Top Dead Center (TDC) Replacement at your home or office.

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How much does Top Dead Center (TDC) Sensor Replacement cost?

It depends on the type of car you drive and the auto repair shop you go to. Our mechanics are mobile, which means they don't have the overhead that repair shops have. They provide you convenience by coming to your home or office.

YourMechanic Price
$120 to $296
Labor: $70 - $200
Parts: $50 - $96
Average dealer price
$194 to $425
Average shop price
$146 to $328
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Our mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing
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ServiceYourMechanic PriceShop/Dealer Price
Top Dead Center (TDC) Sensor Replacement for 2001 Jaguar XJ8 V8-4.0LYourMechanic Price$124.46Shop/Dealer Price$174.38 - $242.45
Top Dead Center (TDC) Sensor Replacement for 2002 Honda Civic L4-1.7LYourMechanic Price$276.86Shop/Dealer Price$338.79 - $442.54
Show example Top Dead Center (TDC) Sensor Replacement prices

Top Dead Center (TDC) Sensor Replacement Service & Cost

What is the Top Dead Center (TDC) Sensor all about?

Every engine, whether a single cylinder engine or a V8 engine, has top dead center. This position is a reference point for engine timing and indicates when a spark plug should fire, igniting the fuel the cylinder’s combustion chamber. Top dead center is when the piston is at the very top of its compression stroke. At this position, the intake and exhaust valves in the cylinder head are closed and the air-fuel mixture is compressed in the cylinder. The TDC sensor monitors a reference point on the camshaft that indicates where top dead center is on a cylinder, usually cylinder number one. It sends a signal to the engine control module which, in turn, communicates to send a spark to the cylinder at top dead center. The spark ignites the fuel and the power stroke begins as the piston is forced downward. The TDC sensor is an electrical component and is prone to failure due to corrosion, cracking, or wearing out. If that occurs, the engine control module may not receive a correctly timed signal and the spark may be sent to the wrong cylinder at the wrong timing, causing your engine to run rough or not run at all.

Keep in mind:

  • The top dead center (TDC) sensor is integral to the proper timing of your vehicle. If it is installed incorrectly, your vehicle will not run or run very poorly.

How it's done:

  • The vehicle battery is disconnected
  • The defective top dead center sensor is removed
  • The new top dead center sensor is installed
  • The battery is connected and the engine is scanned and cleared of codes
  • The repair is verified and the vehicle is road tested for proper operation

Our recommendation:

If your car’s Check Engine light turns on, or if the engine will not run or runs poorly, have one of our expert mechanics inspect the problem and replace the TDC sensor if required.

What common symptoms indicate you may need to replace the Top Dead Center (TDC) Sensor?

  • Engine will not fire or run
  • Engine runs poorly and misfires
  • Check Engine light is on
  • Backfiring is heard from the exhaust

How important is this service?

Since the TDC sensor is integral to a running engine, it is important to address the operating issues associated with it as soon as possible. Other than a possible stalling condition, there are no associated safety concerns with the TDC.

Fast and easy Top Dead Center (TDC) Sensor Replacement service at your home or office.

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586 reviews
Joshua
22 years of experience
best!!!
2007 FORD FUSION - NOISE FROM ENGINE OR EXHAUST INSPECTION
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65 reviews
Anthony
31 years of experience
Anthony was friendly and he showed up on-time and got the job in a timely manner!!
2001 FORD ESCAPE - CAR THERMOSTAT REPLACEMENT
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6 reviews
Julio
11 years of experience
Great!
2007 FORD F-150 - OIL CHANGE
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3 reviews
Jan
13 years of experience
Showed up on time. Communication was efficient and courteous. Would welcome him for future auto needs.
2000 TOYOTA CAMRY - CAR RADIATOR REPLACEMENT
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Get an instant quote for your car
Our mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing
Get a quote
ServiceYourMechanic PriceShop/Dealer Price
Top Dead Center (TDC) Sensor Replacement for 2001 Jaguar XJ8 V8-4.0LYourMechanic Price$124.46Shop/Dealer Price$174.38 - $242.45
Top Dead Center (TDC) Sensor Replacement for 2002 Honda Civic L4-1.7LYourMechanic Price$276.86Shop/Dealer Price$338.79 - $442.54
Show example Top Dead Center (TDC) Sensor Replacement prices

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