Question about 2002 Buick LeSabre

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Replace sparkplugs It appears that this is difficult

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  • Buick Master
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The front 3 are quite easy to get to, the back 3 are a bit more troublesome. You need to be a contortionist to get yourself around to the back of the motor. If you have access to a lift it is not quite as bad to get to from under the vehicle. It is possible to to it from the ground and reach over the back of the engine as I have had to do it many times, but it is not a fun job.

Posted on Apr 21, 2013

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Posted on Jan 02, 2017

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03 crown vic will turn over and still wont start


You need four things for your car to run: fuel, spark, air, and timing. Until you figure out which is missing, it will be difficult to diagnose the problem. What did you check on the sparkplugs? You can tell a lot from your sparkplugs if you know what to look for, checking if each one gets spark is important. Is it getting fuel? At the right time? There are many components involved in the timing process...depends on what kind of system you have. One of the culprits can be sensors. You will have to have some moderate electrical knowledge and possibly a wiring diagram to properly check these. I will try to follow this question to help as much as i can

Jun 15, 2014 | 1996 Ford Crown Victoria

1 Answer

2004 Dodge Stratus 2.4 DOHC. Turns over, won't start. Was misfiring and barely running. Code showed P0300, P2302, P2305, P0700. Found Coil Pack had a burned spot near the #2 wire and large crack between #2...


Hey Brian, please don't loose your calm! You CAN fix it!.

Look for a timing belt with a skipped tooth.
Another possibility is that your sparkplugs are not properly gapped or their internal resistor got damaged. (A too large gap will make spark too hard to jump, which ended burning the hole you saw. A too large gap is very difficult to jump and places a tremendous effort on the coil and plug cables. Some times resistor type sparkplugs get the resistor damaged or open, at first, the open circuit can be jumped (inside the damaged plug body) easily, but as gap grows, it will cause an excessive voltaje to damage the coil or wires.


An engine starter that drains too much current means that it is damaged and possibly its bearings are too worn, which places a lot of friction on them, and the por electric motor then has to draw a lot of amperes to turn, draining the battery. Bad starter cable or ground connection causes a high voltaje drop to the starter motor, lowering the cranking speed, difficulting engine starting too.

Finally, a NO SPARK with no voltaje at coil primary means the DIS module that supplies current to the coil went bad, possibly because the too high voltaje leaked from the sparkplug end of the coil into the DIS module, damaging its internal semiconductors.

So, you need to FIX the sparkplugs, then cables, then check the coil, connectors, and, when everything on the High Voltaje side is perfectly OK and cannot damage any newly installed replacement parts, then you can go and check/replace the DIS module. Hopefully, the leaked high voltaje didn't damage the computer or Engine control module, as it is expensive. Best luck, Amclaussen.

Oct 04, 2013 | 2004 Dodge Stratus

2 Answers

Motor locked up


I will give you an answer first based on the motor being locked up, frozen, with starter attempting to engage flywheel and motor not turning. Check oil level as lack of oil would predict seized components. Some engines had problems with 2 matching components called cam phasers. These could stick and overadvance timing, resulting in compression bound motor.
Cylinders could be filled with either water or gasoline. Water present from leaking head gasket, gasoline from open fuel injectors.
Several things to try to access damage. Use breaker bar on crank pulley and see if engine can be turned either direction. Remove intake and sparkplugs to see if engine turns more freely or if visibly signs of failure on sparkplugs. These engines having 2 cams have difficult sparkplugs which require special care to remove.
Now if "Locked up" means the starter does not spin or make noise, then its a less severe problem. There is a Lock out switch under the dash on the brake pedal lever. When this switch is faulty, the Brake lights will not light. The vehicle needs this signal to complete the circuit to the starter solenoid. Just replace or reposition the brake lever switch.

Jun 18, 2013 | 2003 Lincoln Navigator

1 Answer

Can someone tell me how can I replace the spark plugs on Dodge Caravan 2005, from above?


Open the hood to access the engine compartment. Locate the sparkplugs sitting to the side of the motor. Six wires run to the motor, three on each side.

Twist the rubber boot and pull away from the sparkplugs. This will expose the sparkplug.

Unbolt the sparkplug with a socket wrench. Use a 5/8-inch deep-well socket attached to the socket wrench.

Pull the sparkplug away from the motor. Discard the sparkplug.

Screw the sparkplug into the motor by hand. Make sure it is hand-tight.

Tighten the sparkplug with the socket wrench, using the deep-well sparkplug socket.

Click the wire to the sparkplug wire to the end of the sparkplug. Gently pull the wire to ensure it clicks into place.

Repeat the procedure for the remaining five sparkplugs. Change each sparkplug one at a time.

Aug 24, 2010 | Dodge Grand Caravan Cars & Trucks

1 Answer

Engine misfiring.


most all v8's have the same firing order which is 1,8,4,3,6,5,7,2. sparkplug gap seems fine. with the engine off, bend the sparkplug wires between your fingers, if small cracks appear then replace them. number one sparkplug is located at the front driver side of the engine, front to back on this side are cylinders 2,4,6, and 8 respectively. turn the engine to the compression stroke on number one, pull the cap, the rotor points where number one will be.

May 11, 2017 | 1996 GMC Suburban

1 Answer

I can't find the location of the spark plugs on my 1997 Isuzu Rodeo LS with a V6 3.2L engine


They are underneath the coil that each cylinder has-you'll see 6 "coils"-three to side-on top of each valve cover. Remove the wire connector from the coil-remove two screws holding each coil to valve cover-carefully pull coil up away from valve cover. If it is stuck-slightly rotate coil back and forth to break it's hold on the spark plug. Use sparkplug socket and long extension to reach sparkplug down inside of valve cover. Driver's side of engine you will find one sparkplug difficult to get because of interference from brake system components. Use TWO short extensions coupled together to reach plug-when it becomes unscrewed from cyl head-lift it up-pull off one extension to clear obstruction-then pull the plug out from valve cover. (I bet you'll see some oil inside the hole where sparkplug was-(sparkplug may be wet with oil-there are seals that keep oil from leaking out of vavle cover). I DID NOT bother to replace the seals-my Rodeo is running just fine with 317,000 miles on her.

Apr 05, 2010 | 1997 Isuzu Rodeo

1 Answer

Sparkplugs need replaced


Here are some instructions:

1. open hood
2. disconect battery
3. remove sparkplugs cable
3. use a torque ranch to remove sparkplugs (turn to left)
4. replace with new sparkplugs
5. connect cables
6. connect battery

Start car and check for missfires

Good luck!!!

Dec 29, 2009 | 2000 Mitsubishi Montero Sport

1 Answer

Sparkplugs in 02 corolla.


Its located in the head and accessable through the top of the engine. Very easy too replace!! You must remove the plastic black cover, and you'll notice 4 blk ignition coils. Remove those!! And the sparkplugs will be at the bottom of those shafts. Make sure to use a sparkplug socket, otherwise it will be difficult to take them out of the shaft. Hopefully this helps!!

Jul 15, 2009 | 1989 Peugeot 405

1 Answer

Bogs down when taking off, then runs fine until i stop again.


it appeares that your vehicle has what we call a flat spot.if you changed the sparkplugs reasently the air gap setting might be incorrect.if not changed sparkplug can be worn replace.proper airgap setting 1.1mm

Jul 11, 2009 | 2001 Hyundai Sonata

1 Answer

97 Ford Probe GT not starting


WARNING: Risk of Electric Shock

Check your spark plugs and wires yourself. Remove one sparkplug at a time from the engine block, plug the wire back on, place the sparkplug on the engine or vehicle body so that the outer thread of the sparkplug would touch the body, or engine (GND) you can secure it with a cellotape or so. Turn the ignition key to the START position and when starter is spinning wach for high voltage sparks appearing between the body,engine or gasket and the tiny black end of the sparkplug called electrode. If there's a sparks, than it's fine, othervise try to get one working sparkplug and to retest this. If now it works then your sparkplugs needs to be replaced. Othervise check the resistance of the high voltage coil primary windings. this should be something between 0.2 and 10 ohms, when coil is disconnected from vehicles wiring. I just do nts remember the exact figure. If multimeter doesn't show anything, replace the coil, otherwise check if the supply current is flowing to the coil plug when IGN is ON. If it's fine then check the COM line at the same plug, using analog muldimeter is the easiest and not harmfull way to do this. If COM isn't comming You might need to go deeper into ECU, or even to replace it. If COM is fine then it would identfy that coil itself is faulty.

Update me about your progress

Good luck

Mar 20, 2009 | 1994 Ford Probe

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