
Common Engine Problems
- Faulty spark plugs and wires.
- Failing oxygen sensor.
- Mass air flow sensor failing.
- Exhaust gas valve is bad.
- Loose gas cap.
- Bad ignition coil.
- Battery is dying.
- Worn catalytic converter.
- Faulty vacuum hose.
If, for some reason, we find that your car’s engine needs more than repairs, our engine replacement services will be offered. Although auto engine replacement services are more expensive, Twin Peaks Auto Repair in Longmont offers engine replacements that are fair in price. The appropriate next step depends on the diagnostic findings, vehicle condition and the work available for that vehicle. Discuss the options and expected scope with the shop before deciding on major engine work.
At Twin Peaks Auto Repair, our professional engine replacement services entail:
- Removing/securing all electrical connections.

- Disconnecting external engine pumps/components.
- Separating transmission from engine.
- Detaching motor mounts.
- Lifting engine out of vehicle.
- Installing replacement engine.
- Reconnecting electrical.
- Reconnecting pumps/external components.
- Performing engine break.
- Inspecting engine for leaks/errors.
This is just a brief overview of what can be expected with our engine replacement services at Twin Peaks Auto Repair. Once we replace your engine, we will provide you with detailed information about the process and a service schedule for your new motor. If you would like more information about engine replacement, we are happy to answer any questions.
Planning Engine Concerns Service in Longmont
A warning light or performance change does not establish that major engine work is needed. Start with diagnosis and discuss the appropriate service scope with the shop. See our vehicle diagnostics information for related concerns.
Engine Concerns FAQs
Does a check engine light mean I need a replacement engine?
No. Many different systems can trigger the warning. A diagnostic assessment is needed to establish the cause and appropriate next steps before considering major engine work.
What information should I provide about an engine concern?
Describe the warning lights, noises or changes in performance, when they occur and any recent repairs. Vehicle details and maintenance history can help the shop understand the concern.
Can I get an engine repair estimate from the warning light alone?
A warning light alone does not establish the repair scope or price. Contact Twin Peaks Auto Repair to discuss the symptoms and confirm the appropriate diagnostic service for your vehicle.
Request Engine Concerns Service
Request an appointment online or contact Twin Peaks Auto Repair with your vehicle details and concerns. Our team will follow up to confirm availability.

