Rich and Lean
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Rich & Lean
info info info
Rich
Coolant sensor incorrectly reporting back that the engine is cold.
Faulty Lambda sensor/and or leak in the exhaust system making the lambda sensor read incorrectly.
Heavily soiled air filter.
Possibility of dodgy a dodgy TPS although you should feel this when accelerating.
Possibility of a dodgy MAP sensor.
Lean
Clogged fuel system/fuel filter/knackered fuel pump/partially blocked injectors.
Dodgy Lambda sensor
Inlet manifold leak
IACV leak/issue