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October 2022 by Patricia A.
Currently at the mobil right now and the employee is outside smoking a cigarette right by the gas pumps! I literally didn't even fill my tank up I just told my husband I wanted to leave bc I'm not trying to get blown up!
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September 2022 by Heidi Randolf
the women inside at 5.45am is very rude don't bother to ask her something. She doesn't like to do her job.
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September 2022 by corinne navarrete
Great place to get car repairs!
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August 2022 by Ruth W.
Very convenient place. Near target. You can walk in. I arrived at 8:00. Got the oil changed around 9:40 without an appointment. I would say waiting time it's not too bad. He would not charge You anything which is not necessary. The price is fair Compared to my previous shop. The owner is very nice and professional. He explained everything very clearly. The staffs are very nice. I would come back!
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August 2022 by Doreen Ji
Because of the great service, I have to post my first review in google for this store and the crew. The front door next to the driver’s seat could not been locked. After I drove to this store, they fixed that for free. How amazing! It’s not easy in now days to find trustful people as they are, once you find, never go, stick with them.
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April 2022 by John Morrison
No change for large bills. Card readers bad. Return for receipt.
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March 2022 by Lady Plumss
the women inside at 5.45am is very rude don't bother to ask her something. She doesn't like to do her job.
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March 2022 by HaKdfyd
Doors close before 9pm??? Means no restroom access... Do better
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March 2022 by Paul S.
Had the most amazing experience today that turned what could have been my worst day in many years into one of the best because I met James, the owner of Grand Mobil. My nearly new Tesla Model 3 ran over a pile of debris on the 57 Fwy which punctured my left front tire (Teslas don't have spares). I exited the 57S at Grand Ave in Diamond Bar. By the time I made it to Grand Mobil I had 9 lbs of air left! James immediately offered to help and within a few minutes had found two holes in the tread and plugged them. He would not take the (very fair) $20 fee I was quoted because he was not sure the plugs would hold. I forced him to take the money and drove 30 miles home without further incident. The tire is still holding the same 41 lbs of pressure I had when I left Grand Mobile. James... you really know your trade! You saved me from a nightmare. Thank you so much!
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February 2022 by Kevin P.
Worst prices around. Insanely expensive gas. Go just another half mile to the next mobile (and chevron even) and you will save 0.70-0.80 cents per gallon!!
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September 2021 by Cristina Baltazar
Super expensive gas located in the hills with expensive homes but if you are poor like me you will be lucky to afford 2 gallons like me and hope you make it home.
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June 2021 by pastor david burr
Mobil gas is still one of the best fuels with low sulphur content!
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June 2021 by Kathleen M.
I am a single mother and know so very little about cars. I contacted Grand Mobile to see if they would do a pre-inspection on a vehicle I was getting ready to purchase in the area for my youngest daughter. The owner of GM told me about the amazing discount they give for this service if you are a AAA member, so of course, I made an appt. for the following day, Friday. James was very busy that day, but he totally made time for my pre-inspection. 10 stars for James! The very next morning I took my daughter's new car to a local mechanic in my area to complete the recommendations James gave me and when I told them I had just purchased the car, they gave me a $3000 list of "to dos". What??? I called James on the spot and he told me to RUN...not walk away, because he was very confident that this new inspection of the car was inaccurate and dishonest. 20 stars for James, AGAIN! Fast forward two weeks. I kept forgetting to post a review for my appreciation for how James took such good care of me on 6/4/2021 and 6/5/2021. In hind site, I'm SO GLAD I did because James saved the day again on 6/18/2021. This time MY car started making an unfamiliar noise. Of course, James took time over the phone to trouble shoot with me. I was ready to bring the car to him, but he asked me to do a few things first...I followed his instructions and it worked. 100 stars for James (can we clone him?) On a good day, I'm about 45 minutes away from Grand Mobile. I have seen the light! This is a drive worth making when I have car issues. I have looked high and low for an honest mechanic; not only is James honorable, trustworthy, and friendly, he doesn't let you down. He's getting all of my car business. I bought cars for 3 of my daughters, plus mine in the last 2 years. James is officially our new mechanic (aka hero). THANK YOU SO MUCH!
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May 2021 by Art Torres
Nice clean little shop also have mechanics very friendly people young lady help me very much good selection of snacks ice for the hot days stop by the gas prices are reasonable Norwalk Raider out
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May 2021 by Cynthia M.
Came in for a smog check, didn't take long at all. Workers are very nice, mechanic is very helpful.