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96 f350 no ground on #3

I have replaced vale cover gesket,o rings,glow plug,pigtails,idm and tested wiring from injector to imd its good

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  • Cars & Trucks Master
  • 14,036 Answers

Glow plug faulty if it has no ground wiring okay.

Posted on Jul 11, 2013

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  • Contributor
  • 4 Answers

Test again, known wiring harness problems beneath valve cover

Posted on Jul 11, 2013

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Posted on Jan 02, 2017

  • 202 Answers

SOURCE: 96 ford explorer code p0301 mis fire 1

Sounds like either a bad plug wire, or coil pack. This is about all that would cause the misfire.

Posted on Apr 17, 2009

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SOURCE: 2001 Galant ES-V6 DTC is P0304 - Cylinder #4 misfire

look for weak valve springs.

Posted on Jun 22, 2009

  • 257 Answers

SOURCE: 2000 TDI - Lots of white smoke at cold start.

Sounds like your injection pump timing is off, an injector is leaking or a bad seal on your IP.
VW dealers have a horrible reputation when it comes to TDI's. Check out the posts over at www.tdiclub.com Those guys are very knowledgeable - and the first thing they'll tell you is don't take it to a dealer.
You can probably find someone in your area that has a copy of Vag-Com (scantool software that vw uses) software that could look at your timing. It definitely sounds like your dealer was throwing parts at your car because they didn't know what your problem is. If I were you, I'd copy and paste your post from here over at www.tdiclub.com

Posted on Jul 21, 2009

  • 104 Answers

SOURCE: mazda protege 96 very hard to start when cold,

check the mas air flow sensor(is this the 6 cyl) the sensor has a problem with the nose piece inside not moving enough to tell the ecm the propper air flow for the cold start,also check throttle valve for dirt build up around it-if its a four cyl repost

Posted on Oct 05, 2009

  • 14036 Answers

SOURCE: 96 jeep cherokee misfires on cylinders 5 and 6

do a compression test on cylinder 5 & 6 you could have intake leak.and a leaking head gasket or worn valves in those cylinders.

Posted on Dec 13, 2009

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1 Answer

Replaced fuel pump , replaces cam sensor and still my 7.3 turbo f350 2001 wont start and wont produce a code


well im not to sure do the gauges work and did you check the solenoids for the injectors and the glow plugs and did you check the wiring for the glow plugs and the injectors they are molded into your valve covers and sometimes the tab on the inside of the valve cover breaks off and disconnects the wires

Aug 27, 2013 | 2001 Ford F350 Super Duty SuperCab

1 Answer

Ford code p1316


ford code p1316 is IDM problem ( injector driver module)
the IDM operates as 2 banks of injector drivers ( right and left and can cause one bank to shut down as if driving a 4 cyl
there are forum statements which say that there is a problem with wiring and clips inside of the rocker covers or broken wires
check that the harness and wires to the unit are tight
suspect that the module may be in an area that is near the transmission and the wires may have been disturbed
I went google and typed in--- ford fault code p1316 and there are videos and forum sites that will help you
code p 0562 refers to system voltage --low===causes ---wiring---poor connection--battery---alternator
also refers to ECM power relay control--circuit open wiring ---ECM relay
check that all harness connections were put back properly after the transmission job
code p 0231 refers to fuel pump relay---circuit low ===causes --wiring short to ground --fuel pump relay---ECM

Apr 13, 2017 | Cars & Trucks

1 Answer

2001 f350 diesel wont start without starting fld after wormed up


Starting fluid is a bad idea on glow plug engines. Some things to check are, the IDM, TPS, crank sensor, cam sensor, wires running through valve cover gasket, glow plug controller, ECM. Have the codes ran first. Could be one of the fuel pumps, but not common.

Dec 16, 2012 | 2006 Ford F 350 Super Duty

1 Answer

I have a f250 cranks but wont start blew the fuse for ecm did it fry module for injectors changed silonoid for glow plugs and air heater


Depends. I assume the ecm fuse was replaced and did not blow again, right ?
The computer grounds the injectors to make them open, so depending on what blew the fuse that part of the computer could be cooked.
You should be able to hook a test light to one of the injector plugs to see if it is getting power and ground.

Dec 12, 2012 | 2004 Ford F350

1 Answer

PO380 and p1316 what do thies coads mean.


P0380 - Glow Plug/Heater Circuit "A" Malfunction
Bad glow plug. The glow plug system is used to assist in providing the heat required to begin combustion during cold engine temperatures. The glow plugs are heated before and during cranking, as well as initial engine operation. The engine control module (ECM) controls the glow plug ON times by monitoring coolant temperature and glow plug voltage. The California Glow Plug system has eight individual glow plug supply circuits between the controller and the glow plugs. If the feedback voltage from the controller to the ECM is not within range, DTC P0380 will set.

- The glow plugs are commanded OFF and the glow plug feedback is more than 2 volts. or
- The glow plugs are commanded on and the glow plug feedback is not between 5 volts and 6.2 volts.

Keep in mind that the "wait to start" light only comes on while the voltage is dropping in that circuit. This should only take 3-5 sec's. If it takes longer, refer to your "Likely problem" you listed above. That would be the Heater Module. If your glo plugs stay on, your batteries would be dead in no time. If any of your plugs go bad, they would each be listed on the reader per cyl 1-8. If you need to change the Module,


P1316 - Injector Circuit / IDM Codes Detected.
This code indicates that codes are stored in the IDM

Possible causes are as follows:
- Injector(s) or circuit(s)
- Open or shorted IDM enable circuit
- Open/short in EF circuit
- Open/short in FDCS circuit
- IDM relay
- IDM powering circuits
- Failed IDM
- Failed PCM

Check your Injector Driver Module wires, circuits 821 (Brown/Orange) and 818 (Grey/White) between the PCM and IDM. On the IDM side, the connector pin numbers are 17 for circuit 821, and pin 4 for circuit 818. You should check for high resistance in that circuit, short to ground, or open circuits. If wiring checks out good, you may need to replace your IDM. It's not uncommon for water intrusion into the module, due to its mounting location. Also check the engine wiring harness where it routes up over the driver side shock and/or driver side valve cover. That code is either a key-on/engine-off or a continuous memory code.


Hope this helps (remember to rate this answer).

Feb 04, 2011 | 1999 Ford F350 Regular Cab

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

1 Answer

Where can I find the schematics for a 1995 Ford F250 7 3 liter turbo diesel? We're able to start the truck on ether, but she won't continue to run. We're guessing it's the fuel pump, possibly the filter or...


drain water from filter. change filter. prime system.
If it doesn't fix it, check glow plugs to be sure they are preheating combustion chamber.

Fuel Supply System The fuel system consists of the following three major subsystems:
  • Fuel supply system
  • Injection control pressure system
  • Fuel injector assembly
The fuel transfer pump is a camshaft-driven, two-stage diaphragm/piston pump mounted in the engine "V".
Fuel is drawn from the fuel tank through the primary filter by the diaphragm section of the transfer pump. Pressurized fuel (approximately 28 kPa [ 4 psi]) is supplied to the secondary filter and returned to the second stage of the transfer pump. The piston-actuated second stage of the transfer pump supplies 276-345 kPa (40-50 psi) of fuel to the rear of each cylinder head where it flows to a fuel rail machined in each head.
Drillings in the cylinder head route the fuel to the plunger area of the fuel injector which can pressurize the fuel to 124,110 kPa (18,000 psi) for delivery to the combustion chamber via a conventional nozzle/valve tip arrangement.
Return fuel is plumbed from fittings at the front of each cylinder head to a junction block which contains a piston/spring type regulator valve that maintains pressure to approximately 414 kPa (60 psi). A de-aeration bleed orifice between the fuel filter and the regulator block vents air trapped in the fuel filter. Most of the fuel from the regulator is recirculated to the inlet of the piston (high pressure) stage of the transfer pump. Fuel return to the tank is limited to 30-38 liters (8-10 gallons) an hour through the use of a 0.0008mm (.020-inch) orifice. This prevents the fuel from overheating in the tank.
---------------------------------------
Injector Driver Module The injector driver module (IDM) is used in conjunction with the PCM to sequentially control power to the fuel injectors on the 7.3L DI turbo diesel engine. The PCM processor generates two digital control signals for the IDM: fuel delivery control signal (FDCS) and cylinder identification (CID). The FDCS signal is used by the IDM to control injection timing and injection duration. The CID provides synchronization to the engine's first and fifth injector (firing order). The IDM verifies that FDCS and CID occur at valid timing intervals. The IDM outputs an electronic feedback (EF) signal, to the PCM, which is a delayed mimic of the FDCS for verification. Selected diagnostic information is also passed to the PCM via the EF signal in run mode.
The IDM is a high-energy power supply which acts as an energy distributor to provide regulated injector energy and control to the unit fuel injectors, based on FDCS and CID commands from the PCM. All IDM components are solid state; there are no user serviceable parts or adjustments. The IDM internal power supply uses a DC-to-DC converter to boost the supply voltage (VBATT) up to 115V DC. This supply is required to overcome the initial impedance of the injectors, ensuring rapid turn on. There are two high side drivers, one for each bank (left and right cylinder bank), and eight low side drivers, one for each injector. One high and one low side must be turned on to energize an injector. Once synchronized with the PCM, the IDM will select the proper low side driver (enable) and control the corresponding high side driver to regulate the current to an injector.
Continuous and on-demand system diagnostic information is provided between the PCM processor and the IDM via the EF signal. During normal operation, the IDM can indicate to the PCM that an injector low side short to ground has been detected, or that the IDM has lost synchronization.
The IDM constantly performs self-diagnostics and also monitors the injector circuits for electrical faults. Any fault codes set are transmitted via the EF signal to the PCM during Key On/Engine Off On-Demand Self Test. If the PCM is unable to obtain diagnostic information from the IDM, DTC 1668 is set.
---------------------------------------------
Glow Plug Control Glow plugs are used to warm the cylinders to improve cold-engine starting. The PCM uses the engine oil temperature (EOT) sensor and barometric pressure (BARO) sensor to determine how long the glow plugs will be on. The PCM energizes the glow plugs longer if the engine is very cold or if the barometric pressure is low at high altitudes.
The PCM controls the relay that supplies power to the glow plugs with the glow plug control (GPC) signal. When the GPC signal is grounded by the PCM the relay closes, turning the glow plugs on.
The glow plugs are controlled by the following sequence:
  1. PCM energizes the glow plugs.
  1. The PCM energizes the glow plugs immediately after the ignition is placed in the ON position.
  1. The PCM then determines how long glow plugs will be on based on EOT sensor and the BARO sensor. The required time to warm up the cylinder decreases the engine oil temperature and barometric pressure increases at low altitudes.
  2. ------------------------------------------------------
Glow Plug Lamp Control The glow plug lamp (GPL) signal controls the WAIT TO START light located on the instrument panel. This light is used to indicate when to start the engine. The cylinders are being warmed by the glow plugs during and after this light is lit. The PCM energizes the glow plug lamp longer if the engine is very cold or if the barometric pressure is low.
When the GPL signal is brought low, the "Wait to Start" lamp is turned on.
The glow plug lamp is controlled by the following sequence:
  1. PCM lights the WAIT TO START light after a key on reset occurs.
The PCM determines the glow plug lamp activation time based on engine oil temperature, barometric pressure and battery voltage.
  1. PCM turns off the WAIT TO START light.
The glow plug lamp is turned off when the timer counts to the number of seconds specified by the PCM. The glow plugs will normally remain on longer than the "Wait to Start" lamp.

Sep 22, 2009 | 1995 Ford F250

1 Answer

How do you change the glow plugs and relay in a F350 1997


Hello, here is the proceedure. Any questions please ask. Good luck. CAUTION The red-striped wires on the 1994-96 DI Turbo engine carry 115 volts DC. A severe electrical shock may be given. Do not pierce the wires.
  1. Make sure the ignition switch is OFF.
  2. For 1994-96 engines, remove the valve cover.
  3. Disconnect the wire connector from the glow plug.
  4. Using a 10mm deep socket, with enough clearance as to not break or bend the wiring connector, unscrew the glow plug from the manifold.
To install:
  1. Place anti-seize on the threads of the glow plug and screw it into the manifold.
  2. Tighten the glow plug to 12 ft. lbs. (16 Nm).
  3. Plug the wiring connector.
  4. Connect the negative battery cable.
  5. For 1994-96 engines, install the valve cover.
0900c152801cd773.jpgFig. 4: Disconnect the wire, then remove the glow plugs as shown

Jan 23, 2009 | 1995 Ford F350

1 Answer

1989 ford f350 diesel wont start


Bad glow plugs most probably or the glow plug controller. to check your glow plugs remove wire and check with ohm meter to ground. if they are working you should get a low ohm reading if one has a high ohm reading it is bad. if all injectors check good make sure your fuses are ok, also check and see if you hear the controller click when you turn the key to on. Does the wait to start light come on?

Dec 27, 2008 | 2004 Ford F350

4 Answers

1991 ford f350 turbo diesel


bad glow plug harness

Jul 24, 2008 | 1991 Ford F350

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