crankcase gases

What Is Crankcase Emission Control System?

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What Is Crankcase Emission Control System? Your crankcase emissions control system is responsible for maintaining positive pressure inside the crankcase. The system moves exhaust gases from the crankcase and through the intake so that they’re re-burned. This not only reduces emissions, but boosts fuel economy. What is crankcase emission? Crankcase emissions means airborne substances emitted

Where Is The PCV Valve On A 2007 Jeep Commander?

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Where Is The PCV Valve On A 2007 Jeep Commander? Engine misfires at idle. Lean air-fuel mixture. Presence of engine oil in PCV valve or hose. Increased oil consumption. Hard engine start. Rough engine idle. Possibly black smoke. Oil fouled spark plugs. What are signs of a bad PCV valve? Engine misfires at idle. Lean