System Inspection

P2096 Post Catalyst Fuel Trim System too Lean (Bank 1)

Inspection/Repair - System Inspection

System Inspection

Check clog on Exhaust gas system
1. IG KEY "OFF".
2. Check clog on muffler or catalyst converter.
3. Is Exhaust gas system O.K.?





Intake air system check
1. Check leakage on Intake air system.
> Check looseness, deterioration or contamination on throttle body and gasket.
> Check contamination, damage or crack on intake manifold, ISCA and injectors.
> Check for contamination or sticking on the ISCA assembly.
2. Is there any leakage?





Fuel line check
1. Check "Fuel line system"
> Check looseness of connectors on fuel line.
> Check looseness, damage, or interference of vacuum hose on fuel line.
> Check damage, leakage or bending on fuel line pipe.
2. Is fuel line normal?





Fuel line pressure check
1. IG KEY "OFF".
2. Disconnect a fuel pump relay.
3. Engine start and wait until engine stop. and then IG KEY "OFF".
4. Connect a fuel pump relay.
5. Connect a fuel pressure gauge to a fuel filter by a fuel pressure gauge adaptor.
6. Engine start and measure a fuel pressure.

Specification : Approx. 3.5 kg/cm2




7. Is the fuel pressure normal?