Fontana, CA

14708 Arrow Boulevard, Fontana, CA 92335

(909) 275-7110
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Check Engine Light On? Let our experts at AAMCO check it for you!

When it comes to your check engine light, here at AAMCO of Fontana, our auto repair and service specialists know check engine light codes and diagnoses. So when your check engine light is flashing/or on, make sure you contact our center immediately at (909) 275-7110 and know that your car will receive the best care, all at the right price!

Call us today & save
(909) 275-7110

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10% OFF
SAVE ON ANY SERVICE
Save on your total purchase of automotive service work of $50 or more. Maximum $150 OFF
Offer good thru: 6/11/2017
Valid at AAMCO of Fontana, CA
(14708 Arrow Boulevard, Fontana, CA 92335)
This coupon must be presented at vehicle drop-off at the center identified above. The coupon is not valid in other centers. There is a limit of one coupon per vehicle, and the coupon may not be combined with other offers, discounts, or special fleet pricing. The coupon is valid on most vehicles, but certain exclusions apply. Void where prohibited or if altered.


When the check engine light is on, turn to AAMCO of Fontana, also serving the surrounding area, so our experts may diagnose the engine light codes and get the repairs you need to get back on the road - Check engine light out and worry-free!"


There are hundreds of codes that could trigger your CHECK ENGINE LIGHT. Even the most common reasons can have many possible causes. Some top CHECK ENGINE LIGHT codes are:

  • Problem with the Mass Air Flow (MAF) sensor or circuit.
  • System Running Too Lean. An oxygen sensor detected a lean condition (too much oxygen in the exhaust)
  • System Running Too Rich: The oxygen sensor detected a rich condition (or a too-high fuel to oxygen ratio)
  • Cylinder misfire: A P0300 series of codes indicates a random or multiple misfire in your engine.
  • Knock Sensor Circuit Malfunction: Your vehicle's computer constantly adjusts and retimes the engine so that it doesn't produce harmful pre-ignition detonation or knock.
  • Insufficient Exhaust Gas Recirculation (EGR) Flow
  • Catalyst System Efficiency below threshold


These are just a few of the hundreds of codes, causes and symptoms. Each has multiple fixes.

Our expertise in vehicle diagnostics means we can quickly pin-point what is causing your CHECK ENGINE LIGHT to come on and we will recommend only what needs repair. Fixed right on the first visit, every time!


Call us today & save
(909) 275-7110

Local & Trusted