Uploaded August 2026 | Updated September 2026, 12 hours ago
Fuel gauge stuck on empty — or bouncing all over the place? On a classic Ford, the culprit is almost always the fuel sending unit. In this episode Jeff pulls the old sender out of the '72 Mach 1 "Lazarus," drops in the brand-new National Parts Depot fuel sending unit, and shows you how to test it BEFORE it ever goes back in the tank — so you only do this job once.
Swapping a fuel sending unit means draining and opening the fuel tank, so Jeff walks through the safety setup first, then the removal, the test, and the install. Whether you call it a fuel sending unit, a fuel sender, or a gas tank sending unit, this is how you get an accurate fuel gauge reading on your classic Mustang.
⚠️ FUEL SAFETY FIRST It's the gasoline FUMES, not the liquid, that ignite. Work with good ventilation and a fan, keep a fire extinguisher within reach, and clear any ignition sources. If you're not comfortable working around fuel, have a professional handle it.
WHAT WE COVER
- Safely draining the tank and clamping off the fuel line
- Knocking loose the locking ring and pulling the old sender
- What's new and better on NPD's latest fuel sending unit - Testing the sender on the car — checking good send from E to F
- Why you should NEVER install a sending unit without testing it first
- Getting an accurate fuel gauge on a classic Ford
YOUR TURN Fuel gauge giving you fits on your classic? Tell us what you're driving and what finally fixed it in the comments below.
SUPPORT THE SHOW - Grab a crew shirt, hat, or mug from the store - Join us on Patreon at the $10/month level — monthly Zoom hangouts, Trivia Night with car-shirt giveaways, and tech Q&A. It helps pay Joseph and our editor and keeps the shop running. Be kind to each other, love on each other, and we'll see you next time on AutoRestoMod.
Parts for this build come from National Parts Depot: npdlink.com
T-shirts help pay Joseph, our teenage production assistant who's putting every dollar into his XJ Jeep. Grab one and you're funding a kid's first build.
Patreon at the $10 level gets you monthly Zoom meetings with Jeff plus Trivia Night, where the prize is a one-off t-shirt with YOUR car on it.
It's not a problem, it's a project.
—
▶ Autorestomod is proudly sponsored by National Parts Depot — [https://www.npdlink.com]
SUPPORT THE SHOW
▶ Patreon — $10/month gets you monthly Zoom meetings with me: [patreon.com/c/gasolinemedia]
▶ Merch — "Needs More Classic Cars" shirts, hats & mugs at Fourth Wall: [autorestomod-shop.fourthwall.com/]
Autorestomod Episode: 751
autorestomod-shop.fourthwall.com
Sponsors:
nationalpartsdepot.com
eatondetroitspring.com
Contact: Jford@autorestomod.com
Insta: @autorestomod
patreon.com/gasolinemedia.
#ClassicCars #Mustang #FordMustang #AutoRestoMod #NPD
Fuel gauge stuck on empty — or bouncing all over the place? On a classic Ford, the culprit is almost always the fuel sending unit. In this episode Jeff pulls the old sender out of the '72 Mach 1 "Lazarus," drops in the brand-new National Parts Depot fuel sending unit, and shows you how to test it BEFORE it ever goes back in the tank — so you only do this job once.
Swapping a fuel sending unit means draining and opening the fuel tank, so Jeff walks through the safety setup first, then the removal, the test, and the install. Whether you call it a fuel sending unit, a fuel sender, or a gas tank sending unit, this is how you get an accurate fuel gauge reading on your classic Mustang.
⚠️ FUEL SAFETY FIRST It's the gasoline FUMES, not the liquid, that ignite. Work with good ventilation and a fan, keep a fire extinguisher within reach, and clear any ignition sources. If you're not comfortable working around fuel, have a professional handle it.
WHAT WE COVER
- Safely draining the tank and clamping off the fuel line
- Knocking loose the locking ring and pulling the old sender
- What's new and better on NPD's latest fuel sending unit - Testing the sender on the car — checking good send from E to F
- Why you should NEVER install a sending unit without testing it first
- Getting an accurate fuel gauge on a classic Ford
YOUR TURN Fuel gauge giving you fits on your classic? Tell us what you're driving and what finally fixed it in the comments below.
SUPPORT THE SHOW - Grab a crew shirt, hat, or mug from the store - Join us on Patreon at the $10/month level — monthly Zoom hangouts, Trivia Night with car-shirt giveaways, and tech Q&A. It helps pay Joseph and our editor and keeps the shop running. Be kind to each other, love on each other, and we'll see you next time on AutoRestoMod.
Parts for this build come from National Parts Depot: npdlink.com
T-shirts help pay Joseph, our teenage production assistant who's putting every dollar into his XJ Jeep. Grab one and you're funding a kid's first build.
Patreon at the $10 level gets you monthly Zoom meetings with Jeff plus Trivia Night, where the prize is a one-off t-shirt with YOUR car on it.
It's not a problem, it's a project.
—
▶ Autorestomod is proudly sponsored by National Parts Depot — [https://www.npdlink.com]
SUPPORT THE SHOW
▶ Patreon — $10/month gets you monthly Zoom meetings with me: [patreon.com/c/gasolinemedia]
▶ Merch — "Needs More Classic Cars" shirts, hats & mugs at Fourth Wall: [autorestomod-shop.fourthwall.com/]
Autorestomod Episode: 751
autorestomod-shop.fourthwall.com
Sponsors:
nationalpartsdepot.com
eatondetroitspring.com
Contact: Jford@autorestomod.com
Insta: @autorestomod
patreon.com/gasolinemedia.
#ClassicCars #Mustang #FordMustang #AutoRestoMod #NPD
