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Posted on Oct 14, 2009
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I have a honda civic lx 1998 I need to know what the troubleshooting code P1399 means? The engine number is D16Y7

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  • Posted on May 12, 2010
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1998 civic lx does not have an egr valve. Hx are the only model that do. My guess is one of your spark plugs needs to be replaced and it's filled with oil or just old. Good Luck!

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  • Honda Master 17,989 Answers
  • Posted on Oct 14, 2009
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Get your self a EGR valve it is sticking or the EGR port is blocked i can tell you how to test it you have a volt meter but i am 100% THAT WHAT IT IS
Code P1399 is a pending misfire code.
HOW TO TEST

1. Check EGR position sensor voltage on the White/Black wire at idle - look for 1.1 - 1.2 volts with the EGR valve closed. If the EGR position sensor voltage is higher than 1.2 volts, the EGR valve is stuck open.

2. Can unplug the EGR valve and apply power to the terminal on the EGR valve that the Pink wire would normally go to and ground the terminal on the EGR valve that the Black wire would normally go to and see if the engine stalls at warm idle.

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0helpful
1answer

I have a 1996 honda civic lx automatic with d16y7 engine.Doesnt pass smog!!!!! everything on the smog passed except the NO(ppm) max allowed is 487 at 15mph mine was at 734 at 15mph what can it be!!!
http://m.smogtips.com/failed-high-NO-nitrous-oxide.cfm
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Jun 02, 2015 • 1996 Honda Civic
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I have a 1998 Honda Civic with overheating problems and the check engine light is on. I used the CarMD and it gave me these codes P0301,P0302,P0304,P0300,P1399,07-03,09-02,07-02
P0300-p0304 misfire on cylinder 1-4
P1399 random cylinder misfire
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May 23, 2015 • 1998 Honda Civic EX
1helpful
1answer

Check engine light on and was reading a p0505 code drove to the store and engine like started blinking got home hooked the code reader and now have another code of p0309 and p1399
Code 505 is a problem with the idle air control valve.
Code 309 is noting a cylinder 9 missfire on engines with 10 cylinders which would not include yours. That may be a fluke or not the right number.
Code p1399 is brand specific and for Honda it usually means random miss.
The code 505 could be the idle control valve or a vac leak. The computer can not control idle speed by using the valve.
The miss codes mean the cylinders are not producing power when they should be. Which may or may not be ignition. It could also be fuel or mechanical problems.
If you have not replaced the plugs and done the usual maintenance stuff in the past year or two, I would start with the basics.
Be sure and look at the inside of the dist cap and rotor.
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Jan 18, 2013 • 1998 Honda Civic
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1997 accord dtc p1399,p0303
the po303 is cylinder 3 misfire and other code could be trans code or abs or body code i know yhe one for sure
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Nov 11, 2012 • 1999 Honda Civic
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I have a 99 Honda civic SI with p1399 code I've
CHECK THE DISTRIBUTOR AND DISTRIBUTOR CAP FOR CORROSION PRETTY COMMON ON THOSE HONDAS.
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Jun 29, 2012 • Cars & Trucks
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1answer

Just wonderng about the cat convertor for my 98 honda civic b/c the diagram at autozone looks like it is located in a different place that where i think it is
On the 1998 Honda Civic with the D16Y5 and D16Y7 engines, the Catalytic Converter is part of the Exhaust Manifold. If you have the D16Y8 engine, the Catalytic Converter is separate from the Exhaust Manifold, and is directly between the 1st and 2nd Oxygen Sensors.

Here is a diagram of the D16Y5 and D16Y7 Exhaust Manifold and Catalytic Converter: http://www.4shared.com/document/zvR9UsXJ/1998_Honda_Civic_D16Y5_D16Y7_C.html


I’m happy to help further over the phone at https://www.6ya.com/expert/jeremy_69f3cc28d95bf514

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Mar 10, 2011 • 1998 Honda Civic
1helpful
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I have an OBD 2 code reader, it gives abbreviated descriptions. I'm looking for information describing exactly what each code means. Right now I'm getting 6 codes, P0300, P0133, P0301, P0303, P0304, P1399...
http://www.obd-codes.com/
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Jan 02, 2011 • Honda Civic Cars & Trucks
3helpful
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My honda civic 98, had a check light engine ON P1361 and P1399
P1361 is an intermittent signal from the TDC sensor .. thats located under the top timing belt cover on the right side of the engine .. about half way down that cover is the connector for the TDC sensor .. check that connector and its wiring ...P1399 is an ignition problem .. and thats likely caused by the TDC sensor being intermittent .. you might be able to fix the connector if its loose or full of water but the sensor is hard to get to .. very tight place to work in but not impossible .. this is something that should be fixed soon .. no emergency but the timing may drift off if the problem persists ..
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Feb 22, 2010 • 1998 Honda Civic
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Just bought a 2000 Civic EX and took it to the mechanic for a regular check up. They told me that someone had taken the engine out and possibly swapped it. The Vin number on the Engine is the same one as...
BRING IT TO HONDA AND THAT WAY YOU WILL KNOW FOR SURE
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Jun 30, 2009 • 2000 Honda Civic
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Honda civic 2003 lx, check engine is flashing
This means you have a mis-fire, have the trouble codes tested, the number of flashes indicates which cylinder is missing.
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Oct 24, 2008 • 2003 Honda Civic
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I have a 1996 honda civic lx automatic with d16y7 engine.Doesnt pass smog!!!!! everything on the smog passed except the NO(ppm) max allowed is 487 at 15mph mine was at 734 at 15mph what can it be!!!

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