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Ignition coil 3 - Cars & Trucks

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Did you ohm out the spark plug wires i heard you say you swaped coiles and what year and kind of care is this

Posted on Nov 28, 2012

  • Canisius Edward Nov 30, 2012

    this car is a 2000 montero sport, v6 3.0, the service engine soon light came and i went to autozone for a read on the code. it detected a multiple cylinder missfire

  • Canisius Edward Nov 30, 2012

    i changed out all of my spark plugs the light is still on after unplugging my battery for some time.


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P1747 epc solenoid short circuit

Posted on Nov 28, 2012


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How to change a coil pack on a Chevy Tahoe

To Remove......
1. Remove the spark plug wire from the ignition coil.
2. Disconnect the ignition coil electrical connector.
3. Remove ignition coil bolts.
4. Remove ignition coil.

To Install.....
1. Install ignition coil.
2. Install ignition coil bolts.
3. Tighten ignition coil bolts to 8 Nm the same as 71 inch pounds.
4. Connect ignition coil electrical connector.
5. And finally, install spark plug wire to ignition coil.

Apr 22, 2015 | Chevrolet Tahoe Cars & Trucks

1 Answer

Po 353 code

P0353 CHEVROLET Description The ignition system on the vehicle uses individual ignition coils for each cylinder. The Powertrain Control Module (PCM) controls each ignition coil operation. The PCM sends a ON/OFF signal to energize the ignition coil to create a spark at the spark plug when a spark is required at the cylinder.

Possible Causes - Ignition Coil harness is open or shorted
- Ignition Coil circuit poor electrical connection
- Faulty Ignition Coil 3
- Faulty Powertrain Control Module (PCM)
Read more:

Jul 26, 2012 | 2006 Chevrolet Cobalt

1 Answer

My 1198 bmw 318i compact is only sparking on 1&3 cylinder

Improve the FixYa experience for everyone by voting. I want you to let me know if the solution(s) suggested were of any value. Constructive criticism is welcomed.


I'm Ben and -- hopefully -- I can provide some meaningful assistance.

I recommend a diagnostic scan to confirm my diagnosis of a malfunctioning coil(s).

How to Test and Replace Ignition Coil on BMW 3 Series

The following procedures apply for BMW 3 series (6-cylinders engine) 1992 - 1998 model years. To Test and Replace the Ignition Coil, do the following:
  1. Remove plastic engine covers from top of engine by prying off nut covers and removing cover mounting nuts.
  2. Disconnect harness connector from coil. Connect multimeter between terminal 15 (+) in connector and ground. (use a digital multimeter for the following test). See Fig.1. below BMW 3 series coil harness
  3. Turn ignition on and check for battery voltage. If battery voltage is not present, check wire between terminal 15 and ignition switch. The wiring to terminal 15 (+) of the coil (via the ignition switch) is not fuse protected. Use care when testing this circuit.
  4. Turn ignition off.
  5. Use a multimeter to test coil primary resistance at coil terminals. (primary coil terminals: 1 (-) and 15 (+), primary coil resistance: 0.4-0 .8 ohms; secondary coil terminal and resistance: NA).
  6. Remove coil and inspect coil housing for hairline cracks or leaking casting material . A leaky ignition coil may indicate a faulty engine control module (ECM). Check ECM before installing a new coil.
  7. When replacing ignition coils, ensure that the replacement coil(s) are from the same manufacturer containing the same part code numbers. If individual coils with the correct specifications are not available, all coils should be replaced.

May 30, 2012 | BMW 318 Cars & Trucks

1 Answer

Trouble with escalade

Vehicles: Escalade, Suburban, Tahoe, Yukon, Denali, DenaliXL, YukonXL 1999-2005 with Distributorless Ignition System

Normally I'd recommend that you check your ICM (Ignition Coil Module), but the ICM in this vehicle is an integral component of the PCM (Powertrain Control Module), and is not separately serviceable.

In the US, one can go to Advance Auto Parts/AutoZone/Pep Boys, and get a free "ignition system check" which will tell you whether your alternator/voltage regulator may be failing/marginal. Also, by disassembling your battery and carrying it into the store, you can get a free battery load test on their in-store tester.

Also, you'll want to get a free "Check Engine Light" test from Advance/AutoZone/Pep Boys, since that'll give any DTC (Diagnostic Trouble Codes) that the car's PCM may have stored. Once you have any DTC's stored by you car's computer, check the chart at the end of this solution for their interpretation - codes whose numbers exceed 1000 are Cadillac-specific codes. All of the included codes are stored in response to ignition coil faults.

These instructions apply whether your Escalade has a 5.3L or 6.0L engine.

Table of Contents:
Sec 1 - Adjustments - Ignition Timing
Sec 2 - Distributorless Ignition System - Description
Sec 3 - Ignition Coils - Removal and Installation
Adjustments - Ignition Timing

Ignition timing is preset and cannot be adjusted. Ignition timing is controlled by the Powertrain Control Module (PCM).

On V6 motors the distributor is located in a fixed, non-adjustable position. DO NOT attempt to rotate the distributor otherwise damage may result.

On V8 engines the distributor can be rotated for proper alignment of the rotor to the cap. The engine base timing is not adjustable by rotating the distributor.

The 4.3L, 5.0L, 5.7L and 7.4L engines use a distributor ignition system.

The 4.8L, 5.3L, 6.0L and 8.1L engines use a distributorless ignition system.
Distributorless Ignition System - Description

The 4.8L, 5.3L, 6.0L and 8.1L engines do not incorporate a distributor to deliver energy from a common coil to the individual spark plugs. The electronic ignition (EI) system is responsible for producing and controlling a high energy secondary spark. This spark is used to ignite the compressed air/fuel mixture at precisely the correct time. This provides optimal performance, fuel economy, and control of exhaust emissions.

This ignition system consists of a separate ignition coil connected to each spark plug by a short secondary wire. The driver modules within each coil assembly are commanded ON/OFF by the powertrain control module (PCM). The PCM primarily uses engine speed and position information from the crankshaft and camshaft position (CMP) sensors to control the sequence, dwell, and timing of the spark.

Ignition Coils - Removal & Installation

The ignition coil module is integrated in the Powertrain Control Module (PCM). Individual replacement is not possible, the entire PCM would need to be replaced.

Ignition Coils - Removal & Installation

If equipped with Regular Production Option (RPO) HP2, disconnect the Energy Storage Box (ESB).

Remove the spark plug wire from the ignition coil.

Disconnect the ignition coil electrical connector.

If equipped with regular production option (RPO) HP2, remove the auxiliary heater water pump bracket bolts.

Fig. 1 Removing the auxiliary heater water pump

Remove the auxiliary heater water pump from the studs, and reposition out of the way.

If equipped with RPO HP2, remove the starter/alternator control module (SGCM) cover bolts, and cover.

Remove the 3-phase cable nuts to the SGCM.

Remove the 3-phase cable from the SGCM.

Remove the 3-phase cable bracket nuts.

Remove the 3-phase cable bracket from the studs, and reposition the cable and bracket out of the way.


Fig. 2 Starter/Alternator Control Module Electrical Connections

Remove the ignition coil bolts. (see image below)


Fig. 3 Removing the ignition coil bolts

Remove the ignition coil.

To install:

Install the ignition coil.

Install the ignition coil bolts.
Tighten the bolts to 71 inch lbs. (8 Nm).

If equipped with RPO HP2, position the cable (w/bracket) and install the 3-phase cable bracket to the studs.
Install the 3-phase cable bracket nuts and tighten the nuts to 133 inch lbs. (15 Nm).

Install the 3-phase cable to the SGCM.

Install the 3-phase cable nuts to the SGCM and tighten the nuts to 80 inch lbs. (9 Nm).

Install the SGCM cover and bolts.

Tighten the bolts to 80 inch lbs. (9 Nm).

Fig. 4 Starter/alternator control module electrical connections (again)

If equipped with RPO HP2, position the auxiliary heater water pump and install it onto the studs.
Install the auxiliary heater water pump bracket bolts and tighten the bolts to 133 inch lbs. (15 Nm).

Fig 5 Removing the Auxiliary Heater Water Pump

Connect the ignition coil electrical connector.

Install the spark plug wire to the ignition coil.

If equipped with RPO HP2, connect the ESB


Connect scan tool to vehicle's Data Link Connector and follow scan tool instructions to download diagnostic Trouble Codes (DTCs) to the scan tool.

Diagnostic Trouble Code (DTC) list:

DTC P0351: Ignition Coil 1 Control Circuit
DTC P0352: Ignition Coil 2 Control Circuit
DTC P0353: Ignition Coil 3 Control Circuit
DTC P0354: Ignition Coil 4 Control Circuit
DTC P0355: Ignition Coil 5 Control Circuit
DTC P0356: Ignition Coil 6 Control Circuit
DTC P0357: Ignition Coil 7 Control Circuit
DTC P0358: Ignition Coil 8 Control Circuit
DTC P1351: Ignition Coil Control Circuit High Voltage
DTC P1361: Ignition Coil Control Circuit Low Voltage

If a DTC indicates an ignition coil is faulty before replacing the ignition coil check wiring for short circuits, broken or chafed wires, loose connections and corroded terminals.

Dec 08, 2011 | 2002 Cadillac Escalade

1 Answer

My 92 explorer has no spark

Hi, here are some tests you can do to diagnose the problem. Please let me know if you have questions.

First, use a voltmeter or 12 volt test light to check for power on the red wire going to pin 8 of the ignition control module when the key is on. The module is in the left front corner of the engine compartment.


If there is no power, the problem is the ignition switch or EEC relay. If there is power, next, check the ignition coil as listed below.

IGNITION COIL TESTINGPrimary and Secondary Circuit Tests
  1. Turn the ignition switch OFF , disconnect the battery, then detach the wiring harness connector from the ignition coil to be tested.
  2. Check for dirt, corrosion or damage on the terminals.

  1. Use an ohmmeter to measure the resistance between the following terminals on the ignition coil, and note the resistance:

Except 2.3L, 2.5L and 5.0L engines

B+ to Coil 1 B+ to Coil 2 B+ to Coil 3
The resistance between all of these terminals should have been between 0.3-1.0 ohms. If the resistance was more or less than this value, the coil should be replaced with a new one.



Fig. Fig. 1: Engine ignition coil harness connections-3.0L and 4.0L engines

  1. Measure, using the ohmmeter, and note the resistance between each corresponding coil terminal and the two spark plug wire towers on the ignition coil. The coil terminals and plug wires towers are grouped as follows:
Except 2.3L, 2.5L and 5.0L engines

Terminal 3 (coil 1)-spark plugs 1 and 5 Terminal 2 (coil 3)-spark plugs 2 and 6 Terminal 1 (coil 2)-spark plugs 3 and 4

If the coils test good, move on the the crankshaft sensor.
Using a DVOM set to the DC scale to monitor less than 5 volts, measure the voltage between the sensor Cylinder Identification (CID) terminal and ground by backprobing the sensor connector. If the connector cannot be backprobed, fabricate or purchase a test harness. The sensor is okay if the voltage reading varies more than 0.1 volt with the engine running at varying RPM. (check both the blue and gray wires at the ignition module with the engine cranking.)


Fig. Fig. 3: CKP sensor wire harness connections for the 4.0L (VIN X and E) engines

If there is power and both the coils and sensor check good, replace the ignition control module.

Oct 27, 2011 | Cars & Trucks

1 Answer

I need a digram of the ignition coil for 1997 E320 mercedes


Ignition coil terminal 1 --> UCE Bosch ME2.0 (terminal 21(coil 1) ,16(coil 2), 7(coil 3) ,14(coil 4), 4(coil 5), 18(coil 6))

Ignition coil terminal 2 --> Fuses and Relays Module X61 (terminal 34)

Ignition coil terminal 3 --> UCE Bosch ME2.0 (terminal 20(coil 1) ,17(coil 2), 6(coil 3) ,13(coil 4), 5(coil 5), 19(coil 6))

Hope i helped.

May 20, 2011 | Mercedes-Benz E320 Cars & Trucks

1 Answer

How to remove a 1989 pickup chevrolet ignition coil ,6 cil.,chayane

GM Full-Size Trucks 1988-1998 Repair Information
(sSee Figures 1, 2 and 3)


Fig. 1: Ignition coil mounting-4.3L engines
  1. Tag and unplug the wiring connectors from the coil and the coil wire.
  2. Unfasten the retainers securing the coil bracket and coil to the manifold.
  3. Remove the coil and bracket and drill out the two rivets securing the coil to the bracket.
  4. Remove the coil from the bracket.
To install:
The replacement coil kit may come with the two screws to attach the coil to the bracket. If not, you must supply your own screws.


Fig. 2: Ignition coil mounting-5.0 and 5.7L engines


Fig. 3: Ignition coil mounting-7.4L engines
  1. Fasten the coil to the bracket using two screws.
  2. Fasten the coil and bracket to the manifold. Tighten the retainers until they are snug.
  3. Engage the coil wire and the wiring connectors to the coil.

Hope this help to solve it (remember comment and rated this).

Apr 21, 2010 | 1989 Chevrolet C2500

1 Answer

2002 kia sedona with a trouble code p0350

Check Ignition Coil 1. IG KEY : OFF , Engine : OFF 2. Disconnect ignition coil connector B-20/ B-21/ B-22. 3. Measure the primary coil resistance. - Connect the negative (-) terminal of a 3V power supply to terminal 2 of the power transistor; then check whether there is continuity between terminal 3 and terminal 2 when terminal 1 and the positive (+) terminal are connected and disconnected. A. [Specification] 1) In case of connecting terminal 1 with the positive (+) terminal Resistance between terminal 2 and 3: Approx. 0.78Ω±10%(20°C(68°F)) 2) In case of not connecting terminal 1 with the positive (+) terminal Resistance between terminal 2 and 3: infinite(∞Ω) 4. Measure the secondary coil resistance between the high-voltage terminals of the ignition coil. A. [Specification] Approx. 13.0 ± 2.6(kΩ) (20°C(68°F)) sor35d030033.gif sor35d030034.gif 5. Is the ignition coil normal? yes_icon.gif YES 1) Ignition coil is OK. 2) Possibility of PCM malfunction 3) Test with a new PCM and check for proper operation. If problem is corrected replace PCM and go to "Verification Vehicle Repair" procedure. no_icon.gif NO 1) Test with a new ignition coil and check for proper operation.If problem is corrected, replace it. 2) Go to "Verification Vehicle Repair" procedure. findme(''); findme(''); findme('');

Oct 05, 2008 | 2003 Kia Sedona

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