Question about 1996 Honda Passport

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1996 honda passport, p1406 keeps appearing i have change egr valve, cleaned intake port which was clogged, and checked voltages. now the light comes on almost as soon as i start the engine im lost on this one

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  • douglas Jan 11, 2013

    when i change the valve the light stayed off for almost 200 miles, i cleaned port and now it comes on shortly after starting don't even have to drive it

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6 Suggested Answers

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  • 2 Answers

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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

  • 1 Answer

SOURCE: Cleaned out egr intake and

It's the non-OEM EGR valve. I had the same problem, replaced the EGR valve with one bought at O'Reilly's, light came back on. Spent the $ to have the intake cleaned out too, and light came back on driving home from the shop. Mechanic suggested using a Honda EGR part as it has a different port opening as the non-OEM part. Sure enough, light has stayed out since. Took non-OEM EGR valve back to O'Reilly's and **** enought to get a refund on it.

Posted on Aug 28, 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

  • 14036 Answers

SOURCE: 92 Honda Accord failing Emissions

look at oxygen sensor.look at egr control solenoid.

Posted on Apr 11, 2009

  • 17 Answers

SOURCE: check engine light came on in my honda accord 1990...

this can make the light come on but so can alot of other things if it is running normal unhook the negative battery cable and let it sit like this for about 15 minutes this will reset everything in the system. If after doing this it comes back on imediately within a few hours there is some problem you should have it checked out to see why the light is on.

Posted on May 19, 2009

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1 Answer

1996 code 401 says egr valve,what other parts?


the egr ports in the intake to the head stop up.

Jul 04, 2013 | 1996 Honda Accord

2 Answers

Check engine light comes on for 2004 Hyundai Sante Fe. O2 sensor was replaced but still has the problem. Does the EGR manifold tend to get clogged up on the Sante Fe? I fixed a Honda Civic check engine...


First of all, why was the O2 snsr replaced?... Check Engine light? What DTC (diagnostic trouble code) did you find stored in the ECU (Engine Control Unit)? The drivability you seem to be describing can have multiple causes -- faulty sensors, malfunctioning computer, clogged catalytic converter, leaky injectors, vacuum leaks, etc.

Ok... this is gonna take some time. The 04 Santa Fe came with 3 (three) different/possible engines -- the 4 Cylinder 2.4 lit, the 2.7 V6, and the 3.5 V6. Only the 2.4 (4 cyl) and the 3.5 V6 are equipped with EGR. The 2.7 does NOT have EGR. To answer part of your question, the EGR system on the 4 Cyl is known to develop restriction(s) in the EGR port (from the # 4 cylinder exhaust port to the EGR valve at the intake manifold). This port travels through the head (front to rear, i.e., Left to Right when viewing the engine from the transmission end). This port cannot be seen at the # 4 cylinder exhaust port unless you remove the exhaust manifold.

It would be very helpful if you could provide more detailed/specific information regarding the drivability issue & what/which codes were found related to the Check Engine light.

Feb 12, 2011 | 2004 Hyundai Santa Fe

2 Answers

Got diagnostic code P1406 on 1996 Saturn SL1


P1406: EGR valve pintle position circuit. Try cleaning any carbon deposits in your EGR valve. That's where I would start. I hope this helped and good luck.

Feb 10, 2011 | 1996 Saturn SL

2 Answers

Service engine soon light on. code P1406


On chevey P1406 is the EGR pisition pentile circuit. So its telling you that its the EGR valve it self at the port in the intake manifold. You can try to clean this there must be carbon build up on the pentile . Howerver you must need a tune up or have something else that would cause this kind of a build up of carbon in the port . Or the valve could just be worn out you can check this by removeing the EGR valve flip it up side down spray some WD40 on the pentile valve if it leaks through the valve its no good

Jan 26, 2011 | 1996 Chevrolet Silverado 2500

3 Answers

Whats does code P0401 mean ??


Hi,

P0401 means insuffient EGR flow:

EGR stands for Exhaust Gas Recirculation, which basically sends some of the exhaust back into the engine cylinder again. Your error means that there isn't enough of the exhaust gas making it back to the intake manifold.
The first thing I'd check is the tubes coming off of the EGR valve to make sure they aren't clogged or broken. Then I'd check the EGR valve itself and the throttle body. The problem is usually:
1.) Carbon buildup causing a clogging.
2.) Broken hoses.
3.) Broken Valve.

Best regards.

Oct 28, 2010 | 1996 Honda Accord

1 Answer

I changed all egr componet egr valve, egr selinoid, and sensor and check all hoses for clogs. reset check engine light still comes on after driving for a while


CLEAN OUT THE CARBON INSIDE EGR PORT HOLE IN THE INTAKE MANIFOLD WHERE EGR VALVE SETS ON.YOU CAN USE A PIECE OF CLOTHES RACK.CLEAN OUT CARBON DO IT CAREFULLY.USE SHOP VAC TO CLEAN UP THE DEBRIS.

Aug 31, 2010 | Ford F-150 Cars & Trucks

2 Answers

My check engine light and TCS light came on. Code


P0401: Isufficient Flow Detected in EGR system.
-clean the EGR port with the carburetor cleaner.
-clean the EGR passage inside the EGR valve with the caburetor cleaner.
Reset the light, if the light still coming back, then replace the EGR valve.

Apr 26, 2010 | 2000 Honda Accord

2 Answers

Wath P1406 Code means on a GMC jimmy 1996,


It's an egr valve problem (exhaust gas return) egr position sensor.
Take off the egr valve and turn it over and see if there is carbon build up in the ports, if there is clean it out with a pipe cleaner and a little carbon cleaner, just spray a little into the ports and clean it out. If that doesn't cure the problem, then either the sensor needs replacing, and or the egr valve.

Apr 15, 2010 | 1996 GMC Jimmy

2 Answers

98 honda accord 0401code changed egr what else can I do ?.


remove the egr .clean the carbon out the intake where egr valve sits . use a small tiny tiny screw driver or old coat hanger clean out the hole then vacuum up carbon.put back egr valve.

Mar 18, 2009 | 2000 Honda Accord

1 Answer

Check engine light keeps coming on with code 332 egr code.


The Egr ports are plugged in the intake. Remove the throttle body elbow behind the throttle body, and clean out the carbon. I can walk you through it if you need me too. This is common on the 4.6

Mar 01, 2009 | 1996 Mercury Grand Marquis

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