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Toyota Tundra. Manual - part 1321
Circuit High Input
Open in VTA2
circuit
Open in E2
circuit
Short between
VC and VTA2
circuits
ECM
P0230
Fuel Pump Primary
Circuit
Open or short in
fuel pump
circuit
Fuel pump
Fuel pump ECU
ECM
-
DTC stored
Applies
P0300
Random/Multiple
Cylinder Misfire
Detected
Open or short in
engine wire
harness
Connector
connection
Vacuum hose
connections
Ignition system
Injector
Fuel pressure
Mass Air Flow
(MAF) meter
Engine Coolant
Temperature
(ECT) sensor
Compression
pressure
Valve clearance
Valve timing
PCV valve and
hose
PCV hose
connections
Air induction
system
ECM
Comes on/
Blinks*1
DTC stored
Applies
P0301
Cylinder 1 Misfire
Open or short in Comes on/
DTC stored
Applies
2008 Toyota Tundra
2008 ENGINE PERFORMANCE Engine Control System (2UZ-FE) - Tundra