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Trouble Code PO673 Cylinder 3 Glow Plug Circuit

The Glow Plug light stays on. From front of motor is it the 3rd glow plug from the left?

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: 2002 Jetta TDI check engine light

very common for the harness that plugs onto the glow plugs to have too much resistance it will still work but will set codes

Posted on Mar 23, 2009

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joecoolvette
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SOURCE: Can anyone tell me where to find the glowplug

Above the Relay Panel is the Auxiliary Relay Panel. Has thirteen positions in it.
6 across the top, 7 across the bottom.

Across the bottom the Glow Plug Relay is the fourth one over from the left. It is Number 10.
(180)

Posted on Sep 17, 2009

  • 14036 Answers

SOURCE: trouble code po380 glow plug circuit problem

SOUND LIKE GLOW PLUG FUSE AND RELAY PROBLEMS.

Posted on Nov 08, 2009

  • 832 Answers

SOURCE: 1997 VW JETTA DIESEL GLOW PLUGS

You have to replace the defective glow plug. You can test the glow plug without the test light. Just put a wire on the bolted end of the glow plug and connect this to the battery (+) terminal. Then, put a wire around the body of the glow plug and connect this to the battery (-) negative terminal. Hold at this position for a minute or less. Good glow plug will heat up.

As far as the wiring schematics, I will just describe
it. Your ignition switch is connected to the positive
terminal of the battery by way of the fuse in the fuse
box. From the switch it goes to a timing relay before
going to the glow plug terminals. The glow plug body
is screw mounted to the engine block which serves
as the negative terminal. So, as you switch your
ignition, it heats up the glow plug enough to give a
combustion of the atomized fuel in the cylinder piston
of your car causing it to run.

Posted on Nov 21, 2009

  • 357 Answers

SOURCE: PO672 CYLINDER 2 GLOW PLUG CIRCUIT, THIS IS WHAT

If you have replaced the glow plugs....replace glow plug harness. If code reappears, replace glow plug controller.

FYI: VW numbers the glow plugs backwards. IE: #1 cylinder next to the timing belt cover is number #4 glow plug...so your #2 is actually #3 on the engine.

Posted on Jan 13, 2011

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2006 chevy silverado duramax hd 4WD has codes u1016 /c0035/co201/po673/675/677 but runs great


DTC P0671: Cylinder #1 Glow Plug Control Circuit
DTC P0672: Cylinder #2 Glow Plug Control Circuit
DTC P0673: Cylinder #3 Glow Plug Control Circuit
DTC P0674: Cylinder #4 Glow Plug Control Circuit
DTC P0675: Cylinder #5 Glow Plug Control Circuit
DTC P0676: Cylinder #6 Glow Plug Control Circuit
DTC P0677: Cylinder #7 Glow Plug Control Circuit
DTC P0678: Cylinder #8 Glow Plug Control Circuit

Circuit/System Description
The glow plug controller has the ability to perform internal checks, an open or a short to ground on each of the glow plug circuits. If the glow plug controller senses a problem in a glow plug circuit, the glow plug on the affected cylinder will be disabled and the glow plug controller will send an error message to the engine control module (ECM). If this condition exists, the DTC will set.
Conditions for Setting the DTC
The glow plug controller detects that the glow plug control circuit is open, shorted to ground, or has more than 1 ohm of resistance.

Circuit/System Verification
Verify that DTC P064C is not set.
If DTC P064C is set, refer to DTC P064C.
Ignition ON, engine OFF, observe the scan tool Glow Plug 1-Glow Plug 8 parameters. All 8 Glow Plug parameters should closely match each other.
Refer to Testing for Intermittent Conditions and Poor Connections if you cannot duplicate the conditions.
Engine running, observe the DTC information with a scan tool. DTCs P0671-P0678 should not set.
Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.

DTC C0035 Left Front Wheel Speed Sensor Circuit
DTC C0201 Antilock Brake System (ABS) Enable Relay Contact Circuit
The system relay, located within the electronic brake control module (EBCM), supplies battery voltage to all of the valve solenoids and to the ABS pump motor. When the relay contacts close, the EBCM monitors the voltage supplied to the valve solenoids and compares this voltage to monitored ignition voltage.

Jul 30, 2016 | Cars & Trucks

2 Answers

Glow plug light stays on, engine turns over but won't start


glow plugs dont last for ever
have them visually inspected

they need to heat up to spec or motor wont start

what motor or vehicle ?

May 31, 2016 | Cars & Trucks

1 Answer

Could a faulty coolant temp sensor make the glow plugs run all the time on a 1983 Mercedes 300CD?


No the glow plugs circuit is separate. They actually are on a timed delay shut off. Check the glow plug relay module behind the driver side headlamp assembly. If the light on the cluster is staying on all the time it's simply letting you know there is a fault in the glow plug circuit. Doesn't actually mean that the glow plugs are staying on all the time. You might just have a bad glow plug which is breaking the circuit therefor the glow plug light stays on. To check this use a test light and have someone turn on and off the ignition to see which plug doesn't light up.

Oct 11, 2010 | 1983 Mercedes-Benz 300-Class

1 Answer

Tried to start 2004 f250 with out glowplugs now it wont start. checked fuse still wont start


glow plug light and glow plug are not on same system
check at gow plug conection (top of valve cover both side
follow from relay front valve vover right side silver box)
power 12 volts on all 4 wires in both conector left and right
if not replace relay if 12 volts relay ok (test light clip on ground)
then check glow plug (test light clip on positive ) touch wires going
to glow plug should light up if ok (quick test ) if any fail replaced
if all seems ok look at the oil injection system most common
problem with these motors I have yet to replaced a glow plug or relay

Sep 30, 2010 | 2004 Ford F350

2 Answers

BAD COLD START NEW GLOW PLUGS STILL BAD START GLOW PLUG LIGHT STAYS ON


You have to check if you really glows comes to power that can show you the light on the dash that are working and maybe the relay of the glows does not work and you will pass voltage. Try a thick cable you put something in the battery positive and the other end touch the tip of the glow should produce a spark pquena holds about 20 or 25 seconds and give him star should work well. Thanks

Feb 27, 2010 | 2003 Renault 181

2 Answers

1997 VW JETTA DIESEL GLOW PLUGS


The glow plug relay is responsible for the duration of glow plugs, this needs to be the starting point. You should get a 12v out for so many seconds when ignition is switched on.
I have taken the cover off relays in the past, cleaned up the internals, sprayed with circuit cleaner and got plenty more years out of them, worth a try.

Nov 21, 2009 | 1997 Volkswagen Jetta

1 Answer

Glow plug not working


Check up the glow plug relay placed inside left bottom area near clutch pedal. It is no.4 relay from left to right. Verify also all electrical cables. In most cases the glow plug relay is out of order.

Apr 19, 2009 | 2000 Audi A4

1 Answer

Re: golf yellow glow light


the idea or concept of the glow plug is to heat the fuel long enough to start the motor.... it should stay on long enough for the glow plugs to heat up enough to start the motor then they go off because they have done their job. so the light going out is normal after a few seconds

Robert

Please take a moment to rate this solution thanks
Hopefully a fixya... perhaps rate the other the same

Jan 27, 2009 | 2003 Volkswagen Golf

1 Answer

Glow plug light


Thats not good, if the glow plugs are being charged the whole time They will burn out quickly if not already. Even if the glow plugs are burned out the engine will still start unless your in a really cold region. Sounds like the GP (GP = glow plug) relay is fused in the open position, its located above the fuse panel refer to your owners manual to its exact location above the fuse panel. Just pull this relay out and your light should go out while engine is running. If this works simply replace the relay from your local Volkswagen dealer, but the bad news is I would highly recommend pulling the GP's out and checking to see if theres anything left of them. There not built to be on constant. Good luck Hope thats your problem just a relay.

Dec 19, 2008 | 1991 Volkswagen Golf

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