Engine Maintenance in Riverside, CA

Your engine is the heart of your vehicle — keeping it maintained means better performance, longer life, and fewer costly repairs.At LPZ Auto Repair, our certified technicians provide complete engine maintenance and diagnostics for all makes and models. We help you protect your investment and keep your car running smoothly year-round.

📞 Call 951-289-9442 or stop by our shop in Riverside, CA for expert engine care.

Complete Engine Maintenance Services We Offer

Diesel Engine Service

Diesel engines are known for their durability but still require routine maintenance. Our diesel services include:

• Oil & filter changes

• Air and fuel filter replacements

• Fuel system bleeding

• Water separator draining

• Urea (DEF) refilling

Trust LPZ Auto Repair to keep your diesel engine performing at its best and lasting for years to come.

Fuel Injection Cleaning & Maintenance

A properly maintained fuel injection system ensures clean fuel delivery and optimal combustion. Clogged or failing injectors can cause poor performance, reduced fuel economy, and even engine damage.We inspect, clean, and service fuel injectors to keep your engine efficient and powerful.

Ignition System Repair

Your ignition system ensures smooth engine starts and optimal performance. We inspect ignition coils, modules, and sensors to make sure everything is firing properly — keeping your car reliable in all conditions.

Ignition Wires & Cables

Worn or damaged spark plug wires can cause misfires, vibration, or poor gas mileage. Our technicians test and replace old ignition cables with quality parts to restore consistent ignition performance.

Spark Plug Replacement

Old or fouled spark plugs can reduce engine power and increase fuel consumption. We inspect and replace your spark plugs using parts that meet or exceed manufacturer standards — restoring efficiency and smooth acceleration.

Oil, Lube & Filter Change

Regular oil changes are the simplest and most effective way to protect your engine. Clean oil lubricates, cools, and cleans internal components, reducing wear and extending engine life.We recommend changing your oil every 3,000 miles or 3 months for the best protection.

Check Engine Light Diagnostics

If your Check Engine Light is on, don’t ignore it. Our diagnostic tools quickly identify the cause — from a loose gas cap to a failing sensor or catalytic converter.We explain the issue clearly and provide honest repair options to get you safely back on the road.

Schedule Your Engine Service Today

Whether you need a simple oil change or a full diagnostic inspection, LPZ Auto Repair is your trusted choice for engine maintenance in Riverside, CA.📞 Call: 1-714-809-3026 | 1-951-289-9442📍 Visit: 2692 Main St, Riverside, CA 92501🕒 Hours: Mon–Fri 8:30 am–5:30 pm | Sat 8:30 am–1:30 pm💳 We accept cash, debit, and all major credit cards