Mitsubishi Precis Ignition Ballast Resistor Costs

The average cost for a Mitsubishi Precis Ignition Ballast Resistor Replacement is between $42 - $78. Get an instant quote with our AI repair estimator.

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What is an ignition ballast resistor?

An ignition ballast resistor is an essential component found in older vehicle ignition systems. This device is used to regulate the current flowing to the ignition coil, ensuring that the coil receives the correct voltage. Typically, the ballast resistor reduces the voltage from the battery to a level that prevents the ignition coil from overheating or being damaged by excessive electrical current. During the engine start-up, the ballast resistor is often bypassed to allow full voltage to reach the ignition coil for a stronger spark, aiding in quick ignition. Once the engine is running, the ballast resistor comes into play, maintaining optimal voltage levels.

Symptoms of a faulty ignition ballast resistor

When an ignition ballast resistor begins to fail, various symptoms may arise, which can affect the performance and reliability of the vehicle. One common symptom is difficulty starting the engine, particularly when the engine is cold. This is because the ballast resistor might not properly bypass during start-up, restricting the voltage needed for a sufficient spark. You might also notice the engine misfiring or running rough, as inconsistent voltage can lead to erratic spark delivery to the spark plugs. Another symptom could be the engine stalling after initially starting smoothly; this happens when the resistor fails to reduce the voltage properly once the engine is warmed up. Additionally, a burnt smell or visible damage to the resistor itself can indicate the need for repair or replacement.

How urgent is ignition ballast resistor replacement?

Replacing a faulty ignition ballast resistor is relatively urgent, as it directly affects the vehicle's ability to start and run smoothly. Ignoring the issues associated with a malfunctioning resistor can lead to worsening engine performance, increased fuel consumption, and the potential for more extensive damage to the ignition system. It is advisable to address any symptoms of a failing ballast resistor promptly to avoid being stranded or unexpectedly stalled on the road.

How much does ignition ballast resistor replacement cost?

The cost of replacing an ignition ballast resistor is generally quite affordable. You can expect to pay between $20 and $100 for the part itself, depending on the vehicle make and model. Labor costs will vary based on your location and the specific garage, but typically, this repair is not labor-intensive and can be completed quickly, keeping labor fees to a minimum. Overall, it's a cost-effective repair, especially given the important role this small component plays in your vehicle's ignition system.

5 FAQs about ignition ballast resistors

Why is a ballast resistor necessary?
A ballast resistor is necessary to regulate the voltage supplied to the ignition coil. It prevents the coil from receiving too much voltage, which can cause overheating and damage. By controlling the current, it ensures optimal performance of the ignition system.
Can I bypass a faulty ballast resistor?
While bypassing a ballast resistor temporarily can help diagnose the problem, it is not recommended as a permanent solution. Running the ignition system without a resistor can cause damage to the ignition coil and reduce the lifespan of other ignition components.
Will a faulty ballast resistor affect fuel economy?
Yes, a malfunctioning ballast resistor can lead to poor engine performance, resulting in increased fuel consumption. The inconsistent voltage leads to inefficient combustion, subsequently affecting overall fuel economy.
Is it easy to replace an ignition ballast resistor myself?
Replacing a ballast resistor is a relatively straightforward task if you have basic automotive repair skills. It typically involves disconnecting the battery, removing the old resistor, and installing the new one. Always refer to the vehicle's service manual for specific instructions.
What happens if I ignore a failing ballast resistor?
Ignoring a failed ballast resistor can lead to more serious ignition problems, including the inability to start the engine or unexpected stalling. This can result in inconvenience and the need for more costly repairs if left unaddressed.

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1989 Mitsubishi Precis L4-1468cc 1.5L SOHC - Ignition Ballast Resistor Costs
Parts: $17.00
Labor: $42.00
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