Egr Valve -- On-Vehicle Inspection |
1. INSPECT NO. 2 EGR VALVE ASSEMBLY |
With the engine stopped, check that the EGR cooler by-pass valve regulating link is in the bypass position as shown in the illustration.
Text in Illustration *a EGR Cooler By-pass Valve Regulating Link *b Bypass Position *c Cooler Position
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Start the engine.
Warm up the engine.
When the engine coolant temperature is 80°C (176°F) or more, racing the engine at 1500 rpm or more, check that the EGR cooler by-pass valve regulating link is in the cooler position. The EGR cooler by-pass valve regulating link returns to the bypass position when idling.