NAIROBI, 4 February 2008 (IRIN) - Theattack on Kajo Keji county in Southern Sudan by suspected rebels of theLord's Resistance Army (LRA) could spark an exodus of civilians from thearea unless immediate steps are taken to aid those affected, an assessmentteam has warned.
The attack on 30 January was carriedout by hundreds of suspected LRA fighters who abducted 40 people, includingchildren. Four people died, according to the assessment team comprisingSouthern Sudan government officials, the diocese of Kajo Keji and the DanishRefugee Council.
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"The entire population is filledwith panic and helplessness," the team noted. "They have lostall basic possessions such as household utensils, beddings, clothing. Peoplecongregate together for fear and lack of protection. Many express intentionsto cross to neighbouring counties."
Describing the attack as a disaster,the assessment team warned that it could interrupt repatriation programmesof returnees and internally displaced persons, affect the upcoming census,hurt confidence in government protection and progress in various ongoingprojects, and lead to post-war trauma.
It called for the immediate deploymentof armed forces and urged the Southern Sudanese government and the internationalcommunity to pressure Uganda and the LRA to reach an immediate settlementto their conflict.
"Reports by the freed abducteesindicate the rebels are between 300 and 500 armed men and women,"the report said. "The weapons seen include PKM machinegun and AK47Klan scope machineguns. The main languages spoken by the rebels were Luoand simple Arabic."
A Ugandan army spokesman warned the rebelsover the attack. "If it is true that the LRA were involved, it willreflect badly on them," Chris Magezi, spokesman for the Ugandan governmentdelegation at talks with the LRA told IRIN. "They are not supposedto be there, but in Ri-Kwangba", a designated assembly point for therebels, on the border with the Democratic Republic of Congo.
As part of the talks process, the LRAagreed in April 2007 to assemble their troops in Ri-Kwangba, which entailedmoving their units from northern Uganda, and from east of the Nile in SouthernSudan, to the Sudan-DRC border. Ugandan officials said this has not happened.
"The people back in the villagecalled to report the deaths of my relatives, and they told me the LRA attackedthe village," James Soro Philip, who hails from Nyepo but lives inthe US, told IRIN. "My two younger brothers were killed."
In cars that are started with push-to-start buttons, the ignition system is still connected to the spark plugs to start the engine upon pressing the button.
Like most car parts, spark plugs reach a time when they have aged and need replacement. However, this aging is not an abrupt event, it takes a while and gives off tell-tale signs that they are due for replacement such as:
Delay to start the engine
A fully functional spark plug ought to fire up the engine immediately as you turn the key in the ignition switch. However, when your plugs are beginning to give way, you will notice that at times you have to hold the key in the start engine position, as though you are forcing the engine to start.
According to Alex Kadoli, a mechanic at Bunga, when you find yourself in such a position, which in mechanical terms is also referred to as a hard start, it could be a pointer that your spark plugs are worn out and can no longer start the engine. Sometimes the car will completely fail to start until the spark plugs have been replaced.
Slow car acceleration
Often, when your spark plugs are worn out, you will have a situation where you accelerate and the vehicle does not respond accordingly. Kadoli explains that when the spark plugs are worn out, it means they are unable to produce enough firepower to allow air effectively mix with fuel (air to fuel mixture) for the car to pick up speed when you step on the accelerator.
Black exhaust smoke
Peter Amadi, a mechanic at Dalas Auto Limited, explains that under normal circumstances when your spark plugs are functioning normally, the colour from your exhaust pipe ought to be clear, but not thick black. This is an aspect that takes place across all car brands regardless of whether your car runs on diesel or petrol.
Poor fuel economy
When a spark plug works correctly, it helps burn fuel efficiently in the combustion cycle. When this occurs, your car can achieve better than average fuel economy. When the plug is not functioning optimally, it is frequently due to the fact that the gap between the spark plug electrodes is either too close or too far apart.
Many mechanics will take out spark plugs, examine them, and adjust the gap to factory settings as opposed to replacing the spark plug entirely. If your vehicle has a reduction in fuel economy, it could be attributed to a worn out spark plug.
Engine misfiring
If the engine misfires, it is typically due to an issue in the ignition system. Often, in modern cars misfiring is due to a sensor malfunction. However, it may also be caused by a spark plug wire or the tip of the spark plug that connects to the wire being damaged. An engine misfire can be noticed by intermittent stumbling or sputtering sounds from the engine.
Care and service for spark plugs
Like windscreen wiper blades, spark plugs cannot be serviced but rather replaced overt ime. This is normally after you have used them for approximately 5000 kilometers. However, Amadi notes that there are certain types of spark plugs that can serve you for approximately 20,000 kilometres. When they fail and have served you for this mileage, there is no way out or shortcut except replacement.
When to replace spark plugs
The first sign that you might be due for a new set of spark plugs is a decline in fuel economy. Good fuel economy is all about efficient engine operation, and weak spark plugs hinder efficiency.
As spark plugs get tired they could start to intermittently misfire. Intermittent misfires usually happen more frequently when the engine is under a load. The most common time for this to happen is during light acceleration at highway speed.
If you notice that your engine is misfiring, stumbling, or jerking while idling, this might be a sign that your spark plugs are worn out. Your engine relies on a smooth and consistent flow of power from the spark plugs. As these plugs become worn and damaged, they can no longer provide the proper spark to ignite the fuel consistently, leading to trouble with the engine.
If your car is taking longer than usual to accelerate, this might be an indication that your spark plugs are malfunctioning. This is especially true if the acceleration problem is accompanied by signs of rough idling. A worn-out spark plug may not be able to provide enough energy to keep your vehicle running as smoothly as it should.
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