Question about 1997 Honda Accord

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In layman's terms, what does Honda code , EGR valve lift insufficient detected, mean?

Posted by Anonymous on

6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

  • 48 Answers

SOURCE: 2000 Honda Accord EGR Valve Error P0401

Jason,
-after you change the part you have to reset/clear the code

-this can be done by either:
(1) using the OBD2 code reader that Autozone used OR since option 2 (below) is very quick
(2) disconnecting the battery for about 30 seconds (this will delete all codes/radio presets/etc) but it will also clear the 'check engine' code
-this is what I do AFTER i write down my radio station presets :)

-hopefully the new EGR valve resolves your issue after you CLEAR the code
...but that code just means a an insufficient amount of Exhaust Gas recirculation (pressure difference) used to keep the emissions in check
-if it comes back, then there are a few other fixes to try also

-let me know if you need further assistance
-please remember to rate me `fix-ya`if it works
thanks

Posted on Nov 03, 2008

  • 21 Answers

SOURCE: 2002 accord code P0401 [egr insufficient flow detected]

the code you have may not be due to insufficient lift, more likely you have either high or low voltage running through egr. replace the valve and your issues should go away.

Posted on Feb 02, 2009

STEVIE_N_24
  • 147 Answers

SOURCE: How do you clean the EGR valve on a 99' Honda Civic?

Pull vacuum on egr valve with engine idling and see if engine stumbles and tries to die until vacuum is released. If this DOES NOT happen the egr exhaust passage is plugged will need to remove egr valve assembly and remove carbon from passage into cylinder head.

Posted on Mar 29, 2009

ZJLimited
  • 17970 Answers

SOURCE: check engine light comes on and off, auto zone

The EGR valve helps your car more efficiently and completely burn fuel by recirculating a portion of your exhaust and running it through the combustion process again. When the EGR valve goes bad, it must be replaced.

The EGR valve, or Exhaust Gas Recirculation valve, is a vacuum controlled valve which allows a specific amount of your exhaust back into the intake manifold. This exhaust mixes with the intake air and actually cools the combustion process. Cooler is always better inside your engine. The exhaust your EGR valve recirculates also prevents the formation of Nitrogen related gases. These are referred to as NOX emissions, and are a common cause for failing emissions testing. Unfortunately, your EGR valve can get stuck, causing NOX gases to build up. You'll know if your EGR valve is stuck or malfunctioning because your car will experience symptoms like rough idle and bucking on acceleration.

Here is a picture of where the EGR Valve is located (Accord 1999). Replacing it is fairly simple and straightforward. A vacuum line and a couple of bolts. You'll see what you have to do when you look at it.

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If you are replacing the EGR Valve due to the Check Engine Light (MIL) being on with a DTC P0401 then I suggest contacting your Honda Dealer. There was a Product Update Campaign (PUD) in the fall of 1999 that corrected the problem.

Another times, the clean is the solution...I hope help yoiu with this. Good luck, and remember rated this help.

Posted on Sep 03, 2009

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  • 1244 Answers

SOURCE: egr valve insufficient flow detected

clean the exhaust ports where the egr valve fastens to the tube and check the EGR valve for being out of range sounds like is it defective

Posted on Jan 14, 2010

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1 Answer

Is it safe to drive 2003 honda civic lx with code 1491


code p 1491 refers to EGR valve lift insufficient detected
it would be advisable to get it attended to asap
the egr system is used in the pollution control circuit to inject burnt exhaust gas back into the combustion process to lower the combustion temperature and to burn off the unburnt fuel from previous combustions
running the engine with a problem EGR valve is not immediately detrimental to an engine but more so to engine performance and economy
that is why I suggest that you get it attended to by an accredited service shop asap

Jun 12, 2017 | Honda Cars & Trucks

2 Answers

What does fault code P0497 mean for Honda Cr-v ?


Nothing for that code either. Are you sure you are reading the reader properly?

P1382 Cylinder Position Sensor No Signal P1456 EVAP Emission Control System Leak Detected (Fuel Tank System) P1457 EVAP Emission Control System Leak Detected (Control Canister System) P1459 EVAP Emission Purge Flow Switch Malfunction P1486 Thermostat Range/Performance Problem P1491 EGR Valve Lift Insufficient Detected P1498 EGR Valve Lift Sensor High Voltage P1508 IAC Valve Circuit Failure

Dec 30, 2015 | Honda Cars & Trucks

1 Answer

What does fault code P1450 mean for Honda Cr-v ?


No P1450 on a Honda?

P1382 Cylinder Position Sensor No Signal P1456 EVAP Emission Control System Leak Detected (Fuel Tank System) P1457 EVAP Emission Control System Leak Detected (Control Canister System) P1459 EVAP Emission Purge Flow Switch Malfunction P1486 Thermostat Range/Performance Problem P1491 EGR Valve Lift Insufficient Detected P1498 EGR Valve Lift Sensor High Voltage

http://www.obd-codes.com/trouble_codes/honda

Dec 30, 2015 | Honda Cars & Trucks

1 Answer

2000 van. What are the probable 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 EGR

Jul 16, 2015 | Chrysler Cars & Trucks

2 Answers

CHECK ENGINE LIGHT ON.


remove the EGR 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.

Oct 25, 2012 | 2000 Honda Accord

2 Answers

Fault code p0401


This error means Exhaust Gas Recirculation Flow Insufficient Detected.

You can deatils on the following site http://www.permoveo.ltd.uk/tabid/122/OBD-Error-Code/P0401/Diagnostics/Hyundai/Default.aspx

but for convenience I have reproduced that information here:
.
Generic OBD Error Code Details for P0401 Exhaust Gas Recirculation Flow Insufficient Detected What does this mean? OBD Code P0401refers to
EGR stands for Exhaust Gas Recirculation. It is part of the vehicle emmissions system, and is used to reduce combustion temperature and pressure to control Oxides of Nitrogen. There are generally three parts to the EGR system: the EGR valve, an actuator solenoid, and a differential pressure sensor EGR (DPFE). These things work together to deliver the correct amount of recirculation based on engine temperature, load, etc. The P0401 code means that OBD detected an insufficient amount of EGR. SymptomsPossible sumptoms of OBD code P0401
You may notice drivability problems such as pinging (a.k.a. pre-ignition knock) when the engine is under load or the vehicle is at higher speeds. There may also be other symptoms. CausesPossible causes of OBD code P0401
A code P0401 most likely means one or more of the following has happened: •The DPFE (differential pressure feedback EGR) sensor is faulty and needs to be replaced•There is a blockage in the EGR (tube), most likely carbon buildup •The EGR valve is faulty •The EGR valve may not be opening due to a lack of vaccuum Possible SolutionsIn fixing this code, it is quite common for people to just replace the EGR valve only to have the OBD code return. The EGR valve is not always the culprit. •Use a vacuum pump and pull the EGR valve open while monitoring engine RPM's & DPFE voltage. There should be a noticable difference in RPM's with the EGR open •Clean out the EGR valve and/or tubing to remove deposits•Check the voltage at the DPFE, compare to specified values (refer to a repair manual for your specific model)•Replace the DPFE sensor (with a good quality / OEM one)•Replace the EGR valve Related CodesP0400 P0402 P0403

Jul 12, 2011 | Hyundai Tucson Cars & Trucks

1 Answer

2001 honda odyessy has the following trouble codes: P1491, P0401,P1739. It has also been turning over longer before starting and has cut off while in park and idling. What does this mean?


P1491= "exhaust gas recirculation valve insufficient lift."
P0401= "exhaust gas recirculation insufficient flow"
P1739= ""3rd clutch pressure switch" (automatic transmission code)

the exhaust gas recirculation (EGR) valve is vacuum operated. there may be a vacuum line that is broken or leaking or become detached from the EGR valve. any vacuum leak will cause the engine to run lean, leading to poor starting and idle cut-off due to lean fuel fuel mixture.

The EGR valve has a vacuum diaphragm inside it. this diaphragm could be leaking. the EGR valve will need to be replaced if this is the case.

The P1739 code shows that a problem with the 3rd clutch pressure switch or the wiring leading to the switch has been detected. It may be an intermittent fault. Reset the trouble codes and drive for a while and see if this code returns. If so, check the wiring and switch operation of the 3rd clutch switch.

Jan 31, 2011 | 2001 Honda Odyssey

1 Answer

What is DTC code 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 and not broken.If the vacuum lines are good, you will need to check the electronics that operate the EGR system. thanks

Oct 26, 2010 | 1997 Honda Accord

1 Answer

I use seafoam though vaccume hose after that i read code p0401 what that means


P0401: Exhaust gas recirculation (EGR) system - insufficient flow detected


Causes: Hose leak/blockage, basic setting not carried out (if applicable), wiring, EGR valve, EGR solenoid, ECM

better clean out hoses and valves...

Oct 04, 2010 | 2002 Honda Accord

1 Answer

2002 accord code P0401 [egr insufficient flow detected]


the code you have may not be due to insufficient lift, more likely you have either high or low voltage running through egr. replace the valve and your issues should go away.

Jan 30, 2009 | 2002 Honda Accord

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