Diesel Performance Specialist - Yuma, Arizona

Peter Giard

Dave, the owner, is a great human being. Runs a clean shop. Met him a few weeks ago. From my career in law enforcement, I'm a pretty good judge of people. All Dave did for me was an oil change, but he checked out my entire 3500 Ram dually. He runs a tight ship. His guys are knowledgeable and hard working. Will return again. He will spend time talking to you which most businesses don't. Thanks Dave also for the advice on better living. Your the man sir!

Oscar Ortiz

Good mechanic if he fixes it right the first time. If he doesnt goodluck trying to get it fixed. Really overpriced. Would be worth it if he wast rude and fixed the warranty issues in a timely manner. Since my Issue was under warrranty and he wasnt gonna get paid anymore he would only work on my truck until he finished with paying customers. I had a complete engine overhaul, I probably didn't need it but he suggested it so I thought he would do a great job.. It took 4 months for him to finish And when I finally got it it was leaking like crazy. I brought it back 3 different times And it seems like he didn't even look it over. Like if he was just changing what he thought would be wrong or I doubt he even looked at it. After having enough of his attitude I took it to another shop. They actually took the time to look it over and figured out it was the tappet seal. Its been running good with no leaks for 3 months now. His helper actually told me the 1st time I brought it back that he thought it was the tappet seal, so I don't know what happened with that . He either ignored his helper or just ignored my truck. All 3 times he said it was my dipstick O ring or my rear main seal. The photos shown are from just driving it down the street. Thats the huge puddle of oil it would leave while being parked. So if you see a puddle like this in a parking lot I was probably there for at least 15 minutes. All 3 times that I took it he said that he test drove it and checked it for leaks But obviously he lied. Other than this bad experience the truck is running good so I'll give him that. But it has not been a pleasure to work whith David (the owner)to be honest.

Brandon Dillard

I have never written any review on anything until now, Dave or whoever owns this place is an absolute joke. All the one star reviews that complain about leaks, lack of communication, or just being dishonest and straightforward are true. One of my trucks was at his shop for almost 2 years when I had a fluctuating RPM problem and when I said “take your time” he literally took his time. When I had just about enough with this guy he had the fortitude to still charge me 800 dollars for a problem he didn’t fix! Apparently hooking up a computer costs 800 dollars and my invoice doesn’t even show an accurate breakdown of any of the work that had been done! My girlfriend decided to pay the 800 dollars for absolutely nothing because she knew I was way beyond pissed off and knew how frustrated and irritated I was with him. My truck came back to me never fixed, I never was told anything about the work that was supposedly being performed and was charged 800 dollars for what I can gather was a freaking storage fee! Nothing but excuses when it comes to Dave! Now that I have my truck back and looked it over I noticed a number of loose bolts and missing P-clamps and hose clamps and a major leak on my power steering pump when the initial problem was nowhere near the power steering pump. Seriously do yourself a favor and stay away from this joke of a shop!

scott cooper

I had a problem with my electrical tow hook up on my motor home. I took it first to another place and they spent 3 1/2 hrs on it trying to fix it. I told them when I got there that the problem was in a transmitter box according to a previous shop. They paid no attention to what I said. When I got it back it was worse than when I got there. I got ahold of Miguel at Diesel Performance and had him come look at it. I told him about the electrical box problem,he listened checked out the box and concluded yes that it was bad. He ordered the parts to replace that one, and straightened out the wires that the previous shop cut into. He spent about an hour total between the two trips to where we had the motor home parked. He fixed all of our electrical problems. I will recommend them to anyone, Miguel did a great job and price was reasonable.

Amanda Morris

I contacted Dave to get my motor home diagnosed and an estimate to my warranty company (on a hydraulic leak related to my slides). They did show up to look at it one evening, but didn't let anyone know they were there and left before we could get the keys outside. Unfortunately, I've called and text numerous times with no answer or response, and a voicemail that says to text him. Multiple attempts to reschedule have led me here. Save yourself the time and frustration.

GREG H

DO NOT USE THIS SHOP... I took my F350 in for exhaust manifold studs broken, after 3 months Dave told me he had the head off, he did not, he had not even touched the engine. I noticed I had a flat tire witch I did not have ever, I asked him to fill up the tire, well 3 weeks later the tire is still flat, when I show up to tow it to another shop he drug the truck out front with a flat tire, no respect or concern. At 3:10 Diesel who I highly recommend, they found a 7/16 bolt in the tire. I was lucky enough to plug it, the tires are vet expensive now I have a plug!!!
If you try to call him his phone goes to voicemail that is not set up yet? That should be a big red flag... DO NOT USE THIS SHOP...

10/20/2023 UPDATE: Not only did Dave have my truck for 3 months it sat out front of his shop with the hood propped up and now I have a severe enfine oil leak that we have been trying to find, after deep diagnoses they found the rear main seal had dried up and failed and has to be replaced, also when he towed my truck out to the street with a flat he damaged the TPS sensor in the tire and has to be replaced. STAY AWAY FROM THIS SHOP...

Jonathan tirado

It’s been over a month since I took my ram in for a turbo issues. Replaced the turbo and did some extra work to make the truck more reliable and run cooler . Truck runs amazing . He did a good job kept me informed. I Highly recommend Dave and his team.

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6/20/2022
If you're second guessing, don't. I came to them to have my breaks replaced. I got a fair price and the technicians worked extremely fast. They did quality work and made me feel at home. A1 Service. I will definitely go back in the future.

1/3/2023
I returned for some additional work and service was even better the second time around. A++ service every time.