Question about 2001 Honda Accord

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What is scan code P1399 and how to fix the problem.

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P1399- Manufactures control Ignition system OR Misfire

If only one of your cylinders was misfiring, you probably would be getting a more specific code than P1399.
Also check the distributor rotor along with the cap and coils and wires; the EGR valve to make sure it doesn't leak; your fuel pressure which can cause random misfires if the pressure is too low; and injectors if they are really dirty. If you have really high mileage, I probably would first just change out the plug wires with a new set, then reset the DTC and see if the code comes back.

Posted on Sep 30, 2010

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How do I fix a p1399?


Tech notes
Adjusting the valves will usually fix this problem.
When is the code detected?
The control module monitors the crankshaft speed and has detected a misfire condition
Possible symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
- Lack/loss of power
- Hard start
- Engine hesitation
P1399 Honda Description
When a misfire occurs, engine speed will fluctuate. If the engine speed fluctuates enough to cause the Crankshaft Position (CKP) sensor signal to vary, the Engine Control Module (ECM) can determine that a misfire is occurring.
- Valve clearance out of range

Jul 16, 2015 | 2004 Honda Odyssey

1 Answer

P1399


Try adjusting the valves. Make them on the loose side of specs, adjust cold.

May 24, 2014 | 2001 Acura 3.2TL

1 Answer

Trouble Code p0420 and p1399


code po420 refers to cat converter system bank1 - efficiency below threshold===causes -- cat converter---wiring---HO2S 2
code p1399 refers to cylinder no 6 misfire===causes --fuel/ ignition---VTEC system---MAP sensor--wiring---mechanical fault.

Dec 31, 2013 | 1999 Honda Civic

1 Answer

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

Nov 11, 2012 | 1999 Honda Civic

1 Answer

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.

Jun 29, 2012 | Cars & Trucks

1 Answer

P1399


P1399 is a random engine misfire.

Apr 11, 2012 | 2004 Honda Pilot

2 Answers

2000 honda crv p1399 and p0301 check engine codes


Code P1399 is specific to Honda - it is an error code for "multiple variable misfires detected". P0301-P0304 are common OBDC codes for all cars, specifically "misfire in cylinder X".

You will get the P0301-P0304 codes on your OBDC reader when you plug it in (if actually errors), but will only find the P1399 if you select Honda as the manufacturer.

Just got these errors today on my CRV 2000. Now I have to figure out what is causing two of the cylinders to misfire.

Mar 08, 2010 | 2000 Honda CR-V

1 Answer

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 ..

Feb 22, 2010 | 1998 Honda Civic

2 Answers

Have code p1399 on a 1999 acura integra 1.8 dohc


P1399- Acura = Random/Multiple Cylinder Misfire Detected

Acura forums state that It could be a coil pack or O2 sensor, or EGR.

Sep 18, 2009 | 1999 Acura Integra

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