Engine Diagnostics and Repair in Arvada, CO
Something's wrong with the engine. Maybe it's a misfire, a knock, a leak, or a check engine light that won't go away. We diagnose the actual cause — not just read the code and guess — then give you a straight answer on what it'll take to fix.
What's Involved
Engine work ranges from simple (replacing a leaky valve cover gasket) to complex (short block replacement on a spun bearing). Every job starts with proper diagnosis using scan tools, pressure testing, leak-down testing, or compression testing as needed.
- OBD-II and manufacturer-specific scan tool diagnostics
- Compression and leak-down testing
- Misfire diagnosis and ignition system repair (coils, plugs, wires)
- Oil leak diagnosis and repair (valve covers, oil pan, rear main seal, cam seals)
- Timing chain/belt related engine damage assessment
- Short block and long block replacement
- Turbo diagnosis, rebuild, and replacement
We work on everything from naturally aspirated Corollas to built turbo EJ and FA motors making 400+ horsepower. If the engine needs to come out, we have the equipment and experience to do it — our shop builds performance engines for dyno tuning customers, so engine removal and installation is something we do all the time.
Signs You Need Engine Repair
- Check engine light is on (solid or flashing — flashing means stop driving now)
- Engine misfires, stumbles, or hesitates under acceleration
- Knocking or ticking noise from inside the engine
- Oil consumption between changes (more than 1 quart per 3,000 miles)
- Visible oil leak under the car or burning oil smell from under the hood
Why It Matters
A misfire that you ignore burns through catalytic converters — that's a $1,000-$2,500 part on most modern cars. A small oil leak becomes a big oil leak. A knock that starts faint gets louder until a rod bearing lets go and puts a hole in the block.
Early diagnosis saves money. A coil pack and spark plugs cost $200-$400. A catalytic converter that failed because of prolonged misfiring costs ten times that. We'd rather catch it early and keep your bill small.
Questions about your engine repair?
Call or send us a message. We'll give you a straight answer and an honest estimate before any work starts.