For 1990-2009 cars

#### Exhaust System SOHC (L24)/DOHC (LL0)

Measurement | Standard | Service Limit
--- | --- | ---
Metric | English | Metric | English
Exhaust Back Pressure
At 4,000 RPM (No Load) Coolant Temperature 90°C (195°F) | 5 kPa | 1.5 in Hg max | Note: Wide open throttle checks are performed at 24 km/h (15 mph) in D for auto transaxles and 3rd gear for manual transaxles.
Wide Open Throttle Check | 50 kPa | 7.25 psi max