Emissions testing service near Diamond Bar, CA

Gabriel is a great mechanic that does all my repairs. Very honest! I highly recommend him as a mechanic.

There is a heritage and history behind ARCO that is now a part of the American traveler’s landscape. Since the early 1970s, we have found ways to operate efficiently so that we can pass savings on to you at the pump. With a firm focus on our low-price objective, we are still committed to offering good quality gasoline, so that your vehicle performs efficiently. Indeed, good gas at a good price. More than 1,300 ARCO-branded sites currently operate in five western states: California, Nevada, Oregon, Washington and Arizona. Parent company, BP markets more than 15 billion gallons of gasoline every year to U.S. consumers through 11,000 retail outlets.

I bought my Pontiac brand new in 1988. 277,000 miles later it's starting to have a few problems, especially with the fuel injection and passing smog. IS&R fixed its current issues in one day and charged far less than I had expected to pay. Good work done quickly for a fair price. Now I'm trying to decide which of its other problems to have them look at next. Craigs great to work with as well!!!

I was on vacation with my family and I had a tire that kept losing air. This place hooked me up with a new tire valve and got me back on the road in no time! I came in with 20 minutes until closing time and they still provided fantastic service! Great customer service. Highly recommend this place for any tire needs! -Kristie Phillips

As a lady needing my car smog I was treated with the upmost respect and they explained everything in detail so I could understand. Very hi honors to them THANK YOU! Deb

Professional/excellent service. I would definitely recommend this auto repair shop to others!

Owners, chief mechanic Chris is a native of Sweeden where he learned from the Volvo factory the highly technical applications of diagnostic techniques fixing Volvo automotive as well as the Saabs. Chris & his parents including cousin Jim worked at the Volvo factory. The mechanics working at Bertone has one common goal, customer satisfaction. None can compete with Bertone with consistent top quality service with very reasonable price. Bertone's customer base is built from repeat customers & referrals. Roger Valencia