For 1990-2009 cars

Inspection | Action
--- | ---
DEFINITION: Base engine misfire with coolant consumption
Preliminary Inspection | Verify that there are no external coolant leaks. Refer to Symptoms - Engine Cooling .
Isolate Affected Cylinders |

• | Cylinder balance test with scan tool

• | Cooling system pressurization

• | Inspection of glow plugs

• | Compression test

EGR System Inspection |

• | Inspect EGR valve and intake system for evidence of coolant leakage.

• | Replace the EGR cooler if any problem is found.

Cylinder Head Gasket Leakage |

• | Remove cylinder heads of the affected cylinder bank and inspect for damage.

• | Replace components as necessary.

Cylinder Head or Engine Block Damage. |

• | Inspect the cylinder head for cracks.

• | Inspect the cylinder block for damage.

• | Inspect the cylinder block to head mating surface for straightness.

• | Replace components as necessary.