Question about 1996 Honda Accord

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On my 1996 Honda Accord, I replaced the intake manifold gaskets and cleaned the EGR valve and EGR ports. My problem now is it starts ok when engine is cold but it doesnt want to do any slow running at all. The engine stalls when i slow down, and runs pretty shitty. I have checked my vacuum hoses, and Im sure i replaced all removed parts and connections. And the check engine light is not coming on yet so i can accurately tell what the problem is. I have to say that think i might have gotten some engine degreaser inside the engine block while scraping off the old gasket. Please help fast.

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  • 347 Answers

Degreaser typically won't really hurt anything unless it gets into a critical part. When you check for vacuum leaks, try it with a spray bottle of just water and spray around the entire intake and all hose connections. If the engine idles up , you've found your vacuum leak.

Posted on Apr 18, 2017

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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

  • 12 Answers

SOURCE: Check Engine Light on 2000 Honda Odyssey

The problem with an aftermarket catalytic convertor is the quality of the material that is in them. Used factory Honda convertors can be sold for 75 dollars. A used aftermarket catalytic convertor will sell for 5 dollars. If u truely want to fix this problem, you need to save up for a new Honda convertor and buy it.

Tom

Posted on Oct 24, 2009

  • 504 Answers

SOURCE: 1996 honda accord

take egr valve of clean with petrol or diesel /air line

Posted on Mar 07, 2011

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1 Answer

What would cause insufficient flow to my egr valve? (i just replaced it)


ok , the valve is easy to test and clean but is only 10% of the path.

my bark test works.
i remove the EGR valve see 2 ports there. (twin holes)
one is vacuum side, (intake) the other is exh. side.
i plug the vacuum side, and start engine
this is what i call the bark test. if the exh port barks load ,it may be good. if dead, or weak, it is, fix that now. clean path.
if that works ok , i then check the vacuum path port of carbon blockage. i rod it out with a flex cable.ask
the electric side test are below.

see 253mb file here
http://hondatech.info/downloads/Auto/Manuals/Accord/

that is the FSM. burn it to cd, and run the setup'

Jan 31, 2014 | 1999 Honda Accord

1 Answer

What is a egr valve


  1. Install a tachometer on the engine, following the manufacturer's instructions.
  2. Detach the engine wiring harness connector from the Idle Air Control (IAC) solenoid.
  3. Disconnect and plug the vacuum supply hose from the EGR valve.
  4. Start the engine, then apply the parking brake, block the rear wheels and position the transmission in Neutral.
  5. Observe and note the idle speed.
If the engine will not idle with the IAC solenoid disconnected, provide an air bypass to the engine by slightly opening the throttle plate or by creating an intake vacuum leak. Do not allow the idle speed to exceed typical idle rpm.
Using a hand-held vacuum pump, slowly apply 5-10 in. Hg (17-34 kPa) of vacuum to the EGR valve nipple.
  1. If the idle speed drops more than 100 rpm with the vacuum applied and returns to normal after the vacuum is removed, the EGR valve is OK.
  2. If the idle speed does not drop more than 100 rpm with the vacuum applied and return to normal after the vacuum is removed, inspect the EGR valve for a blockage; clean it if a blockage is found. Replace the EGR valve if no blockage is found, or if cleaning the valve does not remedy the malfunction.


EGR Valve Removal & Install
3.0L OHV (2 valve) and 3.4L SHO engines

b9175c5.jpg

Fig. : EGR mounting-3.0L OHV (2 valve) engine

5fcd84e.jpg

Fig. : EGR mounting-3.4L (SHO) engine

4552fc2.jpg

Fig. : Remove the two retaining bolts and...

b849310.jpg

Fig.: ... remove the valve from the intake manifold

795549d.jpg

Fig.: Thoroughly clean the mating surfaces of the manifold and the EGR valve (if being reused)
  1. Disconnect the negative battery cable.
  2. Remove the vacuum hose from the EGR valve.
  3. Using a 22mm wrench or crowfoot, disconnect the EGR valve-to-exhaust manifold tube from the EGR valve.
  4. Remove the EGR valve mounting fasteners, then separate the valve from the intake manifold.
  5. Remove and discard the old EGR valve gasket, and clean the gasket mating surfaces on the valve and the intake manifold.
To install:
  1. Install the EGR valve, along with a new gasket, on the upper intake manifold, then install and tighten the mounting bolts to 15-22 ft. lbs. (20-30 Nm).
  2. Connect the EGR valve-to-exhaust manifold tube to the valve, then tighten the tube nut to 26-47 ft. lbs. (35-65 Nm).
  3. Connect the vacuum hose to the EGR valve.
  4. Connect the negative battery cable.

3.0L OHC (4 valve)

d8a563e.jpg

Fig. : EGR mounting-3.0L OHC (4 valve) engine
  1. Disconnect the negative battery cable.
  2. Remove the vacuum hose from the EGR valve.
  3. Remove the two EGR tube-to-EGR valve retaining nuts.
  4. Remove the EGR valve mounting fasteners, then separate the valve from the intake manifold.
  5. Remove and discard the old EGR valve gasket, and clean the gasket mating surfaces on the valve and the intake manifold.
To install:
  1. Install the EGR valve, along with a new gasket, on the upper intake manifold, then install and tighten the mounting bolts to 15-22 ft. lbs. (20-30 Nm).
  2. Connect the EGR valve-to-EGR tube, then tighten the retaining nuts.
  3. Connect the vacuum hose to the EGR valve.
  4. Connect the negative battery cable.

Tell us news.

Oct 12, 2012 | 1998 Nissan Maxima

1 Answer

1998 Ford Escort - P1405 Error code


Follow the link for help with this fault code P1405 Ford DPF EGR Sensor Circuit High Voltage Detected

I suggest you replace the EGR valve position sensor.

Mar 10, 2017 | 1998 Ford Escort

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 replaced EGR valve twice one infact today with dealer part but still the check engine light came on after driving my 2000 Honda odyssey van for 25 miles? any suggestions?


I had an egr code. there is a honda service bulletin out about clogged egr ports. The service bulletin involves putting some kind of sleeve in the port. I just followed the service bulletin to clean out the port, I didn't put in the sleeve or any parts. Seems to be working good for the last six months. It took a couple of hours and some gaskets for the intake manifold.

Sep 23, 2010 | 2000 Honda Odyssey

3 Answers

EGR Valve not working


EGR Valve Testing
  1. Install a tachometer on the engine, following the manufacturer's instructions.
  2. Detach the engine wiring harness connector from the Idle Air Control (IAC) solenoid.
  3. Disconnect and plug the vacuum supply hose from the EGR valve.
  4. Start the engine, then apply the parking brake, block the rear wheels and position the transmission in Neutral.
  5. Observe and note the idle speed.
If the engine will not idle with the IAC solenoid disconnected, provide an air bypass to the engine by slightly opening the throttle plate or by creating an intake vacuum leak. Do not allow the idle speed to exceed typical idle rpm.
Using a hand-held vacuum pump, slowly apply 5-10 in. Hg (17-34 kPa) of vacuum to the EGR valve nipple.
  1. If the idle speed drops more than 100 rpm with the vacuum applied and returns to normal after the vacuum is removed, the EGR valve is OK.
  2. If the idle speed does not drop more than 100 rpm with the vacuum applied and return to normal after the vacuum is removed, inspect the EGR valve for a blockage; clean it if a blockage is found. Replace the EGR valve if no blockage is found, or if cleaning the valve does not remedy the malfunction.


EGR Valve Removal & Install
3.0L OHV (2 valve) and 3.4L SHO engines

b9175c5.jpg

Fig. : EGR mounting-3.0L OHV (2 valve) engine

5fcd84e.jpg

Fig. : EGR mounting-3.4L (SHO) engine

4552fc2.jpg

Fig. : Remove the two retaining bolts and...

b849310.jpg

Fig.: ... remove the valve from the intake manifold

795549d.jpg

Fig.: Thoroughly clean the mating surfaces of the manifold and the EGR valve (if being reused)
  1. Disconnect the negative battery cable.
  2. Remove the vacuum hose from the EGR valve.
  3. Using a 22mm wrench or crowfoot, disconnect the EGR valve-to-exhaust manifold tube from the EGR valve.
  4. Remove the EGR valve mounting fasteners, then separate the valve from the intake manifold.
  5. Remove and discard the old EGR valve gasket, and clean the gasket mating surfaces on the valve and the intake manifold.
To install:
  1. Install the EGR valve, along with a new gasket, on the upper intake manifold, then install and tighten the mounting bolts to 15-22 ft. lbs. (20-30 Nm).
  2. Connect the EGR valve-to-exhaust manifold tube to the valve, then tighten the tube nut to 26-47 ft. lbs. (35-65 Nm).
  3. Connect the vacuum hose to the EGR valve.
  4. Connect the negative battery cable.

3.0L OHC (4 valve)

d8a563e.jpg

Fig. : EGR mounting-3.0L OHC (4 valve) engine
  1. Disconnect the negative battery cable.
  2. Remove the vacuum hose from the EGR valve.
  3. Remove the two EGR tube-to-EGR valve retaining nuts.
  4. Remove the EGR valve mounting fasteners, then separate the valve from the intake manifold.
  5. Remove and discard the old EGR valve gasket, and clean the gasket mating surfaces on the valve and the intake manifold.
To install:
  1. Install the EGR valve, along with a new gasket, on the upper intake manifold, then install and tighten the mounting bolts to 15-22 ft. lbs. (20-30 Nm).
  2. Connect the EGR valve-to-EGR tube, then tighten the retaining nuts.
  3. Connect the vacuum hose to the EGR valve.
  4. Connect the negative battery cable.

Tell us news.

May 04, 2010 | 1999 Mercury Sable

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

I HAVE A P1491 CODE ON MY 1998 HONDA ACCORD ERG


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.

Nov 23, 2008 | 1998 Honda Accord

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