Can a bad transmission really lower my gas mileage?
Absolutely. When your transmission isn’t shifting properly, your engine has to work harder than normal. That extra strain means more fuel is burned to keep your vehicle moving. If you’re suddenly visiting the gas station more often, your transmission might be the hidden culprit.
What transmission issues cause poor fuel efficiency?
Several common problems can mess with your MPG:
- Slipping gears – Your engine revs higher without effectively delivering power.
- Delayed shifting – Causes inefficient power delivery and poor timing.
- Low or old transmission fluid – Increases friction, overheating, and wear.
- Torque converter issues – This part connects your engine to the transmission and if it’s malfunctioning, your fuel economy takes a big hit.
How can I tell if my transmission is hurting my gas mileage?
Watch for these signs:
- Sudden drop in fuel efficiency
- Engine working harder or louder than usual
- Jerky or rough shifting
- Transmission fluid leaks (reddish puddles under your vehicle)
- Burning smell or dashboard warnings
If you’re noticing any of these, it’s time to get it checked before you lose more money at the pump—or worse, break down.
Will fixing my transmission improve fuel efficiency?
Yes, repairing or maintaining your transmission can absolutely restore lost fuel economy. A well-tuned transmission ensures your engine isn’t wasting power and helps your car run smoothly and efficiently.
At Luis Transmissions, we offer free diagnostics and can catch small problems before they turn into big (expensive) ones. A quick fix today could save you hundreds in fuel over the year.
Final Thoughts
If your car feels off and you’re spending more on gas lately, it could be more than just fuel prices—it could be your transmission. The team at Luis Transmissions in Dallas is here to help. We even offer financing options if repairs aren’t in your budget today.
📞 Call us at 214-650-4781 to schedule your check-up.
Let’s get you back on the road—and out of the gas station!