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Reset spark plug indicator

Need to reset spark plug indicator, please help

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Reset spark plug indicator

Posted on Apr 01, 2014

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Posted on Apr 01, 2014

  • Marzena Ksiezyk
    Marzena Ksiezyk Apr 02, 2014

    yes it is a diesel. I got an answer that I need a scanner to get rid of it. Thank you anyway!



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Posted on Jan 02, 2017

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How reset spark plug indicator in VW golf sdi 1999?

You need a Scanner to reset the Spark Plug Light on your car, I have never found a way to clear the light on the VW without it. Volvo is the same way... It is a way for them to make money. On similar cars, there is a way of setting the Trip Counter to "A" and then Depressing the Button and Then turning the key. you can try that method but I do not think it will work.

Apr 01, 2014 | Volkswagen Golf Cars & Trucks


Engine Diagnosis Old Spark Plug Condition

Old spark plugs removed from your engine can tell a lot about the condition of the engine. Experienced mechanics can use this information to help diagnose several conditions simply by examining the state of the old plugs.

This tip is written as a useful guide to help diagnose engine problems and give a general indicator of the state of your engine. If you have ever wondered what you can tell from the condition of your old spark plugs please see the illustrations below.

As an example note that conditions such as over advanced ignition timing, lean fuel mixture or intake manifold leaks can often be determined from a plug that shows absence of deposits and a burnt or eroded electrode. However, sometimes this condition is caused by incorrect spark plugs having been fitted at some stage and in this case can be easily rectified by replacing the spark plugs with plugs that are in the correct heat range.

More serious conditions can be determined from oily deposits which indicate that oil is leaking past the valves guides or piston rings. In this case the mechanical fault will need to be rectified which will involve an engine strip down. These symptoms when seen on old spark plugs are a very significant diagnostic pointer as to how the engine has been performing up to this point and can help identify faults in the engine itself

The first picture in the illustration is of a healthy spark plug. Please follow through each of the images and you can compare your old spark plug against each of the images for a description of the engine problems that are associated with it.

Thanks for viewing my Tip.

Normal: Here we see a normal used plug which should be a brown to greyish color with only slight electrode wear. This plug has been operating correctly and is the in correct heat range for the vehicle.

Worn: On this plug you can see a rounded electrode. The normal colour deposits are seen but this plug has simply been in the vehicle too long.

Plug Run Too Hot. The symptoms here are a blistered white insulator with an eroded electrode and an absence of deposits.
Causes: Incorrect heat range plug used, over advanced ignition timing, lean fuel mixture, intake manifold vaccuum leak, sticking valves or insufficient engine cooling.

Carbon Deposits: Dry sooty deposits like this indicate either a rich fuel mixture or a weak ignition. This is a good indicator of a clogged air filter or a problem in the fuel or engine management system. Also check for ignition problems.

Preignition: Here we see melted electrodes. You will note the insulator is white. This is an indication of severe misfiring and overheating. Can be an indicator of severe engine damage. Causes: Check for over advanced ignition timing, lean fuel mixture, insufficient engine cooling and lack of lubrication in the engine. Also check correct heat range plug has been used.

Ash Deposits: Encrusting of light brown deposits observed on the electrodes. Causes: Oil or fuel additives - try changing the gas brand that you are using. Severe cases often indicate engine valve seal problems whereby oil is seeping into the combustion chambers.

High Speed Glazing: Insulator looks glazed and yellow. Condition is associated with sudden temperature rises from hard accelleration of the engine. Plugs in this condition can cause misfires at high speeds. These plugs will need to be changed and consider replacement with a colder temperature range plug.

Oil Deposits: Indicative of oil leaking past the valve guides or piston rings and fouling the plug. Vehicle will run badly. Engine will need stripdown and repair.

Detonation: Insulator appears cracked or chipped. May have resulted from poor gapping technique which has damaged insulator. Can lead to piston damage. Replace plugs and ensure fuel anti knock values are correct. Ensure plugs are carefully and correctly gapped.

Gap Bridging: In this case deposits can clearly be seen lodged between the electrodes. The plug will not fire and this results in a dead cylinder. Clean or replace the plug.

on Dec 12, 2009 | Toyota Corolla Cars & Trucks

1 Answer

I have n 2.0 fsi touran ,what is the spark plug gap on it? it,s heavy on feul! Please help. How to reset the sirvice light on the dasch. Thanks

2005 should use platinum tip spark plugs and pre-gapping is not required. need to find out why the service light is on before trying to reset it. spark plug replacement doesn't usually fix a high fuel consumption problem.

May 19, 2012 | 2005 Volkswagen Touran 1.6

1 Answer

I barely bought a dodge stratus 03 it wnt start please help

Car not starting or turning over indicates towards multiple possibilities. It can be issue with battery or weak battery. But if battery checks out ok, then it can be starter issue or faulty alternator or problem with low fuel pressure or no spark at spark plugs due to dirty spark plugs or faulty ignition coil or injectors getting cracked or dirty and needs to be cleaned.

To confirm the problem, the basic troubleshooting is required.

Click this link below and follow the troubleshooting:------


This will help.


Mar 03, 2012 | 2003 Dodge Stratus

1 Answer

Engine turning but car does not start.

Hi, it's either an electrical problem, or the fuel system.
Check the ignition system first. Start by removing the spark-plugs, get someone to turn the engine over on the starter, whilst you check for sparks at the plugs. It's always worthwhile to clean and reset the plugs at this time. Also check the appearance of the central insulator, if its a light greyish brown colour, then you fuel system is correctly set, thus unlikely to be the source of the problem. If, on the other hand its a sooty matt black colour, check your air-cleaner, this may be clogged and will need to be replaced. An oily, gloss black colour, usually indicates a worn engine, this will need to be overhauled or replaced.

Other possibilities that come to mind:

  • no gas in the tank or blocked fuel filter
  • bad or missing spark plugs and/or plug wires
  • engine timing
  • broken/slipping timing belt

Hope it helps.....

Jul 14, 2011 | 1999 Ford Taurus

1 Answer

Im sorry,its a 1997 ford 302 (1997 mercury mountaineer) codereader indicates 'no. 7 cylinder misfire'

remove the #7 spark plug if it does not look fouled start the vehicle with the plug still connected and look at the ground electrode for any spark it should be a white arc which indicates a high intensity spark if its orange/red it is a weak spark. If you get a poor spark try removing any other spark plug and test it on the #7 coil wire If you still get a poor spark then your plug wire or ignition coil is to blame and would need to be replaced. You can swap your plus wire to test it in the same way as well. hope this helps

Mar 05, 2011 | 1997 Mercury Mountaineer

3 Answers

Missfire in cylinder 2

I assume you know the problem is a misfire in #2 cylinder from checking the diagnostics code. Although these codes can be helpful in narrowing down a problem they lack specific details. In the case there are several possible items that could trigger the engine fault code P0302

These include:
  • Faulty spark plug or wire
  • Faulty coil (pack)
  • Faulty oxygen sensor(s)
  • Faulty fuel injector
  • Burned exhaust valve
  • Faulty catalytic converter(s)
  • Running out of fuel
  • Poor compression
  • Defective computer
Before you spend any money to resolve this you need to narrow this list down even more. Start by pulling the plug. Do a image web search on "spark plug diagnosis". This will give you pictures of plugs with a variety of problems to compare with yours and give you an indication whether or not the plugs need replacing. Next if possible switch #2 plug wire with another. Make sure you switch both ends (coil end and spark plug end) of the spark plug wire.
These are the no or low cost options. Beyond these you will need to start replacing items like the Ignition Coil and O2 sensor.
If you are still having the problem after checking and/or replacing the items listed above, your next step is a compression test on #2 cylinder.
If you get to this point please repost here with the results with the wires and plugs and I will give you the steps to follow with compression testing.
Hope this helps.

Oct 14, 2009 | 2001 Ford Ranger Regular Cab

1 Answer

Im looking for the spark plugs in my 2008 doge avenger and i cant find them i will like to change them my self

The Spark plugs in your Avenger is good for 100,000 miles and you should not need to replace them unless there is a problem, which would be indicated by the Mill light on the dash. If you must, you can pick up the spark plugs at Auto Zone and they can give you the step by step instructions to replacing the spark plugs with common tools. Good luck. Note: It's common for the doge tech to reset the engine when doing a tune up to prevent any misfire that occur when new plugs are installed. 

Jul 16, 2009 | 2008 Dodge Avenger

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