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All Models (Ported EGR Valve)

WARNING: This page does not describe the selected car, but rather 80 other vehicles, including the 2008 Suzuki Reno, 2008 Suzuki Grand Vitara, 2008 Suzuki Forenza, 2007 Suzuki Reno, and 2007 Suzuki Grand Vitara. However, it is still accessible from the selected car via links, so may be relevant.
  1. Check vacuum hoses for correct routing. Warm engine to operating temperature. Disconnect vacuum hose from carburetor/throttle body. Connect a hand-held vacuum pump to hose. Apply 14 in. Hg to EGR valve. If vacuum holds and idle becomes unstable or engine stalls, EGR valve is functioning properly.
  2. Reconnect vacuum hose. Using a jumper wire, ground signal wire at EGR vacuum solenoid to engine control computer. Increase engine speed 2000-3000 RPM. EGR valve stem should move at least 1/8". If system operates as indicated, system is functioning properly.
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