Avo Injian
Service Advisor
Mark Christopher Auto Center
2131 E Convention Center Way
Ontario, CA 91764
56 Reviews
Write a Review56 Reviews of Avo Injian
November 28, 2025
Very unprofessional service department no communication they never kept me posted. They kept my Chevy Silverado 6500 tow truck for 28 days this was my second time taking it after my first service because t they never kept me posted. They kept my Chevy Silverado 6500 tow truck for 28 days this was my second time taking it after my first service because the truck was leaking power steering they charge me $2200 and they kept my truck in October for also three weeks the very next day when I took it home it was still leaking and when I spoke with the Service advisor avo he told me that this is something his technician the guy who originally work on my truck that he screwed up and he should’ve checked on some parts and clean it but he didn’t so he told me he wasn’t going to charge me and he told me this was on us and then when I asked him that I need my truck back after over three weeks keeping it there losing business and money. He told me that he was going to charge me again for the parts, but not the labor, which is very unfair and not right to do. I asked for his manager to call me and then the service manager Dino called me and he was very rude on the phone. He didn’t want to help and he told me I have to pay for the parts and when I told him that it’s not fair and it’s not right to do and when I mentioned that if he’s going to charge me, I might take her legal action because of that he told me he wasn’t going to fix my truck and he asked me to take it back so after 28 days of losing business and money and put me in a lot of stress I had to take my truck back and it was still leaking. I will never buy a Chevy truck again and I will never take my cars to this horrible dishonest dealership And one more thing I need to mention that every time I take this truck, they keep it for almost a month and when I take it back, the same problem still exist, and my service advisor avo he always told me that they only have one technician working and he he doesn’t have enough technician to work on cars. This is just horrible and very unprofessional. I hope somebody can read this and take it serious because of the service advisor Avo and Dino the service manager they should get fired for very unprofessional work and managing. More
Other Employees Tagged: Dino Picanzo
October 28, 2025
The service was great! Avo communicated the diagnosis of my truck clearly and made sure everything was addressed in a timely manner. I recommend Mark Christopher for servi Avo communicated the diagnosis of my truck clearly and made sure everything was addressed in a timely manner. I recommend Mark Christopher for service of any vehicle. More
October 23, 2025
That’s my third time dealing with Mark, Christopher in the last five years always up to my expectation nice clean dealer dealership, friendly staff very helpful this time I always help by Mr. Richard Chan the last five years always up to my expectation nice clean dealer dealership, friendly staff very helpful this time I always help by Mr. Richard Chang makes me feel like he was buying a car for himself or to his family member wonderful man I have been sending them people over to him to buy cars what a great guy More
Other Employees Tagged: Greg Hess, Sam Fakhouri, Nate Heath, Jackie Klosky, Javier Juarez, Julie Escobar, Juan Fletes, Sam Abdelmesseh, Lloyd Beardsley , There was a gentleman who very helpful by the name of JC
October 04, 2025
I learned the importance of inspecting my vehicle when it is returned after serving. The attendant did something that I never experienced in the dozens of times I visited. He parked it in front of the parts is returned after serving. The attendant did something that I never experienced in the dozens of times I visited. He parked it in front of the parts dept entrance and then walked over to me to return my keys. Later that day I noticed a significant scratch on the front bumper. I will never fall for that again. More
September 29, 2025
Sales Agent Nick Polytarhos & Sales Manager Jerry Peña were both were fantastic and I rate both of them at 5. Finance Manager Cesar Valenzuela included a two thousand fee for a “360 Resist All” without were both were fantastic and I rate both of them at 5. Finance Manager Cesar Valenzuela included a two thousand fee for a “360 Resist All” without any explanation and I didn’t notice it until I reviewed my paperwork when I got home. I would rate Mr. Valenzuela a 2. More
Other Employees Tagged: Nick Polytarhos, Jerry Pena , Cesar Valenzuela
September 24, 2025
Excellent service from the sales personnel and management. They made every effort to maximize any possible discounts and was comfortably negotiable on the price of the vehicle. I had the displeasu management. They made every effort to maximize any possible discounts and was comfortably negotiable on the price of the vehicle. I had the displeasure of visiting one other Chevrolet dealership, which was very pressure oriented. I would not only return to Mark Christopher for a subsequent purchase, but I would also recommend their dealership to any of my friends. More
Other Employees Tagged: Nick Polytarhos, Jerry Pena , Cesar Valenzuela
September 22, 2025
They told me my car will be ready at a certain time in my car was ready ahead of time it had been washed and clean even the service center was nice and neat and clean. I recommend my Christopher to any and e car was ready ahead of time it had been washed and clean even the service center was nice and neat and clean. I recommend my Christopher to any and everybody with the General motors car. More
September 21, 2025
I Always service my truck at this dealership and they always do a great job and excellent staff and friendly service advisor that attends to your needs. always do a great job and excellent staff and friendly service advisor that attends to your needs. More
Other Employees Tagged: Jeff Rizzi, Dino Picanzo

