WHAT ARE YOU EMITTING
WHAT THE MAF
FOOT TO THE FLOOR
YOU CAN DO IT
THE DIRECT PATH
CUT THE TRIM OFF
100

THIS IS THE TEMPERATURE THE CYLINDER NEEDS TO REACH FOR NOX TO FORM.

WHAT IS  1360 C

100

THIS IS THE UNIT OF MEASURE FOR THE MAF

(METRIC)

WHAT IS GRAMS PER SECOND

100

THIS POTENTIOMETER ON MOST MODERN VEHICLES HAS A REDUNDANT SIGNALS MONITORING THE THROTTLE BLADE

WHAT IS THE THROTTLE POSITION SENSOR (TPS)

100

THIS IS THE NUMBER OF TWISTED WIRES IN A CAN SYSTEM 

WHAT IS 2

100

THIS PUMP IS USED TO DELIVER FUEL FROM THE TANK AT A PRESSURE OF 40 TO 60 PSI (275 TO 415 KPA) TO THE SECONDARY PUMP

WHAT IS THE LOW PRESURE PUMP


ALTHOUGH THE PRESSURE HASNT CHANGE. THERE IS JUST NOW A HIGHER PRESSURE PUMP.

100

WITH A SHORT TERM FUEL TRIM AT +25% THE ECM  WOULD BE DOING THIS WITH THE FUEL

WHAT IS ADDING FUEL 

200

UNBURNT FUEL IN THE COMBUSTION CHAMBER WOULD CAUSE THIS TO RISE

WHAT ARE HYDROCARBONS

200

A HOT WIRE GETS COOLED BY THIS AND THAT DETERMINES THE MASS OF AIR ENTERING THE ENGINE

WHAT IS FILTERED AIR


200

WHEN WATCHING THE 2 SIGNALS OF A TPS THEY SHOULD BE ?

WHAT IS BE OPPOSITE

200

EACH OF THESE IS 120 OHMS AND IS WIRED IN PARALLEL TO CREATE 60 OHMS OF RESISTANCE

WHAT THE TERMINATING RESISTORS

200

THIS IS WHERE THE INJECTORS ARE LOCATED AND SPRAY IN A GDI SYSTEM.

WHERE IS THE CYLINDER HEAD. 

(COMBUSTION CHAMBER)

200

WITH A SHORT TERM FUEL TRIM AT -25% YOU COULD SUSPECT THIS IS THE CAUSE 

WHAT IS A LEAKING INJECTOR

300

IF SUNLIGHT IS ADDED TO HYDROCARBONS AND THIS SMOG IS CREATED

NOX (OXIDES OF NITROGEN)

300

WITH ONE BEING 5 VOLTS AND ANOTHER BEING GROUND THE STAND ALONE MAF USUALLY HAS THIS MANY WIRES


WHAT IS THREE (3)

300

THIS DUAL POTENTIOMETER SENDS THE DRIVERS REQUEST TO THE PCM

WHAT IS THE ACCELERATOR PEDAL POSITION SENSOR (APP)

300

AT SPEEDS OF UP TO 500kbps THIS CLASSIFICATION OF CAN IS THE MIDDLE SPEED

WHAT IS CAN C

300

THE HIGH PRESSURE PUMP RUNS OFF OF THIS ENGINE COMPONENT TO CREATE THE PRESSURE NEEDED.

WHAT IS THE CAMSHAFT

300

AS THE FUEL TRIM PASSES THROUGH +25% AND STAYS THERE THE MOST LIKELY CAUSE OF THIS WOULD BE THIS 

WHAT IS A VACUUM LEAK


(UNMETERED AIR)

400

A RICH AIR/FUEL MIXTURE WOULD CAUSE THIS EMISSION TO RISE 

CARBON MONOXCIDES (CO)

400


WHAT IS A MFFR

400

THE RANGE OF THE TPS AND APP  VOLTAGE IS TYPICALLY THIS ALL BE IT CAN BE REVERSED

WHAT IS 0 TO 5 VOLTS

OR 5 TO 0 VOLTS

400

THESE 2 PINS IN THE DLC ARE FOR THE CAN LINE COMMUNICATION WITH A SCAN TOOL AND A GOOD PLACE TO CHECK THE RESISTORS

WHAT ARE PINS 6 AND 14

400

THIS IS THE TYPICAL IDLE PRESSURE FOR THE HIGH SYSTEM

WHAT IS 300 KPA TO 400 KPA

400

THIS IS WHEN THE ECM STARTS USING FUEL TRIM PERCENTAGES

WHAT IS CLOSED LOOP 

500

WITH AN IDEAL MIXTURE THIS IS THE DESIRED BY-PRODUCT OF COMBUSTION

CARBON DIOXIDE (CO2)

500

IF THERE ARE FIVE WIRES AT THE MAF SENSOR THEN THIS SENSOR HAS BEEN ADDED TO IT.

WHAT IS THE IAT 

(INTAKE AIR TMEP SENSOR)

500

FOR THE VOLTAGE TO BE ZERO ON THE SIGNAL WIRE THE RESISTANCE ON THE SYSTEM WILL BE THIS?

WHAT IS HIGH RESISTANCE

500

STAR AND RING ARE NOT THE TOPOLOGY OF THE CAN BUS SYSTEM BUT THIS ONE IS 

WHAT IS LINEAR

500

THIS IS THE  TYPICAL MAX RANGE OF THE HIGH PRESSURE PUMP IS THIS IN KPA

WHAT IS 20 000 KPA 

(200 BAR)

(2900 PSI)

500

THIS IS WHAT HAPPENS TO THE SHORT TERM FUEL TRIM IF A CODE IS SET AND THE ECM GOES INTO OPEN LOOP

WHAT IS RETURNS TO 0%

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