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IM GETTING P 0303 AND P 0404 ON MY DIAGNOSTIC SCANNER

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P0303 is Cylinder 3 missfire, P0404 is Exhaust Gas Recirculation control circuit Range/Performance.

Posted on Mar 31, 2011

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Posted on Jan 02, 2017

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My '97 Honda Odessy wont start and ive replaced the ignition coil and im getting spark but wont turn over and its not da fuel pump either


Tito, It may be a sensor at fault - the crankshaft sensor is the favourite suspect.

However, before you rush off and buy replacement parts get somebody to do a diagnostic check with an OBD - the handheld scanner. Any error codes will identify the problem

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Thanks Bill I have an OBD2 scanner but when I hook up it says LINK ERROR indicating that it has a problem communicating with the car is that standard


Linking Error w/ OBDII Diagnostic scanner (unable to communicate ...

forum.mazda6club.com > ... > Electrical
Nov 16, 2010 - When I try to run the scan (initial link-up. ... the device keeps saying"Linking Error," meaning that the OBDII and diagnostic device aren't able to communicate. .... autozone and have them hook their scanner up for free to verify.

What am i doing wrong? obdII scanner hookup? - D-series.org

www.d-series.org > ... > D-series Knowledge Factory > General Tech

Sep 16, 2009 - 21 posts - ‎8 authors
well i borrowed my friends obdII scanner and im trying to check my codes but everytime is says link error? im stumped i tried it multiple times with. ... but it sounds like you may have an electrical problem somewhere. Discovery ...

"Linking Error" OBDII Comm failure ' DSMtuners


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I HAVE A HONDA ODYSSEY OF YEAR 2000, V6 ENGINE, THE D LIGHT OFF WHEN IM ON THE MOTION, BY THAT TIME...ITS SPEED WILL REDUCE AND AFTER 5 SECONDS, IT WILL ON AGAIN AND IT WILL MOVE SMOOTHLY, THIS USE TO...


pass the Scanner/computer for easy diagnostic and fix it. Otherwise your must waste time and money. The electronic in the vehicle now is very complicated. And you need from the tools for diagnostic.
God bless you

Jul 08, 2013 | Cars & Trucks

1 Answer

Im working on a 2002 honda civic andmy scanner show [MIL off] i


may be you should make a diagnostic and you can do it in a garage or you can do it by yourself if you want to do it by yourself you need some tools and you can find some good ones here: spobd2.com

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SCANNER WILL NOT READ THE KEY ON 1998 HONDA CIVIC


ck; the e.c.m. power relay and the fuses under hood fuse panel located by the battery.

Aug 31, 2012 | Honda Civic Cars & Trucks

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Diagnostic center is flashing "coolant sensor bad" we have replaced the coolant unit on the thermometer behind the radiator, and i just replaced the level sensor today. both are brand new but im still...


GET SOME ONE WITH A CODE SCANNER ERASE CODE.WHEN YOU REPLACE ANY SENSORS ON ENGINE.YOU HAVE TO ERASE CODE.IF CODE STAYS ON.YOU COULD HAVE WIRING FAULT,PCM FAULT,NEW SENSOR COULD BE DEFECTIVE.

Sep 30, 2010 | 1997 Jeep Grand Cherokee

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It dies when im at stop lights or signs, if it doesnt die it sounds very rough getting back up to speed. The check engine light is on and has been since i bought it, it has new oil change and i just change...


You need to first find out why your Check Engine Light is on and that would be the first step in determining why your car is stalling when you come to a stop. You will need to go to a mechanic and have them hook uo a OBD (On Board Diagnostic) scanner to your car's computer to properly diagnose the problem. The traction problem you have can be related to your tires deprnding on what kind of tire it is, thread design, rubber composition, etc.

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Wen im driving there is a flat spot in the engine


Did the 'Check Engine' Light come ON? Whenever the 'CHECK ENGINE' (Service Engine Soon) light comes on, the ECU (Engine Control Unit) sets a Diagnostic Trouble Code (DTC). These codes identify the particular engine management system which caused the light to come on.
You'll need to use/find an OBDII (On-Board Diagnostic) Scanner to retrieve any code which have been stored in the ECU computer. Afterward, we might be able to help you DIAGNOSE the problem and perhaps eventually fix the problem.

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Follw-up


check the mass air flow sensor if still no spark check the coil packs for power if they dont have power check all fuses and relays if they are all fine look for a short

Nov 17, 2008 | 1996 Pontiac Grand Am

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