1 - 10 General Information 5.0/5.7/6.0/8.1L
MEFI 4 - PCM
BARO - BAROMETRIC PRESSURE
BAT - BATTERY, BATTERY POSITIVE
TERMINAL, BATTERY OR SYSTEM
VOLTAGE
B+ - BATTERY POSITIVE
CKP - CRANKSHAFT POSITION SENSOR
CKT - CIRCUIT
CMP - CAMSHAFT POSITION SENSOR
CONN - CONNECTOR
CYL - CYLINDER
DEG - DEGREES
DIAG - DIAGNOSTIC
DLC - DATA LINK CONNECTOR
DMM - DIGITAL MULTIMETER
DTC - DIAGNOSTIC TROUBLE CODE
ECM - ENGINE CONTROL MODULE
ECT - ENGINE COOLANT TEMPERATURE
SENSOR
EEPROM - ELECTRONIC ERASABLE
PROGRAMMABLE READ ONLY
MEMORY
EI - ELECTRONIC IGNITION
EMI - ELECTROMAGNETIC
INTERFERENCE
ENG - ENGINE
GND - GROUND
GPH - GALLONS PER HOUR
HVS - HIGH-VOLTAGE SWITCH
IAC - IDLE AIR CONTROL
IAT - INTAKE AIR TEMPERATURE
IC - IGNITION CONTROL
IGN - IGNITION
INJ - INJECTOR
I/O - INPUT/OUTPUT
kPa - KILOPASCAL
ABBREVIATIONS
KS - KNOCK SENSOR SYSTEM
KV - KILOVOLTS
MAP - MANIFOLD ABSOLUTE PRESSURE
MEFI - MARINE ELECTRONIC FUEL
INJECTION
MFI - MULTIPORT FUEL INJECTION
MIL - MALFUNCTION INDICATOR LAMP
MSEC - MILLSECOND
N/C - NORMALLY CLOSED
N/O - NORMALLY OPEN
OBD - ON-BOARD DIAGNOSTIC SYSTEM
CHECK
OPT - OPTIONAL
PFI - PORT FUEL INJECTION
PROM - PROGRAMMABLE READ ONLY
MEMORY
RAM - RANDOM ACESS MEMORY
REF HI - REFERENCE HIGH
REF LO - REFERENCE LOW
ROM - READ ONLY MEMORY
SLV - SLAVE
SW - SWITCH
TACH - TACHOMETER
TBI - THROTTLE BODY INJECTION
TERM - TERMINAL
TP - THROTTLE POSITION SENSOR
V - VOLTS
VAC - VACUUM
WOT - WIDE OPEN THROTTLE
“ HG - INCHES OF MERCURY
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