Vehicle emissions inspection history texas,where to get free vin check,vin lookup for chrysler - New On 2016

14.01.2014
As a car, truck, or motorcycle owner in Virginia, getting a VA vehicle safety inspection each year not only ensures proper maintenance and makes driving safer for you and others, it is also required by law. Motor vehicles registered in Virginia are required by law to pass a vehicle safety inspection annually.
The Commonwealth of Virginia requires state safety inspections annually to ensure that cars driven on its roads meet certain safety standards, a precaution that reduces accidents and related injuries.
Certain municipalities within Virginia may also require an inspection of your vehicle’s emissions system. Safety inspections are offered by most car dealerships with service operations as well as most independent auto repair shops. If your car does not pass its annual VA state safety inspection, and you fail to make the required repairs, the inspector will place a rejection sticker on your front windshield that is valid for fifteen (15) days. If your vehicle fails inspection, you may take it to another inspection station, but the new station must conduct a complete safety inspection (and charge you the associated fee), not simply an inspection of the failed parts. Owners that drive their vehicles with an expired or failed VA state safety inspection sticker may be pulled over by the police and ticketed, which could lead to a fine and be posted to your driving record. If the vehicle is registered as an antique through the Department of Motor Vehicles, it is exempt from VA state safety inspection requirements.
As a result of the less stringent safety requirements, however, the DMV places certain use restrictions on vehicles registered as antiques. A CARFAX® Vehicle History Report (VHR) provides the most trusted vehicle history information. Then came the Clean Air Act of 1970, followed by new emissions regulations and the introduction of catalytic converters in 1975. In the mid-1980s, spark plug manufacturers started making plugs with copper core center electrodes. The biggest improvement in spark plug technology, though, came in 1985 when the first generation "long life" plugs with platinum or gold-palladium electrodes hit the market. Every time a spark plug fires, the hot spark blasts a few molecules of metal off the electrodes.
With platinum, gold-palladium and iridium (more on this in a minute), electrode wear is greatly reduced. Long-life spark plugs drastically reduce the need for maintenance while helping the engine maintain like-new performance and emissions.
Bosch, who introduced the first platinum plug back in 1985, offers several different electrode configurations in their product line.
In the fall of 2006, Bosch introduced yet another long-life spark plug called Platinum IR Fusion. One important point to keep in mind with respect to Bosch Platinum IR Fusion, Platinum+4 and Platinum+2 plugs is that these plugs are pre-gapped at the factory to a uniform 1.6 mm setting and should not be re-gapped to the specifications for a standard spark plug.
Although platinum spark plugs have many performance advantages over conventional spark plugs, iridium spark plugs offer even more advantages. Iridium has a melting point of 4370 degrees F (2410 degrees C), which is almost 1,200 degrees higher than platinum.
NGK "Iridium IX" and Denso brand "Iridium Power" plugs ae used as original equipment in many Asian vehicles. For performance applications, Denso has also developed Iridium Power plugs with a super narrow 0.4 mm center electrode.
The use of iridium spark plugs as original equipment in late model vehicles has grown considerably in recent years due to its performance and cost advantages. Spark plug manufacturers tout the advantages of their unique electrode designs, but regardless of the design, the purpose is to make it as easy as possible for the plug to fire reliably.
One thing to keep in mind with respect to performance claims is that no spark plug creates horsepower out of thin air. The temperature of the electrodes is controlled by the length of the ceramic insulator that surrounds the center electrode and the design of the electrode itself. A spark plug's "heat range" (heat rating), depends on the length of the ceramic insulator and the design of the center electrode. The voltage required to produce a spark can range from as little as 5,000 volts to as much as 30,000 volts or higher.
A cylinder may misfire if the spark never reaches the plug due to excessive resistance or breaks in the insulation in the plug wires, or a buildup of oxide, cracks or an excessively wide air gap inside a distributor cap. On 1996 and newer vehicles with OBD II, ignition misfire will usually set a fault code and turn on the Check Engine light. As a rule, replacement spark plugs should have the same or better service interval as the original plugs.
Long-life platinum and iridium spark plugs cost more than standard spark plugs but are an excellent upgrade for engines that were not originally equipped with these types of plugs. If your engine has been fouling spark plugs, the plugs that you are using may be too cold for your kind of driving.
For performance applications, switching to a slightly cooler spark plug can reduce the risk of pre-ignition and detonation at high rpm and loads. Selecting the proper spark plugs for a performance engine can mean the difference between front of the pack and not finishing the race.


The main factors to consider in selecting the proper heat range are: type of race, methanol, specific output, nitro-meth, compression ratio, nitrous oxide, horsepower, super or turbo charging and racing fuel.
Before you install any spark plug, compare the old and new plugs to make sure the replacement spark plugs have the same thread diameter, pitch (SAE or metric), thread length and seat configuration as the original plugs.
On engines with aluminum heads, let the engine cool before you attempt to loosen and remove the plugs. Always inspect the old spark plugs after they have been removed and note any conditions that would indicate a cylinder is running rich, lean or is burning oil. Spark plug wires should also be inspected - and replaced if the insulation is damaged, if resistance exceeds factory specifications or the boots are loose.
Spark plugs come pregapped from the factory, but because of parts consolidation the factory gap may not always the specified gap for your engine.
On Bosch Platinum+4 and Platinum2 spark plugs, DO NOT change the factory electrode gap regardless of what the gap specification is for your engine.
How much the spark plugs should be tightened depends on the size of the plugs and the type of plug seat. As a consignment store for cars, CarLotz sells thousands of sale-by-owner vehicles each year that all pass a VA state safety inspection, so we thought it would be helpful to provide car owners answers to some frequently asked questions that will provide a better understanding of the process.
When a vehicle passes a VA state safety inspection, the inspection station will place a safety inspection sticker on the windshield showing month and year in which the inspection will expire. A full list of the Virginia Motor Vehicle Safety Inspection Rules and Regulations may be found in Chapter 70 of the Virginia Administrative Code.
The Virginia Safety Division of the state police estimates that there are 4,200 licensed inspection stations throughout the state.
Certain dealerships and repair shops offer free or discounted VA state safety inspections for promotional and customer service purposes. You must have the necessary repairs completed and have your vehicle re-inspected within that time frame. For example, a vehicle with antique plates is restricted from being used as your daily driver. You can view the Vehicle History Report of each Certified vehicle in our inventory at no charge2. In 1902, spark plugs were first used with a high voltage magneto to provide reliable ignition. Leaded gasoline was gradually phased out because of its damaging effects on converters as well as the environment. Copper is an excellent conductor of heat and allows plugs to run hotter without causing preignition.
As the miles add up, the electrode gap widens and the center electrode becomes rounded and dull. Not having to change the plugs so often is a real savings for the vehicle owner, but it's no guarantee the plugs will go the distance. With a couple of exceptions, the platinum plugs use a conventional electrode configuration with a small platinum plug welded to the tip of one or both electrodes.
Their standard platinum plug has a thin pure platinum center electrode with a single yttrium-alloy end electrode.
It's very difficult to get even spacing with multiple electrodes so install them without changing the electrode gaps.
On first generation Denso iridium plugs, the end electrode has a "U-Groove" that improves ignition reliability and wear resistance. These plugs are engineered to improve ignition reliability under extreme driving conditions. A special electrode configuration can reduce misfiring and the voltage needed to fire the plugs. The Ford Triton engines use long-reach 10 mm plugs from Autolite, which are 4 mm skinnier than the 14 mm plugs you're used to seeing in most late-model engines.
It's actually a standard spark plug with platinum tipped electrodes, but with a special titanium coating on the shell that resists seizing to reduce the risk of thread damage when changing plugs in aluminum cylinder heads. The trick here is to keep the electrodes hot enough to burn off fouling deposits but not so hot that they cause preignition.
Ceramics do not conduct heat very well, so an insulator with a relatively long nose will conduct heat away from the electrode more slowly than one with a relatively short nose.
The heat range must be carefully matched to the engine application otherwise the plugs may experience fouling problems at idle or run too hot under load causing preignition and detonation. A weak coil or a faulty ignition module that doesn't give the coil enough time to fully charge between firings also can reduce the available firing voltage to the point where the spark may be too weak to jump the electrode gap. A buildup of fuel and oil residue or other contaminants on or around the plug's electrodes can short out the spark before it reaches the gap.
Fuel that isn't burned causes a huge increase in hydrocarbon emissions and will usually cause a vehicle to fail an emissions test. When using this guide, understand that race plugs are usually of a much colder heat range rating than standard automotive spark plugs. Thread diameter and pitch, thread length and shell seat, as well as hex size are all factors that will define what shell type works best for your engine.


Correct heat range is critical in maintaining peak performance throughout the duration of your race or event. If your vehicle fails inspection, you will be responsible for the cost of any required repairs. For the next 70 years, spark plugs were a high maintenance item thanks to tetraethyl lead, which was used as an octane-boosting additive in gasoline. ACDelco also offers a platinum version of its "Rapidfire" plug that features a fluted center electrode for improved ignition reliability. Their Platinum+2 and Platinum+4 plugs, on the other hand, have a unique "surface gap" side electrode design with two side electrodes on the Platinum+2 plug and four on the Platinum+4 - a sort of good, better, best approach to platinum plug technology. Denso says their design reduces the required firing voltage up to 5,000 volts compared to a standard spark plug.
So the more sharp edges it has to jump to, the better the odds of the plug firing under all types of driving conditions.
To burn off carbon deposits, the center electrode needs to reach about 700 degrees F quickly. The longer the path between the electrode and the surrounding plug shell, the slower the rate of cooling and the hotter the plug.
Most plugs today have a relatively broad heat range thanks to the copper core center electrode described earlier. The wider the electrode gap and the greater the load on the engine, the more voltage it takes to fire the spark plugs. Of course, worn or dirty spark plugs also can make an engine hard to start, idle roughly, lack smoothness, waste fuel and pollute, too. Contaminants also can form a barrier that blocks the gap or requires more voltage to punch through than the ignition system can deliver. Colder spark plugs must be used in engines with increased cylinder pressures, higher temperatures and greater horsepower. Switching to a colder or hotter plug will not increase horsepower, but could affect engine performance.
Eventually the point is reached where the ignition system can't generate enough juice to jump the gap, causing the plug to misfire.
Plugs with platinum or iridium on both electrodes ("double" platinum plugs or double iridium plugs) experience even less wear than plugs with only a single platinum or platinum-tipped electrode. Likewise, Split-Fire offers a platinum version of its split electrode plugs for motorists who want extended life as well as reduced misfiring. Increasing the number of side electrodes gives the spark more paths to ground and reduces the risk of misfire, while extending plug life by spreading wear over more electrode surfaces. If there are any power gains to be had, they will be the result of reduced misfires and nothing else. But if it gets too hot (above -1,500 degrees F depending on the plug design), it may ignite the fuel before the spark occurs, causing preignition and detonation.
This allows the plugs to reach a self-cleaning temperature quickly and also prevents them from overheating. Likewise, the higher the resistance in the spark plugs and plug wires, the higher the required firing voltage. The contaminants come from fuel additives as well as oil that gets past the rings and valve guide seals.
So if you find a cylinder-specific misfire code such as P0302 (indicating cylinder #2), check the spark plug, plug wire, coil (if it's a DIS or coil-on-plug system), fuel injector and compression to isolate the cause.
Other factors such as fuel delivery (turbo, supercharged), fuel types and piston-to-head clearance will also affect proper plug selection.
By combining platinum and iridium in the center electrode, Bosch says their Platinum IR fusion plug provides even longer service life (probably the longest of any spark plug that is currently available). One is an unusual "U" shaped end electrode that wraps all the way over the end of the plug. On the other hand, if you find a random misfire code (P0300), the problem probably is not the ignition system.
Connecting both ends of the electrode to the plug shell creates two paths for heat to flow away from the tip.
But be aware of piston clearance that could prohibit projected spark plugs from being used. In the center of the "U" is a small platinum pad to reduce electrode wear when the plug fires.
The center electrode is also platinum tipped and has a copper core to help pull heat away from the tip.



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