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How to Avoid Premature Failure of a Fuel Pressure Regulator in A Volkswagen

How to Avoid Premature Failure of a Fuel Pressure Regulator in A Volkswagen

Volkswagens are very popular for their affordability while still being high-quality, reliable vehicles. There are many accounts of owners reaching the fabled heights of half a million or more miles. This does not happen by accident. If you take care of your car, it will take care of you. One issue that does come up is failure of the fuel pressure regulator. Although common in all cars, an issue with this component is dangerous because it can be difficult to spot on your own.

How does the fuel system work in your vehicle?

Every car has a fuel pressure regulator, and it does exactly what the name sounds like. To run properly, the engine must receive the correct ratio of air to gasolene in the combustion chamber. The regulator ensures that mix stays correct as driving conditions change.

While driving, demands in performance fluctuate, such as when driving uphill or accelerating quickly. The regulator operates a diaphragm to adjust the amount of gas being fed to the fuel injectors. Keeping this process operating correctly is critical because moving the correct amount of gas into the engine also saves wear and tear on the fuel injectors themselves.

Cars have many moving parts, and it is not uncommon for some to break down faster than others. This is especially true of such an intricate part involving separate diaphragms, gaskets, and hoses. In this case, if the regulator begins to malfunction or leak it will quickly lead to decreased performance and can cause additional damage to surrounding parts.

It is important to recognize these signs and bring your vehicle to a professional before further damage occurs costing you more time and money.

Signs of a Faulty Fuel Pressure Regulator

There are a few early signs that your fuel pressure regulator may be starting to fail. The earlier an issue is identified, the lower your risk of sustaining further damage to the rest of your vehicle. Some common symptoms include:

  • Decrease in power, acceleration, and fuel efficiency: Engine performance problems are often an early warning sign that the fuel pressure regulator is not operating properly. If the regulator is failing, it will cause the incorrect ratio of air-to-fuel to be pumped into the engine, dramatically reducing performance. This can also be observed in a drop in fuel efficiency or engine misfires.
  • Black smoke in the exhaust: If the incorrect ratio of fuel-to-air is going through your engine, it can result in the very clear problem of black smoke coming out of your exhaust system. This same symptom can be the result of a number of mechanical issues, so even if your fuel pressure regulator is good, it is important to bring in your vehicle for diagnostics.
  • Internal fuel leaks: If the regulator is damaged, it can cause fuel leakage inside the engine. This is obviously a safety hazard and should be addressed right away. Once again this problem may be identified due to overall decreased performance, but it also may be identified by a noticeable fuel smell away from the gas tank

Complete Automotive Systems is Here for Your Volkswagen

Ideally, during routine maintenance and inspection, issues will be found far before it is a problem. With a drop in performance being just the Volkswagen Fuel Pressure Regulator Inspection first sign of a potential problem, the good news is that this regular maintenance can easily stem the issue by spotting these small problems before they become big ones. Bringing your Volkswagen to a certified mechanic will ensure fuel pressure is correct and there are no leaks damaging your vehicle.

Here at Complete Automotive Systems of Los Angeles, we have you covered to make sure your Volkswagen keeps running smoothly for years to come. We specialize in European makes and are focused on the specific and unique needs these brands have. Your vehicle will be worked on by expert mechanics accredited by the National Institute for Automotive Service Excellence, as well as being both a Bosch and Better Business Bureau certified service center.

Stop by one of our four convenient locations in the Los Angeles area to speak with a certified technician today and keep your car in top condition.

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