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P0685 fault code uk ford

Ignition coil was burned, replace it and don't start engine. then change a fuse and engine start but in 3 minutes ignition coil was burned againe

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P0685 refers to ECM power relay control---circuit open===causes--wiring--ECM relay
Replace this relay. Check the wiring from the coil to the distributor as there is a dead short after the coil somewhere for the fuse to blow and the coil to overheat.. You may have a electronic module failure either in the distributor or the ECM

Posted on Dec 31, 2013

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Posted on Jan 02, 2017

  • 9 Answers

SOURCE: Ford Focus T Reg (UK) Key Fob Not Working.

it might be the 60 amp black fuse my partner just said

Posted on Apr 13, 2009

  • 122 Answers

SOURCE: my 2005 ford focus died while i was driving and

you hahe a short in the ecm/ecu

Posted on Jun 07, 2009

  • 41 Answers

SOURCE: 1999 Seat Ibiza GTi 2.0 8v - No spark????!

to be honest with you, stop throwing parts at this car and have it diagnosed properly by a good technician.

Posted on Jun 17, 2009

  • 1 Answer

SOURCE: 1999 saab 9-5 stalls without warning won't restart for 30-40 min.

Hello.i had similar problem.replaced ignition coil+cranksensor,driven it for several months now.a.ok.

Posted on Jul 07, 2009

  • 1 Answer

SOURCE: what causes to burn out one of the ignition coil of 03 bmw 325i

replace the busted transistor in your ECU. For Bosch 30011 or 30014 you can use BU323Z transistor for replacement. it´s 100% pin-compatible and released for transistor ignition systems.

Posted on Feb 13, 2010

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Po316 y po303 en Ford tAurud 2003


Cylinder # 3 has a misfire...#1) Defective coil on plug or the spark plug itself...#2) Contaminated fuel injector...See drawings below...The coil pack is the smaller of the two and sits to the rear of engine it is the most probable cause...Although the spark plug or the ignition wire (connection between plug and coil pack) could be at fault...so, before you invest in a new coil pack...Remove from both ends the wire from #3 and switch it with #2...if the fault code changes to p0302 that wire is bad...next Install a new set of plugs....Fault still present? replace the coil pack.....Unless recently changed new plugs and wires are a plus even if fault remains...saailer


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Cost= about $90

Apr 15, 2015 | 2003 Ford Taurus

2 Answers

Still having problems will not run good. 1997 ford 2.0 escort;new plugs&wires coil;fuel pump still codes 0351;


From a reputable repair website:


P0351 - OBD-II Trouble Code

Auto Systems and Repair

Ignition Coil "A" Circuit Primary/Secondary Malfunction Our emissions expert has put together the following information about the P0351 fault code. We have also included diagnostic procedures you can take to your repair shop if the mechanic is having difficulty analyzing the code.
OBD II Fault Code
  • OBD II P0351 Ignition Coil "A" Circuit Primary/Secondary Malfunction
What does this mean? The ignition coil or coils are responsible for igniting the air/fuel mixture inside the combustion chambers. Without reliable performance from the ignition coil(s) the vehicle will stumble and misfire.
Code P0351 indicates there's an electrical problem in either the primary ( the computer side ) or the secondary ( the spark plug side ) of the Ignition Coil "A" Circuit.
Symptoms
  • Check Engine Light will illuminate
  • Engine idles rough
  • Engine misfires on acceleration
  • In rare cases, the engine may not exhibit noticeable symptoms
Common Problems That Trigger the P0351 Code
  • Defective Ignition Coil(s)
  • Defective Spark Plug(s)
  • Intake Manifold Vacuum leaks
  • Carbon buildup in the Throttle Body air passages
  • Defective Idle Air Control Valve or Electronic Body
Common Misdiagnosis
  • Ignition coil(s) replaced when cause of the malfunction was a vacuum leak
  • Spark Plugs replaced when cause of the malfunction was a vacuum leak

Dec 21, 2014 | Ford Cars & Trucks

1 Answer

Misfiring. Error codes p0306, p0351, p0352


p0306 refers to cylinder 6 misfire detected===causes engine mechanical fault--wiring---ignition/fuel system--injector ---ECT/MAF sensor---ECM
IF there was a mechanical fault (hydraulic follower ) or valve it would be there most of the time and not just on start up. Possible injector fault but I would be inclined to check out the MAF sensor codes p0351 &2 refer to ignition coil A and ignition coil B primary /secondary--circuit malfunction === causes --wiring--ignition coil--ECM ( all causes for the both)
going on this check out the coils and check that the wiring and connections are clean and tight. basically I would be inclined to change out the coils and check /replace the MAF sensor.
change the engine --sounds like advice to get some extra money out of you.

Apr 27, 2014 | 2005 Ford F-150

1 Answer

I have a 2003 dodge dakota. 4.7l. I get codes p0685 and p0688. No start no spark. Relay is good. But voltage drops when using a voltage meter on one of the grounds in the pdc. Any live wire and that ground...


P0685 DODGE - Auto Shutdown Relay Control Circuit Failure
Symptoms - Engine Light ON (or Service Engine Soon Warning Light)

Possible causes - ASD relay circuit is open or shorted
- Failed Auto Shutdown relay
- Failed ECM
Tech notes Check all the ECM fuses, if the fuses are OK try replacing the ASD relay. P0685 DODGE Description Short or open in Auto Shutdown (ASD) relay circuit

P0688 DODGE - Auto Shutdown Relay Control Circuit Low
Symptoms - Engine Light ON (or Service Engine Soon Warning Light)

Possible causes - ASD relay circuit is open or shorted
- Failed Auto Shutdown relay
- Failed ECM
Tech notes Check all the ECM fuses, if the fuses are OK try replacing the ASD relay. P0688 DODGE Description The Front Control Module (FCM) has detected the supply voltage below an acceptable value

Jun 24, 2011 | 2003 Dodge Dakota Club Cab

1 Answer

I put new spark plug and wires ,new battery so what should I do next to make start because it's cold here in chicago


WHEN TROUBLE SHOOT CAR CHECK FOR SPARK AT PLUGS FIRST IF NO.CHECK IGNITION FUSE TO IGNITION COIL OR COILS AND IGNITION MODULE.IF FUSE GOOD CAR NEED SCANNING FOR CRANKSHAFT SENSOR FAULT OR IGNITION MODULE FAULT.IF IGNITION SYSTEM OKAY CHANGE FUEL FILTER IF NOT BEEN CHANGED LONG TIME..CHECK TO SEE IF YOU HEAR FUEL PUMP RUN IN FUEL TANK WHEN YOU TURN IGNITION KEY ON FOR 3 SECONDS.THE FUEL PUMP WILL TURN ON 3 SECONDS THEN TURN OFF.IF YOU HEAR NO FUEL PUMP.CHECK FUSE AND RELAY.IF BOTH GOOD.STILL HAVE CAR CODE SCANNED FIRST.

Jan 24, 2011 | Chevrolet Blazer Cars & Trucks

1 Answer

The number 2,4,6 cilinder aren't burning the fuel, the wires are new as the spark plugs. Posible problems & solutions Thks


CHECK TO SEE IF 1 3 5 ALSO NOT GETTING FIRE.IF NO CHECK FOR POWER GOING TO IGNITION COIL.IF NO YOU HAVE IGNITION COIL FUSE BLOWED OR BROKE WIRE FROM FUSE TO COIL.IF POWER GETTING TO COIL.YOU COULD HAVE FAULTY IGNITION MODULE.TO SAVE YOU LOTS OF MONEY USE A SCANNER TO CHECK FOR CRANKSHAFT SENSOR FAULT CODE AND IGNITION MODULE CODE FAULT.

Sep 23, 2010 | 1995 GMC Safari

3 Answers

2001 crown vic keeps burning 30A PCM relay fuse


have fuel pump checked i have known a bad fuel pump shorting out causing pcm fuse to blow.

May 10, 2009 | 2001 Ford Crown Victoria

1 Answer

Daihatsu Mira 3 cyl 660cc No spark .I have checked plug and lead and fuses Any help appreciated. thanks rob.


Hi,

In my past dealings with these 3 cylinder engines, common faults (depending on the engine) are:
  • contact point pitting/burns (clean, scrape/replace);
  • rotor;
  • distributor cap;
  • ignition coil;
  • ignition coil ignition B+12 connector;
  • ignition coil loose ground.
Please check above mentioned components.

Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards. Thank you for using FixYa.

Aug 04, 2008 | Daihatsu Charade Cars & Trucks

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