Question about 1998 Honda Accord
WHAT IS INVOLED WTYH CHANGING IT
Code P1491 is EGR lift insufficient. It is usually accompanied by P0401. If you have a v6 Accord, there was a recall for the EGR port plugging. Check with your Honda dealer to see if your car is covered under that recall. If you have a 4 cyl, plan on replaceing the EGR. In addition, you need to clean the ports in the engine on the intake and exhaust sides of the EGR ports. To do this, spray some carb/choke//intake cleaner into the ports to saturate the black exhaust build-up. Later, jam a coat hanger or spare dipstick (or some long flexible metal rod) into the parts to break up the black deposits. When your rod passes through easily, spray more cleaner to pass it through. Reassemble and start the engine. It will run rough at first, so you need to give it gas pedal input to burn off the carb cleaner. You should be good to go.
Posted on May 26, 2009
That particular failure has to do with your EGR valve lift being insufficient. The EGR has as lift sensor attached to the top of it and these sensors can go bad. You'll probably need to replace the EGR valve.
Posted on Mar 09, 2009
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Posted on Jan 02, 2017
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