FAQ: 2004 Acura Tsx Vtec Solenoid?

What are the symptoms of a bad VTEC solenoid?

Here are a few symptoms of a worn out or broken VVT solenoid.

  • Check Engine Light comes on. Since today’s modern cars are controlled by an Engine Control Unit (ECU), virtually all individual components are monitored by the ECU.
  • Engine oil is dirty.
  • Rough engine idle.
  • Decrease in fuel economy.

How much does it cost to replace a VTEC solenoid?

The average cost for a Honda Accord variable valve timing control solenoid replacement is between $444 and $490. Labor costs are estimated between $41 and $52 while parts are priced between $402 and $438.

Where is the VTEC solenoid located?

On the Honda Civic SI and the accord with the 2.3 L or 2.4 L four-cylinder Honda engines we find the VTEC solenoid on the left rear of the cylinder head. The VTEC solenoid housing also provides a threaded hole for the oil pressure switch and o-ring we speak of in the diagnosis section above.

Can you drive with a bad VVT solenoid?

Can You Drive with a Bad VVT Solenoid? Even though you may technically be able to continue driving with a bad VVT solenoid, the issue can cause damage to additional parts, such as the VVT actuator. So, you should address the issue as soon as possible.

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Why is my VTEC not working?

Oil Problems



Dented oil pans, cracked oil pickup tubes, insufficient oil, old or contaminated oil or thinned out oil can all cause your VTEC to fail.

At what RPM does VTEC kick in?

It engages anywhere between ~2300-3800 rpm, depending on conditions. And the engagement point will generally not be as noticeable as with DOHC VTEC engines. Thag, Generally, at higher rpm, it is more efficient to open the intake and exhaust valves for a longer time, thus the longer duration and different grinds.

What are the symptoms of a bad variable valve timing solenoid?

5 Symptoms of a Bad Variable Valve Timing (VVT) Solenoid

  • Check Engine Light.
  • Rough Idling.
  • Rough Acceleration.
  • Increased Fuel Consumption.
  • Low engine performance.

How much does it cost to replace a variable valve timing solenoid?

The average cost for variable valve timing control solenoid replacement is between $375 and $449. Labor costs are estimated between $178 and $224 while parts are priced between $198 and $225.

How do you change a variable timing solenoid?

Part 1 of 1: Replacing the variable valve timing solenoid

  1. Materials Needed.
  2. Step 1: Raise and secure hood.
  3. Step 2: Disconnect the battery.
  4. Step 3: Locating the variable valve timing solenoid.
  5. Step 4: Clear the area.
  6. Step 5: Locate the mounting bolts.
  7. Step 6: Remove the mounting bolts.
  8. Step 7: Disconnect solenoid.

Can VTEC solenoids go bad?

While a Honda VTEC solenoid rarely goes bad, problems with VTEC not engaging properly are extremely common. Most of the time incorrect wiring is to blame, but occasionally something even smaller is the culprit.

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How do I fix my VTEC system malfunction?

The most common cause for Error Code P1259 or VTEC system malfunction is low oil pressure. Thus, make sure you check your oil if it’s due for service. Change oil and filter if necessary. Clear the codes and then give it a try.

What is the VTEC solenoid?

The VTEC system provides the engine with valve timing optimized for both low and high RPM operations. At the switch point a solenoid is actuated that allows oil pressure from a spool valve to operate a locking pin which binds the high RPM rocker arm to the low RPM ones.

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