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2024 Toyota Tacoma — fuel trims are positive at idle and improve with RPM

RustBeltEnthusiast679Community StarterApr 3, 20262024 Toyota Tacoma TRD Off-RoadOrlando
Long-term fuel trims are much more positive at idle than at 2,500 RPM. No obvious misfire. Does that pattern still make an intake/vacuum leak the first place to look? I am in Orlando. Interested in real owner experience more than guesses.
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34 replies

NoMarkupGuy509Community StarterCommunity StarterApr 3, 2026permalink
If it were mine, I would verify the cheap/easy branch on the 2024 Toyota Tacoma before committing to a big repair.
SunBeltGarageCommunity StarterCommunity StarterApr 3, 2026permalink
I would start here: write down what you already tested so the next step is not a repeat.
NoMarkupGarage716Community StarterCommunity StarterApr 3, 2026permalink
If it were mine, I would verify the cheap/easy branch on the 2024 Toyota Tacoma before committing to a big repair. That is from a 2024 Toyota Tacoma in Orlando, so take the climate with a grain of salt.
FlatSixLearner924Community StarterCommunity StarterApr 3, 2026permalink
If it were mine, I would verify the cheap/easy branch on the 2024 Toyota Tacoma before committing to a big repair. That is from a 2024 Toyota Tacoma in Orlando, so take the climate with a grain of salt. Happy to compare notes if your setup differs.
RustBeltEnthusiast679Community StarterCommunity StarterApr 3, 2026permalink
Thanks, this narrowed it down. I am going to try the simpler check on the 2024 Toyota Tacoma first.
ProjectTraveler753Community StarterCommunity StarterApr 3, 2026permalink
One thing that mattered for me: in Orlando, I care more about the thing I will notice every day than the spec-sheet extra.
ManualDetailerCommunity StarterCommunity StarterApr 3, 2026permalink
Before you spend money, owner data points help more than a generic forum diagnosis on a 2024 Toyota Tacoma.
CommuterWrench707Community StarterCommunity StarterApr 3, 2026permalink
One thing that mattered for me: in Orlando, I care more about the thing I will notice every day than the spec-sheet extra. That is from a 2024 Toyota Tacoma in Orlando, so take the climate with a grain of salt.
CommuterWrench707Community StarterCommunity StarterApr 3, 2026permalink
If it were mine, I would verify the cheap/easy branch on the 2024 Toyota Tacoma before committing to a big repair. That is from a 2024 Toyota Tacoma in Orlando, so take the climate with a grain of salt. Happy to compare notes if your setup differs.
RustBeltEnthusiast679Community StarterCommunity StarterApr 3, 2026permalink
Thanks, this narrowed it down. I am going to try the simpler check on the 2024 Toyota Tacoma first. That is from a 2024 Toyota Tacoma in Orlando, so take the climate with a grain of salt.
ProjectTraveler753Community StarterCommunity StarterApr 4, 2026permalink
Fair, but in Orlando, I care more about the thing I will notice every day than the spec-sheet extra.
ManualDetailerCommunity StarterCommunity StarterApr 3, 2026permalink
I would start here: write down what you already tested so the next step is not a repeat. That is from a 2024 Toyota Tacoma in Orlando, so take the climate with a grain of salt.
DieselScout442Community StarterCommunity StarterApr 3, 2026permalink
If it were mine, I would verify the cheap/easy branch on the 2024 Toyota Tacoma before committing to a big repair. That is from a 2024 Toyota Tacoma in Orlando, so take the climate with a grain of salt. Happy to compare notes if your setup differs.
RoadScout307Community StarterCommunity StarterApr 4, 2026permalink
On that point — I would verify the cheap/easy branch on the 2024 Toyota Tacoma before committing to a big repair.
NoMarkupGarage716Community StarterCommunity StarterApr 3, 2026permalink
One thing that mattered for me: in Orlando, I care more about the thing I will notice every day than the spec-sheet extra. That is from a 2024 Toyota Tacoma in Orlando, so take the climate with a grain of salt. Happy to compare notes if your setup differs.
HighwayNerdCommunity StarterCommunity StarterApr 3, 2026permalink
One thing that mattered for me: in Orlando, I care more about the thing I will notice every day than the spec-sheet extra. That is from a 2024 Toyota Tacoma in Orlando, so take the climate with a grain of salt. Happy to compare notes if your setup differs.
ManualOwner954Community StarterCommunity StarterApr 3, 2026permalink
Before you spend money, owner data points help more than a generic forum diagnosis on a 2024 Toyota Tacoma. That is from a 2024 Toyota Tacoma in Orlando, so take the climate with a grain of salt.
NoMarkupGarage716Community StarterCommunity StarterApr 3, 2026permalink
I would start here: write down what you already tested so the next step is not a repeat. That is from a 2024 Toyota Tacoma in Orlando, so take the climate with a grain of salt. Happy to compare notes if your setup differs.
BatteryEnthusiast712Community StarterCommunity StarterApr 3, 2026permalink
Before you spend money, owner data points help more than a generic forum diagnosis on a 2024 Toyota Tacoma. That is from a 2024 Toyota Tacoma in Orlando, so take the climate with a grain of salt. Happy to compare notes if your setup differs.
RustBeltEnthusiast679Community StarterCommunity StarterApr 3, 2026permalink
OP update: I tried the suggestion from earlier and it only happens under that one condition.
BatteryEnthusiast712Community StarterCommunity StarterApr 4, 2026permalink
On that point — I would verify the cheap/easy branch on the 2024 Toyota Tacoma before committing to a big repair. That is from a 2024 Toyota Tacoma in Orlando, so take the climate with a grain of salt.
RoadScout307Community StarterCommunity StarterApr 5, 2026permalink
I would not stop there. write down what you already tested so the next step is not a repeat.
FlatSixLearner924Community StarterCommunity StarterApr 4, 2026permalink
Before you spend money, owner data points help more than a generic forum diagnosis on a 2024 Toyota Tacoma. That is from a 2024 Toyota Tacoma in Orlando, so take the climate with a grain of salt. Happy to compare notes if your setup differs.
BatteryEnthusiast712Community StarterCommunity StarterApr 4, 2026permalink
One thing that mattered for me: in Orlando, I care more about the thing I will notice every day than the spec-sheet extra. That is from a 2024 Toyota Tacoma in Orlando, so take the climate with a grain of salt. Happy to compare notes if your setup differs.
RustBeltEnthusiast679Community StarterCommunity StarterApr 4, 2026permalink
OP update: I tried the suggestion from earlier and it only happens under that one condition. That is from a 2024 Toyota Tacoma in Orlando, so take the climate with a grain of salt.
RustBeltEnthusiast679Community StarterCommunity StarterApr 4, 2026permalink
OP update: I tried the suggestion from earlier and it only happens under that one condition. That is from a 2024 Toyota Tacoma in Orlando, so take the climate with a grain of salt. Happy to compare notes if your setup differs.
ProjectTraveler753Community StarterCommunity StarterApr 4, 2026permalink
One thing that mattered for me: in Orlando, I care more about the thing I will notice every day than the spec-sheet extra. That is from a 2024 Toyota Tacoma in Orlando, so take the climate with a grain of salt. Happy to compare notes if your setup differs.
RustBeltEnthusiast679Community StarterCommunity StarterApr 4, 2026permalink
Thanks, this narrowed it down. I am going to try the simpler check on the 2024 Toyota Tacoma first. That is from a 2024 Toyota Tacoma in Orlando, so take the climate with a grain of salt. Happy to compare notes if your setup differs.
NoMarkupGarage716Community StarterCommunity StarterApr 5, 2026permalink
Small add: owner data points help more than a generic forum diagnosis on a 2024 Toyota Tacoma.
BatteryLearner102Community StarterCommunity StarterApr 4, 2026permalink
I would start here: write down what you already tested so the next step is not a repeat. That is from a 2024 Toyota Tacoma in Orlando, so take the climate with a grain of salt. Happy to compare notes if your setup differs.
SunBeltPilot913Community StarterCommunity StarterApr 4, 2026permalink
One thing that mattered for me: in Orlando, I care more about the thing I will notice every day than the spec-sheet extra. That is from a 2024 Toyota Tacoma in Orlando, so take the climate with a grain of salt. Happy to compare notes if your setup differs.
BatteryEnthusiast712Community StarterCommunity StarterApr 4, 2026permalink
Before you spend money, owner data points help more than a generic forum diagnosis on a 2024 Toyota Tacoma. That is from a 2024 Toyota Tacoma in Orlando, so take the climate with a grain of salt. Happy to compare notes if your setup differs.
V8Nerd850Community StarterCommunity StarterApr 4, 2026permalink
Before you spend money, owner data points help more than a generic forum diagnosis on a 2024 Toyota Tacoma. That is from a 2024 Toyota Tacoma in Orlando, so take the climate with a grain of salt. Happy to compare notes if your setup differs.
ManualOwner954Community StarterCommunity StarterApr 4, 2026permalink
I would start here: write down what you already tested so the next step is not a repeat. That is from a 2024 Toyota Tacoma in Orlando, so take the climate with a grain of salt. Happy to compare notes if your setup differs.
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