
Speed:
Glows steadily    
Glows intermittently
Morning
Less than 2 miles
Idle
Never comes on
Midday
From 2 to 10 miles
Low speed
While operating the starter, my vehicle
Evening
More than 10 miles
Stop & go
Night
Conditions:
Will not
crank
Cranks
slowly
Cranks
normally
Highway (Cruise)
Uphill
Acceleration
While starting, my vehicle
Downhill
Deceleration
Will not start   
Frequency of Conditions
Starts and dies
Starts normally
Always
Since new
Intermittently
After
miles
Is difficult to start when

Hot
Cold
Environmental Conditions
While idiling, my vehicle
Cold Weather     
Wet/Raining
Fog
Will not idle
Idles too slow
Snow
Dirt/Dust
Idles rough
Idles too high
Engine Conditions
Surges (up & down)
Backfires
While Turning     
Idles normally
Engine Hot  
While Braking
While driving, my vehicle
All temperatures
With Headlights ON   
With A/C ON     
Backfires
Pings (spark, knock, detonation)
Driving Habits
Runs too hot
Runs too cold
Start cold engine and drive immediately
Start cold engine and allow to warm up
Smokes
excessively
Black
Blue
White
Mostly highway driving
Has a fuel or gas odor
Surges
Mostly city driving
Hesitates
Stumbles
Misses
Park in garage
Lacks power (sluggish)  
Cuts out
Stalls when slowing or stopping
Stalls
Fuel Quality
Average miles driven
per day
Vibrates excessively
Type of fuel used
Other Symptoms
Shifts too late
Brand of fuel
Shifts too soon
Octane Rating  
Greater than 91
Normally
Poor fuel mileage
Last fill-up date  
Miles  
Other (Please explain)