If your check engine light is on or your vehicle failed an emissions test, HarrisBoyz in Iowa City, IA provides complete emissions repair and diagnostics. We service all makes and models and use advanced scan tools to pinpoint emission issues quickly and accurately.
What the Emissions System Does
Your vehicle’s emissions system reduces harmful pollutants and ensures efficient engine performance. When a component fails, fuel economy drops, performance suffers, and your vehicle may no longer meet emissions standards.
Common Emissions Problems
- Check Engine Light illuminated
- Failed emissions or readiness test
- Poor fuel economy
- Rough idle, stalling, or hesitation
- Exhaust odor or excessive smoke
- O2 sensor codes or catalytic converter efficiency codes
- EVAP system leaks (gas cap, canister, purge valve)
Our Emission Repair Services
- Full emissions system diagnostics & code scanning
- Oxygen (O2) sensor testing & replacement
- Catalytic converter testing and replacement
- EVAP leak testing & smoke machine diagnostics
- EGR valve cleaning and replacement
- MAF sensor cleaning/replacement
- Fuel vapor canister & purge valve service
- Exhaust system repairs
- Monitor reset & post-repair drive cycle verification
Why Choose HarrisBoyz
- Experienced emissions system technicians
- EPA-approved & OEM-quality parts
- Advanced diagnostic equipment
- Fast turnaround and accurate testing
- Clear pricing and honest recommendations
- Serving Iowa City drivers for years
Our Emission Repair Process
- Computerized diagnostics & visual inspection
- Smoke testing for EVAP leaks (if needed)
- Repair or replacement of faulty components
- Reset readiness monitors & perform drive cycles
- Confirm no remaining codes or performance issues
Costs & Timeline
Some emission issues, such as gas caps or O2 sensors, are quick and affordable. More complex repairs like catalytic converters or EVAP leak tracing require additional time. We always provide a full estimate before any work begins.
Schedule Emission Repair
Don’t let emissions problems affect your vehicle’s performance. Book an emissions diagnostic online or contact us for same-day availability.
Frequently Asked Questions
Q: Can I drive with an emissions issue?
A: Often yes, but performance and fuel economy may suffer — and some problems can damage the catalytic converter over time.
Q: Will repairs turn off my check engine light?
A: Yes. Once the problem is fixed and readiness monitors reset, the light should stay off.
Q: Do you replace catalytic converters?
A: Absolutely — we install high-quality, emissions-compliant catalytic converters for all major vehicle brands.