Question about 2000 Honda Passport
Check engine light. Code: Exhaust gas recirculation flow insufficient. What should I replace/check?
Usually this is due to carbon build up. Fuel injector cleaners will not help. It involves removal of the EGR valve and inspection of the valve for carbon and the passages for carbon. You can also test the valve itself prior to removal if it is vaccuum operated. Unplug the vac hose, plug it and then install a piece of vac hose long enough to reach it without bending over the engine. While the engine is idleing apply vaccuum to the hose via a pump or the old fashioned way via sucking on it and note engine idle change. If none either the baffle is bad inside the valve or it is clogged. Hope this helps.
Also, some EGR valves have a vac control solenoid and those go bad too. If the idle does change via the procedure above then suspect the control vac solenoid.
Posted on Jul 15, 2010
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Posted on Jan 02, 2017
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