Can't find a more honest professional diesel mechanic anywhere! These techs know what they're doing and can explain it in easy to understand terms. A friend of mine turned me onto them 10+ yrs ago and although they may be a bit more expensive than the local do all mechanic, they're worth it! That's all they do is diesels! Been caring for my 2001 Ford Excursion 7.3 litre and saving me tons of money in the long run. I cannot recommend them enough! The new owner Sal is friendly and knowledgeable. Great place. read more

Love this place! Brought my Silverado 3500HD for an oil change and had a check engine light that the dealer couldn't figure out what the problem was. They were able to fix the problem and get my oil change done all in the same day. These guys are awesome. Definite 5 star. read more

Great service fix all my diesel engine trucks here always great and dependable work and service . Great pricing quality work!!!

Super professional and knowledgable staff. I refer all of my diesel clients to them and I have heard nothing but great results. Family business and the staff is always willing to explain the vehicle issues. True diesel specialists, two thumbs up! read more

Total ripoff... took my 86 F 350 to get repaired truck had dual fuel tanks working. When I got it back one of them was not working. I took it back to them that told them it was working fine before I drop it off. They worked on it for an hour and couldn't find the problem. Their suggestion was that it was the fuel valve and it was going to cost me around 500. Even though they didn't fix it they still charge me $90 for that. I went out and spent a hundred and fifty on that valve that was supposed to be the problem but when I replaced it. It was still doing the same thing. So I took it to another shop and the problem was that someone put a kink in the back tank fuel line. In order for that to happen so someone had to get underneath the truck and over on top of the fuel tank to kink that hose. I asked them how much was the damage. Nothing the guy said cuz he fixed in less than 5 minutes so you tell me if that shop is not a rip off... read more

Had a Banks kit installed on my 97 2500, and they did a good job. It still had to be taken somewhere else to have it fine tuned to get it 100% right. They did a brake job on the same truck and the brakes over heated and ruined. They told me to bring it to the dealer to get it fixed. The dealer said they put the wrong brakes and disc on the truck. No refunds or an offer to fix. This place is a hit and miss. Not recommended. read more

took my 03 F250 diesel to get some Bank upgrades done to it. First they ordered the wrong parts, yet, they did not call to get the correct ones. They knew they were wrong parts and went ahead and installed them anyways, they kept the trucks for 2 weeks giving me the run-a-round that they were waiting for parts. Then I get a call from Mike saying saying that my truck got into an accident. They claimed while test driving it, a minivan got in front of it and they hit. I would have believed that, but when I saw my truck, the whole front end was damaged. it looked like they hit a pole dead center as the front end on my truck was "V" shaped. had they hit a minivan the front end would have been damage almost evenly. and if you own a F250 Diesel, you know those truck are built tough. When I told them I would have my truck towed and taken to shop to get worked on, they had gutts to asked for me for payment for the work done to my truck. If I didnt pay they would not release the truck. needles to say, the intercooler they installed was damaged beyond repairs, yet they wanted to get paid before releasing my truck. my truck had almost 15K dollars worth of repairs, now I have a truck that has a accident report and its value has gone down because of it. read more

i got to say, i'm satisfied with the service. my duramax needed a head gasket . i searched around ,found cheaper prices ,and you know that saying, "you get what you pay for" so i decided to spend the few more bucks. but getting right the 1st time. is worth it!!! sal awsome dude!!! worked with me . freddi bullet proof my engine. even fixed a few harnesses at no cost. this dudes know diesel engines. read more

Just bought a diesel bus for my pet grooming business and it started running horribly! I was clueless on diesels or who specializes in them. I called around diesel shops to see what and how to fix it but it seemed as if no one knew. Next I went to ford dealers because my bus is ford and to my surprise they sent me to Diesel tune. I just had to write a review because they really helped me when no one else could. Thanks guys!!! Appreciate the help!! read more

Took our 05 Ford E-450 Econoline to have our vacuum pump repaired. Since I'm self employed and use the truck on daily basis they worked with me to get it fixed quickly while I waited. I am a return customer and I really appreciate their honesty, knowledge, and customer service. read more

Can't agree with the 1 star reviews. These guys saved me more than $2000. Ford Dealer said I needed a new turbo. Diesel Tune fixed the problem by replacing a seal. I'll take my 2003 F250 6.0 here for anything other than minor stuff that I think Ford can handle. read more

I messaged them regarding a leak in the fuel filter housing on my 1998.5 dodge ram 3500 after two of my friends recommended them. They wanted to charge me 169.00 plus taxes and fees to replace my fuel filter (only costs 20 dollars) and then they would diagnose the problem from there. However I already knew where the leak was coming from and sent them a video from genosgarage.com detailing how to fix the leak which is a common problem in trucks like mine. When I sent the video I also asked them how much it would be to perform the miscellaneous service but they never got back to me. I would have been happy to pay the 169.00 plus taxes and fees aside from what ever they would charge for the miscellaneous service that I was asking for but I guess me and my truck were not important enough. Luckily I found an honest and local diesel mechanic that was willing to perform the services that I wanted and my truck has not leaked since. read more

Diesel Tune had my 2008 6.4 Ford Truck in their shop for 10 days. They worked on it they said they replaced parts, I never saw any old parts! I picked it up on 7/1/2016 at 5:15 pm. Drove it no more than 3 blocks check engine light came on, and the wrench light came on. Truck went into limp mode, I tried to call the company, no answer. By the time a turned around no one at the shop! I Still have the same check engine codes after I paid $3,408.49, and the truck is in worst shape than I brought it in to their shop. Photos of the loose bolts and Exhaust pipe that fell out, after I drove it 1 mile! Unbelievable that they are still in business with that kind of workmanship! This is the worse service that I have ever seen! I am not taking my vehicle in to their shop ever again. If I could post photos on here I would. 1. Code p0401 2. Code p2463 3. Air box missing all of the hold down bolts, it's just flopping around! 4. Loose bolts on the EGR Valve Housing just sitting there 5. Exhaust pipe fell off when I drove it 1 mile to the airport 6. Truck is in limp mode no power worse than when I brought it in. 7. Took stud bolts out of my spare DPF filter (WHY, Where Are they!) 8. Got dirt and grease on my console, and steering wheel 9. Both front map lights do not work now, they did when I brought it in. 10. That B.S. story about how the electronics work in the truck, cap it off that they have no clue what they are telling customers or what they are doing. I am a very experienced guy, but my scan tool does not reset the wrench light or change parameters on the PCM computer. read more

Diesel Tune did a great job diagnosing and repairing my '02 diesel Excursion. Truck runs better than ever. Tom and Mike kept me informed as to diagnosis and costs at every step. I will bring my truck to them for future work without hesitation. I am in Pasadena area. read more