Engine compartment check locations
Engine compartment check locations
QR25DE engine
Engine coolant reservoir
Engine oil filler cap
Brake fluid reservoir
Battery
Air cleaner
Fuse/Fusible link box
Radiator cap
Engine oil dipstick
Drive belt location
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P0420 three way catalyst function
DTC Description
DTC DETECTION LOGIC
The ECM monitors the switching frequency ratio of air fuel ratio (A/F)
sensor 1 and heated oxygen sensor 2.
A three way catalyst (manifold) with high oxygen storage capacity
will indicate a low switching frequency of heated oxygen sensor 2.
As oxygen sto ...
Oil cooler
Exploded View
Intake manifold
Cylinder block
Clamp
Water hose
Water hose clip
Water hose
Oil cooler
Gasket
Oil cooler relief valve
Front
Removal and Installation
WARNING:
Be careful not to burn yourself, as engine oil and ...