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What p1491 mean for Honda Prelude?

Anonymous

∙ 13y ago

Updated: 10/20/2022

It means yor getting unsufficent lift from your egr. Best thing to do is check connections possibly replace if need be. I replaced mine code went away for a lil while and then came back so could be egr or wiring or your ecu

Wiki User

∙ 13y ago

What else can I help you with?

98 Honda Prelude error code P1491?

Code P1491 Means: EGR Valve Lift Insufficient Detected EGR Valve needs to be replaced

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Could be an EGR port clogged with carbon. Remove and clean EGR and EGR ports.

What does OBD code P1491 mean?

P1491 - Radiator Fan Control Relay Circuit

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Honda Prelude was created in 1978.

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I'm not sure what you mean here...are you wondering what tire size is on a 1992 Honda Prelude? Or, how do you get to the spare tire? Or, how do you remove a tire?

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P1491 = radiator fan relay circuit

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Programed Fuel Injection

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Needs more explanation on what you mean by "scan".

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