Question about 1998 Honda Accord

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Engine lite stays on even after i changed egr valve

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Try running some sea foam thru it. Follow the directions on the can (available at most parts stores). This usually takes care of the problem.

Posted on Jan 02, 2012

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What does the code show? If the original error code was for your EGR valve you will need to clear the code from memory if you replaced the valve. This normally requires a code reader but can be done by other means in some models. I am not familiar with how it can be done in your model without a code reader.

Posted on Sep 11, 2009

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Give me the code you had and will try to give u an answer, but sounds like the EGR passages may be plugged with carbon, common problem

Posted on Sep 11, 2009

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1 Answer

How do I change egr valve on a 2005 chrysler pacifica ?


If car does not stay runnin or stalls wen slowin down is egr effects. It may be the gasket wher it connects to engine. Sonetimes u can blow out carbon in the valve itself. Seek a shopmanual at local library

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P 1401 location


Codes don't have a certain location, a code means a problem has occurred in a system of the electronics of the cars fuel control or emission control system.
P1401 NISSAN - EGR Temperature SensorPossible causes- EGR Temperature Sensor harness is open or shorted
- EGR Temperature Sensor circuit poor electrical connection
- Faulty EGR Temperature Sensor
- Malfunction of EGR function, EGRC-BPT valve or EGRC-solenoid valve
- Blocked EGR passages When is the code detected?An excessively low voltage from the Exhaust Gas Recirculation (EGR) temperature sensor is sent to Engine Control Module (ECM) even when engine coolant temperature is low, or an excessively high voltage from the EGR temperature sensor is sent to ECM even when engine coolant temperature is high.
P1401 NISSAN Description The Exhaust Gas Recirculation (EGR) temperature sensor detects temperature changes in the EGR passage way. When the EGR valve opens, hot exhaust gases flow, and the temperature in the passage way changes. The EGR temperature sensor is a thermistor that modifies a voltage signal sent from the Engine Control Module (ECM). This modified signal then returns to the ECM as an input signal. As the temperature increases, EGR temperature sensor resistance decreases.
This sensor is not used to control the engine system. It is used only for the on board diagnosis

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2000 Ford Windstar 3.8 misfire cylinder 5. Code reads cylinder 5. Changed egr valve. Plugged up egr hose with drill bit tip and car runs fine but the CEL stays on. Must pass emissions in next 9 days. Why...


I would assume the check engine light is on now because the EGR is not working ?
Depending on which hose you are talking about, it may be causing a vac leak near cylinder 5. There is a solenoid valve that cuts off vac to the EGR valve at idle which may not be working.
The EGR valve should not be open unless the engine is above 1500 RPM or so.

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1 Answer

Engine check lite comes on Code 401 Changed EGR valve and EGR Lite comes back on drive about 5 miles


Sounds like to me you have a faulty EGR vacuum solenoid which regulates the vacuum pressure sent to the EGR valve.

May 31, 2012 | 2001 Mitsubishi Montero Sport 4WD

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1998 Buick Century Custom 3.1--service engine soon light is on, I check the computer and it says EGR insufficiant flow code P90401. I changed the egr valve lite still on. Went back to Autozone checked...


well I'm a mechanic and you just told me what's wrong....
now all you have to do to fix it is test all parts listed replace the one (s) that fail test....

May 14, 2017 | Buick Century Cars & Trucks

1 Answer

1996 Honda Accord Rough Idle Even After tune up performed Changed spark plugs, distributor cap and rotor wheel along with all spark plug wires, changed fuel filter, air filter, spent $150 on fuel injector...


Perform a valve clearance inspection and adjust if necessary. Tight or sticking valves will cause a misfire or rough running concern. Note: Perform valve adjustment when the engine is stone cold. 4cyl: INT 0.26mm EXH: 0.30mm (V6 engine are hydraulic and no adjust necessary.) Also check for a sticking or stuck open EGR valve. For diagnostic purposes only: Remove the EGR valve. Place a business card over the EGR passage and bolt the EGR valve back on. This plugs the EGR ports and if the misfire goes away the EGR valve is partially stuck open and is defective.
Check for low fuel pressure. Check for low compression. Check cam timing. Check for a weak ignition coil. Also don't over look the possibility of worn or broken engine mounts which cause excessive engine movement and engine vibration. -hope this helps

Mar 02, 2010 | 1996 Honda Accord

1 Answer

When bought engine idled @ 800 rpm when warm, now engine lite is on and engine idles rough @ 500 to 600 RPM. Replaced rack and pinion, power steering, checked wires, replaced sparkplugs, # 1 plug was in...


could be numerous reasons. this is your best bet take it in to a mechanic and have your engine codes scanned. it is a minimal charge, some even do it for nothing it only takes 10 minutes.this will point you in the right direction.

Jan 27, 2010 | 2000 Ford Windstar

2 Answers

Engine error lite P0465


Replacing the EGR valve, its actuator, or your DPFE sensor could all be at fault. I would probably start with the valve itself since it's an EGR leak code. Your gas cap was a wasted repair. The gas cap would cause a P0441 or 445 evap code, but not an EGR code.

Oct 07, 2009 | 2000 Chrysler Concorde

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Code P0401 EGR Insufficient Air flow detected - 2000 Toyota camry


how I change the EGR valve assist switch for toyota camry 2000

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2 Answers

2002 Crown Victoria check engine light stays on


also have them change the oxygen sensors, if it's deemed necessary. have someone reset the computer. if the light stays off, then you don't have to.

Jun 14, 2009 | 2002 Ford Crown Victoria

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