Devil Dog Auto & Diesel

Devil Dog Auto & Diesel Suspension, gas engines, electrical repair, a/c, hydraulic, Diesel engines, brakes, drive axles, general maintenance.

06/28/2026

We will be closed July 3rd - 5th to celebrate our great country’s 250th birthday. We will reopen on Monday July 6th. Thank you to all active military and veterans for your service to our country protecting our freedoms. ❤️🇺🇸

05/22/2026

We will be closed Saturday May 23, Monday May 25 and Saturday May 30

A passing through guy calls regarding his 20’RAM fixing to go into limp mode. 30 minutes later he walks in & sees my T-s...
05/16/2026

A passing through guy calls regarding his 20’RAM fixing to go into limp mode. 30 minutes later he walks in & sees my T-shirt. He wasn’t happy. He: you a TRUMP fan. Me: 100% this is TRUMP country. He said ok. He leaves. I bet they don’t even known why they hate the man so much.
He’ll be stranded along side the road when his Dodge truck reaches the end of the line of limp mode. All I said was, “have a good HOT day.”

Some thing’s we at Devil Dog run into. Yes it’s been awhile. We did a new 5.9 Cummins engine swap. Owner wanted an upgra...
01/02/2026

Some thing’s we at Devil Dog run into. Yes it’s been awhile. We did a new 5.9 Cummins engine swap. Owner wanted an upgrade. Upgrade known as “Boss Hoss” air intake. (View the video)
Another is a Lincoln Classic weld machine. Weld machine came in not running. Diesel injection pump assy as seized up. Replaced the diesel fuel injection pump & timed. Machine has not ran over 4 years. We cleaned out the fuel tank. It had more issues than just the injection pump. It kept going into shutdown. The electric fuel pump & injection pump shut off soleniod was hooked up in series. Reconnect them parallel. Furthermore, found the alternator was not charging. But it would stay running when alternator was disconnected. Reconnect it & it shuts down. Then we found out the amperes gauge was hooked up backwards.
This next issue was just due to observation. I’ve seen it happen on off road equipment. The fan blade was installed backwards.
Heres a DIY. Found diesel fuel injectors electrical harness loose connection. However it has 3 injectors out as well. Plus a turbo wastegate issues . All contributing to low power.
We also found a SUV turbo that was damaged due to “lack of maintenance.” It happens to diesel pickups as well. We had one the owner went out & started hisdiesel pickup. When he came out to leave. The engine was locked up.
Oil sludge will do a lot of damagd to your engine - gas or diesel.

12/18/2025

Merry Christmas!!!

Dec 24th - We will be closing at noon
Dec 25th - Closed all day
Dec 31st - We will be closing at noon
Jan 1st - Closed all day.

Be safe. Enjoy time with your loved ones.

Address

7975 E Main Street
Farmington, NM
87402

Opening Hours

Tuesday 7am - 5pm
Wednesday 7am - 5pm
Thursday 7am - 5pm
Friday 7am - 5pm
Saturday 7am - 3pm

Website

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