For 1990-2009 cars

#### Special Tools

EN 48974 EGR Cooler Pressure Tester Adapter Set

Cause | Correction
--- | ---
Faulty cylinder head gasket and/or cracking, or other damage to the cylinder head and engine block cooling system passages. Coolant consumption may or may not cause the engine to overheat |

1. Perform a cylinder leak down test. Refer to Cylinder Leakage Test.
2. Inspect the cylinder head and engine block for damage to the coolant passages and/or a faulty head gasket.
3. Repair or replace as required.

Faulty EGR System | Inspect EGR cooler using EN 48974 tester 1 and replace the EGR cooler if any problem is found.