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Spark plugs In reference to the previouse posting(Below), I have the 5 spark plug engine, are you refering to the older style that has four spark plugs? thanks, Ruel I have a 2004 s40 2.4i (new body style, exactly like the 05 2.4i engine) and I need to know how to replace the spark plugs. I have no idea where they are. Please let me know if you can help. My email is rmeneses@camden.rutgers.edu , cell 443-418-6594. thanks, Ruel Still need a solution for this problem? Try our Premium Assistance plan Solution #1 posted on Aug 28, 2008 greasedog Rank: Guru Rating: 85%, 61 votes hi there, on this vehicle youll see a cover on top of the valve cover with about two or three screws on top. unscrew them and underneath you see a box type components (square in shape) with wires connected to them (4 to be exact) they might have a screw holding them down as well. unscrew them and gently pull them upward and the spark plugs are down in the hole (5/8 socket and extention to get them out) good luck and appreciate your question.

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SOURCE: Spark Plugs

hi there, on this vehicle youll see a cover on top of the valve cover with about two or three screws on top. unscrew them and underneath you see a box type components (square in shape) with wires connected to them (4 to be exact) they might have a screw holding them down as well. unscrew them and gently pull them upward and the spark plugs are down in the hole (5/8 socket and extention to get them out) good luck and appreciate your question.

Posted on Aug 28, 2008

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1997 buick lesabre runs good but hard to start


Hard Start
Checks
Action
Definition: Engine cranks OK, but does not start for a long time. Does eventually run, or may start but immediately dies.
Preliminary
• Refer to the Powertrain On Board Diagnostic (OBD) System Check .
• Refer to Important Preliminary Checks .
• Refer to Visual/Physical Checks .
• Search for bulletins.
Sensor/System
• Check Engine Coolant Temperature (ECT) sensor for being shifted in value. Connect a Scan Tool and compare the Engine Coolant Temperature with the Intake Air Temperature on a cold engine. The ECT and IAT should be within ± 3°C (5°F) of each other. Check the resistance of the ECT sensor if the temperature is out of range with the IAT sensor. Refer to Temperature vs Resistance . If the ECT sensor resistance is not within the specification, refer to DTC P0117 Engine Coolant Temperature (ECT) Sensor Circuit Low Voltage or DTC P0118 Engine Coolant Temperature (ECT) Sensor Circuit High Voltage .
• Check the throttle body inlet screen for foreign objects or damage that may affect the MAF sensor airflow sample. Refer to Throttle Body Assembly Replacement .
• Use a scan tool in order to check the IAC operation. Refer to Idle Air Control (IAC) System Check .
• EGR system. Check the for the following conditions:
- EGR pipes and adapter for vacuum leaks.
- Remove the EGR valve and check for a stuck open pintle. Refer to Exhaust Gas Recirculation Valve Replacement .
Fuel System
• Check the fuel pump relay circuit for proper operation. Refer to Fuel Pump Electrical Circuit Diagnosis .
• Check for incorrect fuel pressure. Refer to Fuel System Pressure Test .
• Check the fuel injectors. Refer to Fuel Injector Solenoid Coil Test .
• Check for fuel contamination. Refer to Alcohol/Contaminants-in-Fuel Test .
Ignition System
• Check for proper ignition voltage output by using the following steps:
- Clip the spark tester J 26792 to engine ground.
- Connect one end of a spark plug wire to the spark tester while leaving the other end of the spark plug wire to the coil being tested.
- Connect one end of another spark plug wire to the other coil tower.
- Connect the other end of the spark plug wire to ground.
- Crank the engine while observing the spark tester. A crisp blue spark should be observed.
- Repeat the above steps for each coil.
• If an adequate spark is not present at the coil(s), check for the following conditions:
- Coil(s) - Cracks, carbon tracking/arcing, or a resistance value outside the specified range.
Coil Resistance
5000 - 8000 ohms (5K - 8K ohms)
- Spark Plug wires
• signs of arcing/cross
• cracks
• carbon tracking
• firing
• plug boot damage
• pinched or improper routing
• high resistance
- Spark plug wire resistances should measure less than the specified value.
VIN 1 Spark Plug Wire Resistance
7000 ohms (7K ohms).
VIN K Spark Plug Wires Resistance
10000 ohms (10K ohms).
Important: Spraying the secondary ignition wires with a light mist of water may help locate an intermittent problem. Ignition components will arc to ground when a secondary component is malfunctioning.
- Defective module.
- Ignition System Wiring - Loose ignition module feed or ground connection, or damaged system wiring.
• Remove spark plugs and check for the following conditions:
- Fouled plugs
- Cracks
- Wear
- Improper gap
- Burned or damaged electrodes
- Improper heat range or reach
• If spark plugs are gas or oil fouled, the cause of the fouling must be determined before replacing the spark plugs.
Engine Mechanical
• Excessive oil in combustion chamber-Leaking valve seals. Refer to Engine Mechanical.
• Low cylinder compression. Refer to Engine Mechanical.
• For incorrect basic engine parts. Inspect the following:
- Cylinder heads
- Camshaft and valve train components
- Pistons, etc.
- Refer to Engine Mechanical.

Nov 17, 2016 | 1997 Buick LeSabre

1 Answer

My 2003 pontiac aztek shuts off when its in idle


Could have a vacuum leak , a problem with the IAC - idle air control motor !
Rough, Unstable, or Incorrect Idle and Stalling
Inspection/Test
Action
DEFINITION: Engine runs unevenly at idle. If severe, the engine or vehicle may shake. Engine idle speed may vary in RPM. Either condition may be severe enough to stall the engine.
Preliminary
?€¢
Refer to Diagnostic System Check - Engine Controls .


?€¢
Refer to Intermittent Conditions before starting.


?€¢
Search for bulletins.


?€¢
Observe the owners driving habits.

Fuel System
?€¢
Test the fuel system circuits for proper operation. Refer to Fuel Pump Electrical Circuit Diagnosis .


?€¢
Test for low fuel pressure. Refer to Fuel System Diagnosis .


?€¢
Test for faulty fuel injectors. Refer to Fuel Injector Balance Test with Special Tool , Fuel Injector Balance Test with Tech 2 , Fuel Injector Solenoid Coil Test test procedures.


?€¢
Inspect for fuel contamination. Refer to Alcohol/Contaminants-in-Fuel Diagnosis .


?€¢
Inspect for fuel in the pressure regulator vacuum hose.


?€¢
Ensure each injector harness is connected to the correct injector/cylinder.


?€¢
Inspect for any items which may cause an engine to run rich, long term fuel trim is significantly in the negative range. Refer to Diagnostic Aids for DTC P0172 .


?€¢
Inspect for any items which may cause an engine to run lean, long term fuel trim is significantly in the positive range. Refer to Diagnostic Aids for DTC P0171 .

Sensor/System
?€¢
Test for conditions which cause an incorrect idle speed.


-
Throttle body tampering, excessive deposits, or damage--Refer to Fuel System Description .


-
Restricted air intake system


-
Large vacuum leak


?€¢
Inspect the air intake ducts for being collapsed, damaged areas, looseness, improper installation, or leaking especially between the MAF sensor and the throttle body.


?€¢
Inspect crankcase ventilation valve for proper operation.


?€¢
Inspect the throttle position (TP) sensor and related wiring. Refer to DTC P0123 .


?€¢
Monitor the 24X crank sensor and the CMP sensor signal present parameters on the scan tool. If both are not responding, test the sensor feed circuit. Both sensors use a separate feed circuit but are internally connected to power. Test all CKP sensor A and CMP sensor circuits for intermittents. Refer to Testing for Intermittent Conditions and Poor Connections in Wiring Systems.


?€¢
Monitor the 3X parameter on the scan tool. If the 3X is not responding, inspect the CKP sensor B and circuits for intermittents. Inspect the ignition control (IC) circuit, IC timing control circuit, low resolution engine speed signal circuit and the low reference circuit for intermittents. If these circuits become open, or shorted, they may not set a diagnostic trouble code (DTC) immediately, but are capable of causing driveability complaints. Refer to Testing for Intermittent Conditions and Poor Connections in Wiring Systems.


?€¢
Test the exhaust gas recirculation (EGR) system for proper operation. Refer to Exhaust Gas Recirculation (EGR) System Description .


?€¢
Inspect the Transaxle Range Switch input with the vehicle in drive and the gear selector in drive or overdrive


Ignition System
?€¢
Inspect for proper ignition voltage output using the following steps:


1.
Attach the J 26792 Spark Tester to engine ground.


2.
Connect the spark plug end of the spark plug wire to the J 26792 . Leave the other end of the spark plug wire connected to the coil being tested.


3.
Connect the spark plug end of the companion spark plug wire to ground. The companion spark plug wire is the wire attached to the corresponding coil tower.


4.
Crank the engine while observing the J 26792 . A spark should be observed.


5.
Repeat the above steps for each coil.


?€¢
If spark is not present at the coils, inspect for the following conditions:


-
Coils--Cracks, carbon tracking/arcing, or a resistance value outside the specified range

Coil Resistance
5000-8000 ohms (5K-8K ohms)
-
Spark plug wires--Signs of arcing, cross firing, cracks, carbon tracking, plug boot damage, pinched, improper routing, or a resistance value outside the specified range

Spark Plug Wire Resistance
9 686 ohms per meter (3,000 ohms per foot)
Important: : Spraying the secondary ignition wires with a light mist of water may help locate an intermittent problem. Ignition voltage will arc to ground when a secondary component is faulty.


-
Defective ignition module


-
Ignition system wiring--Loose ignition module feed or ground connection, or damaged system wiring


?€¢
Remove spark plugs and inspect for the following conditions:


-
Fouled plugs


-
Cracks


-
Wear


-
Improper gap


-
Burned or damaged electrodes


-
Improper heat range or reach


?€¢
If spark plugs are gas or oil fouled, the cause of the fouling must be determined before replacing the spark plugs. Refer to Spark Plug Inspection .

Sep 27, 2015 | Pontiac Cars & Trucks

1 Answer

Hard starting


This problem can be hard to track down , it could be caused by several thing's ! A bad check valve in the fuel pump letting fuel drain back into the tank , not keeping fuel line pressure up , a crankshaft position sensor can also cause this as well as an ignition control module !
Checks
Action
DEFINITION: Engine cranks OK, but does not start for a long time. Does eventually run, or may start but immediately dies.
Preliminary
?€¢
Refer to Important Preliminary Checks Before Starting in Symptoms - Engine Controls .


?€¢
Inspect the powertrain control module (PCM) grounds for being clean, tight, and in the proper locations. Refer to Engine Controls Schematics .


?€¢
Search for bulletins.

Sensor/System
?€¢
Test the engine coolant temperature (ECT) sensor for being shifted in value. Connect a scan tool. Compare the engine coolant temperature against the intake air temperature (IAT) on a cold engine. The ECT and IAT sensor values should be within ?± 3?°C (5?°F) of each other. If the ECT sensor is out of range with the IAT sensor, check the resistance of the ECT sensor. Refer to Temperature Versus Resistance for resistance specifications. Replace the ECT sensor if the resistance is not within the specification. If the sensor is within the specification, repair the ECT signal circuit for high resistance.


?€¢
Inspect the mass air flow (MAF) sensor installation. A MAF sensor that is incorrectly installed may cause a hard start. Important: The embossed arrows on the MAF sensor indicate the direction of the intake air flow. The arrows must point toward the engine. Install the MAF in the proper direction. Refer to Mass Airflow Sensor/Intake Air Temperature Sensor Replacement .


?€¢
Inspect the camshaft position (CMP) sensor for proper mounting and/or a bad connection. A long crank time occurs if the PCM does not receive a CMP signal.

Fuel System
?€¢
Inspect the fuel pump relay operation. The fuel pump should turn ON for 2 seconds when you turn ON the ignition. Refer to Fuel Pump Electrical Circuit Diagnosis .


?€¢
A faulty in-tank fuel pump check valve allows the fuel in the lines to drain back to the tank after the engine stops. Refer to Fuel System Diagnosis .


?€¢
Inspect both injector fuses for being open. An open injector fuse causes four injectors and four ignition coils not to operate. Replace the fuse. Inspect the injector circuits and the ignition coil circuits for an intermittent short to ground.


?€¢
Inspect for incorrect fuel pressure. Refer to Fuel System Diagnosis .


?€¢
Inspect for a restricted fuel filter. Refer to Fuel System Diagnosis .


?€¢
Inspect for a contaminated fuel condition. Refer to Alcohol/Contaminants-in-Fuel Diagnosis .


Ignition System
?€¢
Test both injector fuses for being open. An open injector fuse causes four ignition coils and four injectors not to operate. Replace the fuse. Inspect the ignition coil circuits and the injector circuits for an intermittent short to ground.


?€¢
Inspect for proper ignition voltage output with J 26792 Spark Tester. Refer to Electronic Ignition (EI) System Diagnosis .


?€¢
Remove the spark plugs and check for the following:


-
Correct heat range


-
Wet plugs


-
Cracks


-
Wear


-
Improper gap


-
Burned electrodes


-
Heavy deposits

Refer to Spark Plug Inspection in Engine Electrical.
?€¢
Determine the cause of the fouling before replacing the spark plugs if the spark plugs are gas, coolant, or oil fouled. Refer to DTC P0172 or P0175 for diagnosis of the rich condition. Refer to Spark Plug Inspection in Engine Electrical for diagnosis of coolant or oil fouled spark plugs.


?€¢
Inspect for bare or shorted ignition wires.


?€¢
Inspect for loose ignition coil grounds. Refer to Electronic Ignition (EI) System Diagnosis .

Jul 14, 2015 | 2002 GMC Sierra 1500

1 Answer

WHERE ARE THE SPARK PLUGS LOCATED IN A 2004 CHEVY MALIBU


Thanks, Glad I can try, however, its very easy to locate. if there's a plastic trim/cover over the engine remove-it and set aside. The Spark Plugs is sitting right below the Ignition Cassette or Coil as it is also referred to, it may say ECOTEC on the cover, secondly, remove the electrical harness on right side of the cassette, it's just above the oil filler cap, then remove the four, 10 bolts and pull-up the Ignition cassette. All four Spark Plugs will be there for easy removal and replacement. Reverse actions will be in order... Here is what you will need to perform the repair: 3/8 in ratchet, 5/8 in Spark-plug Socket, 3/8 in extension 12 ins long and a #10 socket. For your 2004 Chevrolet Malibu with a 2.2 liter ECOTEC Engine. Hope this DIY was helpful!

Jul 04, 2014 | 2004 Chevrolet Malibu

1 Answer

97 pontiac firebird 5.7L HAS NO spark from optispark but has spark from coil


This engine uses a special flat cap and a standard rotor, right ? The spark comes into the cap and thru the rotor, then to the spark plugs.
Have you replaced the rotor ?
The spark can jump thru the rotor and ground thru the dist. shaft.
Depending on where you are testing for spark, the coil could also be weak and not pushing the spark to the plugs.

Jun 23, 2012 | Cars & Trucks

4 Answers

94 gmc sonoma 4.3l vortec new coil, plugs, wires cap and rotor still no spark coming from the coil?


The ignition module in the distributor is what you need to give the engine spark to the plugs. It senses signals from the PCM to regulate the spark control and this item is the part that took over the old style point & condensor type ignitions. It is time for a new one in your truck

Apr 17, 2010 | 1994 GMC Sonoma

2 Answers

Volvo 1984 StnWagon Dl turns over but dies when taking off the ga


NO Diesel engines dont have spark plugs so dont worry about it as the ones you have should be ok BUT first check the length of the plug thread to the ones you took out, are they the same as they have to be the correct length and not any diffreance also the earth tip on the end
If they look the same 100% your ok to go. RON

Nov 16, 2009 | 1984 Volvo DL

1 Answer

Need to pull spark plugs on 2001 Jeep Cherokee


Ill send you a diagram. What engine do you Have?

Mar 28, 2009 | 2001 Jeep Cherokee

3 Answers

Coil pack. what and where is it? what does it look like?



 
 
Ignition Coil
Removal & Installation
4.2L Engine
1997-2000
To Remove:

Before servicing the vehicle refer to the precautions at the beginning of this section.
Remove or disconnect the following:
The ignition coil electrical connector
The radio ignition interference capacitor connector
The locking tabs
The six ignition wires, marking for reinstallation
The brackets
The spark plug wire set
CAUTION
Spark plug wires must be connected to the proper ignition coil terminal. Mark spark plug wire locations before removing them.
The accelerator cable bracket nut
The accelerator cable bracket bolt
The accelerator cable bracket and position it aside.
The two ignition coil nuts
The ignition coil stud bolt
The ignition coil
To Install:
Install or connect the following:
The ignition coil
The two ignition coil nuts
The ignition coil stud bolt
Torque to: 71-98 inch-lbs (8-11 Nm)
The accelerator cable bracket
The accelerator cable bracket nut
The accelerator cable bracket bolt
Torque to: 71-98 inch-lbs (8-11 Nm)
The ignition coil electrical connector
The radio capacitor connector


CAUTION
The Spark plug wires must be connected to the proper ignition coil terminal.
Squeeze the locking tabs and connect the six ignition cables.
2001-2003
To Remove:

Before servicing the vehicle refer to the precautions at the beginning of this section.
Remove or disconnect the following:
The ignition coil electrical connector
The spark plug wires, marking for reinstallation
CAUTION
The sparkplug wires must be connected to their correct ignition coil terminal.
The ignition coil
The bolts
Inspect the ignition coil for carbon tracks or damage.
To Install:
Inspect the ignition coil for carbon tracks or damage.
Install or connect the following:
The ignition coil
The bolts
Torque to: 53 inch-lbs (6 Nm)
The ignition coil electrical connector
The spark plug wires, in their original positions
4.6L Engine
1997-1999
To Remove:

NOTE: This procedure is for either RH or LH ignition coil.
Before servicing the vehicle refer to the precautions at the beginning of this section.
Remove or disconnect the following:
The ignition coil electrical connector
The radio capacitor electrical connector
The spark plug wires by squeezing the locking tabs (four each side)
CAUTION
The spark plug wires must be connected to their proper ignition coil terminal. Mark spark plug wire locations.
The bolts
The ignition coil
To Install:
NOTE: The procedure is for either LH or RH ignition coil
Install or connect the following:
The ignition coil
The bolts
Torque to: 44-62 inch-lbs (5-7 Nm)
The ignition coil electrical connector
The radio capacitor electrical connector
The spark plug wires (four each side), into their original positions by squeezing the tabs


CAUTION
The spark plug wires must be connected to their proper ignition coil terminal.

 
Top of Form 1
Bottom of Form 1

Mar 28, 2009 | 1998 Ford F150 Regular Cab

1 Answer

Glow plugs


Gasoline engines dont use glow plugs. glow plugs are for diesel engines some people call glow plugs as heater plugs, but well, if you are refering to a toyota corolla, then you must have been refering to the SPARK PLUGS. trace the four long wires(high tension wires) that goes to the engine, pull the rubber boot and you will see the spark plugs, its kinda deep though so you will need a flashlight.

Oct 14, 2008 | 2004 Toyota Corolla

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