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Home >> Suzuki >> 2013 >> Grand Vitara Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine General Information And Diagnosis >> Diagnostic Information and Procedures >> DTC P2008: Intake Manifold Runner Control Circuit/Open >> DTC Troubleshooting
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DTC Troubleshooting

Step Action Yes No
Was "Engine and Emission Control System Check" performed?  Go to Step 2. Go to ENGINE AND EMISSION CONTROL SYSTEM CHECK .
DTC check 
  1. Check DTC.

Is there DTC(s) other than P2008? 
Go to applicable DTC(s). Go to Step 3.
IMRC valve motor drive circuit (open) and IMRC valve motor drive circuit (close) check 
  1. Check IMRC valve motor drive circuit (open) and IMRC valve motor drive circuit (close) referring to Step 3 of DTC P2004/P2006  .

Are they in good condition? 
Go to Step 4. Repair or replace defective wire harness.
IMRC valve motor check 
  1. Check IMRC valve motor. Refer to IMRC (INTAKE MANIFOLD RUNNER CONTROL) VALVE INSPECTION .

Is it in good condition? 
Substitute a known-good ECM and recheck. Replace IMRC valve. Refer to IMRC (INTAKE MANIFOLD RUNNER CONTROL) VALVE INSPECTION .