valve and clean the carbon from the port it is connected to, they are known to get clogged up, you may also have a bad egr valve. P1491 EGR Valve Lift Insufficient Detected.Here's the reading
P1491 CHECK ENGINE LIGHT ON P1491 EGR Valve Lift Insufficient Detected.Egr may need replacing.
...P1491 = Exhaust Gas Recirculation (EGR) Valve insufficient lift. P1456 = Evaporative emissions (EVAP) control system leakage (fuel tank system). Check the EGR valve for a failed vacuum diaphragm. ...
...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 ...
P1491? 1997 Honda Accord hi, "EGR Valve Lift Insufficient Detected" is most often caused by a broken vacuum line going to the EGR valve. So I would check all the vaccum lines to be sure they are tight
...P1491. What does that mean? I have already replaced the egr valve recently. need a new egr valve go to the parts store and buy one and a couple of small wrenches you will find that is easy PS make ...
...causes of DTC P1491? Definition of Diagnostic Trouble Code P1491 Acura: Exhaust Gas Recirculation (EGR) Valve Insufficient Lift EGR Honda: Exhaust Gas Recirculation (EGR) Valve Insufficient Lift ...
Question about Cars & Trucks
...both fans are still running. What else can I check to clear the code? check these links error code is p1491 EGR valve lift insufficient how to make this repair... P1491 Vacuum Valve cut bypass ...
...P1491 in Honda/Acura vehicles means insufficient EGR valve lift. Note - this is not the same as 0401 for EGR low flow when you have to clean EGR passage in the intake manifold. If code 1491 is not ...
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