Repairs

Cooling System (only with related failing codes)   

  • Thermostats  
  • Temperature sensors  
  • Fan controls (switches & relays)  

Air Injection System   

  • Electric/mechanical air pumps  
  • Manifolds  
  • Switching valves  
  • Check valves  

PCV Systems   

  • PCV valves, grommets  
  • Vacuum & PCV hoses  
  • Diaphragms  
  • Valve covers with integrated PCV system  

EGR Systems   

  • EGR valves  
  • Vacuum/electronic controls  
  • EGR passage cleaning  

Evaporative Emissions Systems   

  • EVAP leaks  
  • Purge/vent valves & solenoids  
  • Rollover valves  
  • Canisters  
  • Gas caps  

Vacuum Brake Boosters   

  • Brake boosters  
  • Check valves  
  • Vacuum diaphragms  

Computer Control Systems   

  • Oxygen (O₂) sensors / A/F sensors  
  • Air flow meters  
  • Boost sensors  
  • Reprogramming (for verified sensor/component repair)  
  • Knock sensors, wires/pigtails  

Ignition Systems   

  • Spark plugs, wires, boots  
  • Ignition coils  
  • Distributor, caps & rotors  
  • Crankshaft/camshaft sensors  
  • Engine temp sensors  
  • Harmonic balancers  

Intake Systems   

  • Intake manifolds & gaskets  
  • Plenum gaskets, runners, controls  
  • Front grill shutters  
  • Superchargers  
  • Throttle body assembly  
  • Air injection ducts  
  • Idle air valves  
  • Fresh air intakes  
  • Vacuum leaks  
  • Valve cover gaskets (for vacuum/lean codes only)  
  • Air induction cleaning (when required for induction-related codes)  
  • MAP/BARO sensor  

Fuel Systems   

  • Fuel injectors  
  • Fuel filters  
  • Fuel pumps  
  • Fuel tanks & filler necks  
  • Fuel leaks  

Mechanical   

  • Basic valve adjustments (via valve cover removal)  
  • VVT solenoids / cylinder deactivation solenoids  
  • Engine oil pressure switch (with associated codes)  

Exhaust Emissions   

  • Exhaust manifold gaskets, manifolds, flex pipes, donut gaskets, flange kits  
  • CARB or Federal compliant catalytic converters (Whichever is Originally required)  
  • Turbochargers & related components  

OBD Monitor Reset   

  • Drive cycle / setting monitors (for vehicles with easily set readiness monitors)  
  • If Permanent Trouble Codes (PDTC) remain, do  not charge  — advise customer on correct mileage expectation (≈200 miles or 15 warm-up cycles).  

Transmission   

  • All 700- and 800-series DTCs  
  • Manufacturer-specific transmission codes 

Charging & Starting Systems   

  • Alternators, batteries, cables  
  • Ignition switches  
  • Starters  
  • Keys  

Braking Systems   

  • ABS systems and components  
  • Wheel speed sensors (Unless triggering a check engine light) 
  • Master brake cylinders  
  • Brake lines & fluid  
  • Vacuum pumps (mechanical/electrical)  

Routine Maintenance   

  • Oil changes / oil filters  
  • Air filters  
  • Other scheduled maintenance  (note: spark plugs, caps, and rotors  are covered )   

HVAC & Cooling Systems   

  • Water pumps  
  • HVAC codes  
  • Ambient air temperature sensors  
  • Heater cores  
  • Evaporator cores & hoses  

Major Mechanical Repairs   

  • Valve grinds, cylinder heads, piston rings  
  • Mechanical engine oil pressure systems  
  • Mufflers, exhaust pipes, resonators  
  • Valve cover gaskets (for oil leaks only)  
  • Crankshaft/camshaft assemblies  
  • Valve rocker arms/assemblies  
  • Timing chains, belts, idler pulleys, timing covers  
  • Engine/transmission oil coolers  

Exceptions:   

  • Valve cover assemblies with vacuum regulator diaphragm  
  • Valve cover gaskets for lean codes or vacuum leaks  
  • Crankshaft/camshaft sensors & solenoids (if oil maintenance was maintained)  
  • Valve adjustments via valve cover removal  

ECM/PCM (Engine/Powertrain Control Modules)   

  • Replacement codes for ECM/PCM are not covered  
  • Failures due to covered emissions components  may  be eligible  

MIL (Malfunction Indicator Lamp) Issues   

  • wiring, tampering 
  • Inoperative OBD/CEL plug  

Tampered/Modified Emissions Systems   

  • Modified catalytic converters, straight pipes  
  • O₂ assimilators & spacers  
  • Exception:  Verified stolen converters (no tampering or pipe replacement)  
  • CARB-rescinded catalytic converters  may be covered