Fuel mileage after timing belt change - Toyota Tundra Forums : Tundra Solutions Forum
 
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post #1 of 5 (permalink) Old 02-12-2016, 06:50 AM Thread Starter
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Fuel mileage after timing belt change

Has anyone noticed a decrease in fuel mileage after changing their timing belt?
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post #2 of 5 (permalink) Old 02-17-2016, 03:11 PM
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Re: Fuel mileage after timing belt change

No. There is no physical thing that would cause that unless the ECM is re-learning after having battery disconnected (I didn't even disconnect mine), but that wouldn't cause anything drastic anyway.
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post #3 of 5 (permalink) Old 05-24-2016, 03:54 PM
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Re: Fuel mileage after timing belt change

I recorded a slight increase in fuel economy after changing the timing belt.

355,164 miles on the odometer [come see me when you get that on your ford]



2004 Tundra Double Cab Limited Edition 4.7 liter V8, four speed automatic, four wheel drive, testing platform for fuel economy, Ultragauge, Long Tubes with x-pipe and true duals,stock intake, Mobile 1 in the engine, NAPA oil filter, NAPA [COLOR=Black]in the differentials. 3:91 gears in the front and rear [SIZE=2]differentials, Cooper Discover ATP tires


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post #4 of 5 (permalink) Old 10-25-2017, 05:37 PM
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Re: Fuel mileage after timing belt change

Just had mine done, haven't noticed anything. I don't see how it would affect the fuel economy, timing belt either works or it doesn't.
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post #5 of 5 (permalink) Old 12-17-2017, 08:27 PM
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Re: Fuel mileage after timing belt change

I just had the timing belt changed in my 2001 Tundra two days ago. I actually found this thread prior to doing so when I was researching the topic of Tundra timing belt changes. Today I hand a chance to check the mileage. With a combination of city and highway driving, but no rush hour congestion to deal with, I averaged 19 mpg. This was actually a fair bit better than the last few times I checked after driving in similar conditions. Not the most inspiring figure I'll admit. Then again, while my motorcycle gets considerably better gas mileage (i.e. WAYYY better), it doesn't do me much good when I want to transport my one-man pontoon boat to the river, along with the rest of my fishing & camping gear (or any number of other uses).

I've only owned this truck for six years or so, but in that time the Tundra has proven to be perfect for what I need it to do I guess I can live with the poor gas mileage
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