Failed Smog Test?
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For the fastest quote call 702-364-0566 or complete the form below. Including year, make model and symptom will help us provide you the most accurate price quote.

Failed Smog

Failed Smog Test? For Prices & Questions Call 702-364-0566.

Grrrrrrr is the only word that comes to mind when you learn your car didn't pass smog in the middle of your busy day.

We really have the factory tools and technicians to get your car back up to par.

Allied is a licensed Smog certification AND G2 repair facility. We are checked regularly by the State of Nevada to make sure our equipment and staff is up to the task.

  • NAPA AutoCare Center
  • AAA Approved Auto Repair

Signs Your Car May Not Pass Smog

  • Not Running Right or High Fuel Consumption - Possible Causes- Faulty fuel injector, fuel injector seal, fuel pressure regulator, catalytic convertor, spark plugs, low compression, ignition wires, ignition coil, ignition module, distributor cap, distributor rotor, fuel pump, egr valve, map / baro sensor, throttle position sensor, heavy oil consumption, idle air control valve, camshaft, ecu.
  • Smoke From the Tailpipe - If your car is excessively smoking from the tailpipe it will not pass smog. Possible Causes- Faulty piston rings / piston, valve guide seals, valve guides, pcv valve, intake manifold, intake manifold gaskets, cylinder head gasket.

Video: Hand Picked Mechanics

Video: The Last Straw

Failed Smog Savings & Specials

Car Repair Coupons Las Vegas

Allied Club Card $99.95

Save Money with a Discount Card! Includes 4 Free Oil Changes.

Car Repair Coupons Las Vegas

$20 Internet Savings

Good on Any Service/Repair Over $100. Mention This Ad & Save!


Here at Allied, everyone associated with your car is responsible to make sure you have a good experience. Here’s how we work.

  • Nationwide Warranty
  • You Are What Matters
  • Your Car is Unique
  • Your Approval
  • Expert Work
  • AAA Approved