PCV Valve Replacement Los Angeles

Your Positive Crankcase Ventilation (PCV) valve is a small but critical part of your vehicle’s engine. It regulates crankcase gases and prevents harmful pressure buildup. When the PCV valve fails, you may notice rough idling, oil leaks, poor fuel economy, and increased emissions. Left unchecked, it can even cause long-term engine damage.


At JC’s Auto Repair Shop Los Angeles, we provide expert PCV valve inspection and replacement services for all makes and models. Our certified technicians ensure your engine breathes properly and runs at peak efficiency.


What You Get with Our Service


  • Complete PCV Valve & Hose Inspection
  • OEM-Quality PCV Valve Replacement
  • Crankcase Pressure Testing
  • Oil Leak & Sludge Prevention Check
  • Emissions System Verification
  • Same-Day Service & Fair Pricing


📞 Call 323-792-1777 or Book Your Service Online for fast, reliable PCV valve replacement in Los Angeles.

Contact Us

Expert PCV Valve Services in Los Angeles


Whether you drive a gas, diesel, or hybrid vehicle, our team will quickly diagnose PCV valve issues and restore proper function.


PCV Valve Diagnostics

We test crankcase pressure, inspect hoses, and identify clogged, stuck, or broken PCV valves.


PCV Valve Replacement

If your valve is faulty, we install a high-quality, OEM-spec replacement designed for your specific engine. This ensures proper airflow and long-term reliability.


Hose & Grommet Inspection

PCV valves often fail due to worn hoses or clogged passages. We check the entire system and replace damaged components if necessary.


Emissions & Engine Performance Check

After replacement, we reset fuel trims, verify smooth idle, and confirm your emissions system is functioning properly.

Other Services We Offer:

At JC's Auto Repair Shop, we understand the importance of comprehensive vehicle care. We offer a wide range of services to ensure your vehicle is running smoothly and safely. Here's a brief overview:

Signs You May Need PCV Valve Replacement


Watch for these common warning signs of a failing PCV valve:


  • Rough idle or stalling


  • Excessive oil consumption or oil leaks


  • Blue or black smoke from exhaust


  • Poor acceleration or sluggish performance


  • Reduced fuel economy


  • Check engine light (often codes P0171, P0174, or P0300)


  • Sludge buildup under oil cap


Ignoring these symptoms can lead to serious issues such as blown gaskets, clogged catalytic converters, or engine failure.


Why Choose JC’s for PCV Valve Replacement in Los Angeles?


We’re more than just a local auto repair shop — we’re trusted by LA drivers for precision diagnostics and honest repairs.


  • Experienced Technicians – Specialists in domestic, European, & Asian vehicles


  • Same-Day Service – Most PCV replacements done in under 1 hour


  • Advanced Diagnostics – Pinpoint problems accurately


  • OEM-Quality Parts – Reliable valves built to last


  • Upfront Quotes – Clear pricing with no surprises


  • Local Trust – Hundreds of satisfied Los Angeles customers


Book Your PCV Valve Replacement in Los Angeles Today


Don’t let a small valve cause big engine problems. Keep your car running smooth and efficient with a professional PCV valve replacement.

📞 Call 323-792-1777 or Contact Us Online to schedule your appointment today.

Testimonials: What Our Clients Say About Our Mechanics


At JC's Auto Repair Shop Los Angeles, our clients' experiences speak volumes about the quality of our auto repair services. We take pride in exceeding expectations and ensuring every customer leaves our shop with a smile. Here are some testimonials from satisfied clients who have experienced our expert care firsthand

I thought I had a good mechanic but John really showed up and showed out! Excellent work, detailed information and explanations, and he even helped me with some preventative maintenance to keep me from having to come back! Hes so helpful and nice, as well as the office assistant and the prices are very good. My dad sent me here and now i refuse to go anywhere else. Thanks John!


John did an amazing job on my breaks! I last minute called him after work and it was 5 minutes from me. He was able to take me the same day and finished within 20 minutes! He literally saved me, I will be going to him again. Very nice customer service as well.






A great mechanic! John helped get my car back on the road after my hybrid battery died in less than one week. He was very helpful, transparent, and fair with everything that needed to be fixed.








These testimonials are a testament to our commitment to excellence and customer satisfaction. We're dedicated to delivering top-notch auto care that keeps our clients happy and their vehicles in peak condition. Experience the difference with JC's Auto Repair Shop Los Angeles today!