Fuel parameters
The Toyota 4Runner has 22 fuel parameters.
● Confirmed◆ In testing○ Supported× Not supported
Engine exhaust flow rate EXH_RATESAE J1979Confirmed
- Request
01 9E - Service 01
PID 9E - Module
7E0 → 7E8 - Every
250 ms
Bits 0 to 15 of the reply, 16 bits.
- Formula
(val ÷ 5)- Range
- 0 to 13107 kg/h
- Unit
- kg/h
Confirmed for 2020 to 2023. Supported for 2026.
Engine fuel rate 4RUNNER_ENG_FUEL_RATE
- Request
22 F1 9D - Service 22
DID F19D - Module
700 → 708 - Every
1 s - Testing
Bits 0 to 15 of the reply, 16 bits.
- Formula
(val ÷ 50)- Range
- 0 to 1310.7 g/s
- Unit
- g/s
In testing for 2026. Not supported for 2011, 2016 to 2017, 2023, 2025.
Engine fuel rate (alternate) FUEL_RATE_ALTSAE J1979Confirmed
- Request
01 9D - Service 01
PID 9D - Module
7E0 → 7E8 - Every
250 ms
Bits 0 to 15 of the reply, 16 bits.
- Formula
(val ÷ 50)- Range
- 0 to 1310.7 g/s
- Unit
- g/s
Confirmed for 2020 to 2023. Supported for 2026.
Fuel cut 4RUNNER_FUEL_CUT
- Request
21 E6 - Service 21
PID E6 - Module
7E0 → 7E8 - Every
1 s - Testing
Bit 9 of the reply.
- Formula
val- Range
- 0 to 1
- Unit
- Off or on
In testing for 1988 to 2014, 2017 to 2024, 2026. Not supported for 2015 to 2016, 2025.
Fuel cut 4RUNNER_FUEL_CUT_7E0Confirmed
- Request
21 37 - Service 21
PID 37 - Module
7E0 → 7E8 - Every
3600 s - Testing for 1988 to 2014, 2017 to 2026
Example reply from a 2016 Toyota 4Runner.
Bit 121 of the reply.
0b0 = 0 → 0
- Formula
val- Range
- 0 to 1
- Unit
- Off or on
Confirmed for 2015 to 2016. In testing for 1988 to 2014, 2017 to 2024, 2026. Not supported for 2025.
Fuel cut time 4RUNNER_FUEL_CUT_TIMEConfirmed
- Request
21 52 - Service 21
PID 52 - Module
7E0 → 7E8 - Every
250 ms - Testing for 1988 to 2014, 2017 to 2026
Example reply from a 2016 Toyota 4Runner.
Bits 64 to 79 of the reply, 16 bits.
0x8000 = 32768 → (32768 × 537 ÷ 512) = 34,368
- Formula
(val × 537 ÷ 512)- Range
- 0 to 68734.9511
- Unit
- Number
Confirmed for 2015 to 2016. In testing for 1988 to 2014, 2017 to 2024, 2026. Not supported for 2025.
Fuel injection timing 4RUNNER_FUEL_INJ_TIM
- Request
21 F3 - Service 21
PID F3 - Module
7E0 → 7E8 - Every
1 s - Testing
Bits 0 to 7 of the reply, 8 bits.
- Formula
(val × 16 ÷ 125)- Range
- 0 to 32.64 ms
- Unit
- ms
In testing for 1988 to 2014, 2017 to 2024, 2026. Not supported for 2015 to 2016, 2025.
Fuel level 4RUNNER_FLI
Pelican can show this parameter as the fuel tank level.
- Request
22 1F 2F - Service 22
DID 1F2F - Module
700 → 708 - Every
30 s - Testing
Bits 0 to 7 of the reply, 8 bits.
- Formula
(val × 100 ÷ 255)- Range
- 0 to 100 %
- Unit
- %
In testing for 2026. Not supported for 2013, 2020, 2025.
Fuel level 4RUNNER_FUEL_LEVELConfirmed
Pelican can show this parameter as the fuel tank level.
- Request
22 10 22 - Service 22
DID 1022 - Module
7C0 → 7C8 - Every
30 s - Testing for 1988 to 2024, 2026
Example reply from a 2025 Toyota 4Runner.
Bits 0 to 15 of the reply, 16 bits.
0x0625 = 1573 → (1573 ÷ 100) = 15.73 L
- Formula
(val ÷ 100)- Range
- 0 to 655.35 L
- Unit
- L
Confirmed for 2025. In testing for 1988 to 2003, 2006 to 2010, 2012, 2014, 2018 to 2019, 2021 to 2022, 2024, 2026. Not supported for 2004 to 2005, 2011, 2013, 2015 to 2017, 2020, 2023.
Fuel level (volume) 4RUNNER_FLI_VOLConfirmed
Pelican can show this parameter as the fuel tank level.
- Request
21 29 - Service 21
PID 29 - Module
7C0 → 7C8 - Every
5 s - Testing for 1988 to 2010, 2014, 2025 to 2026
Example reply from a 2024 Toyota 4Runner.
Bits 0 to 7 of the reply, 8 bits.
0x00 = 0 → (0 × 500 ÷ 3785) = 0 gal
- Formula
(val × 500 ÷ 3785)- Range
- 0 to 21 gal
- Unit
- gal
Confirmed for 2011 to 2013, 2015 to 2024. In testing for 2007 to 2009. Not supported for 2004 to 2006, 2010, 2014, 2025 to 2026.
Fuel pump duty ratio 4RUNNER_FUEL_PUMP_DUTY_RATIOConfirmed
- Request
22 10 6A - Service 22
DID 106A - Module
700 → 708 - Every
1 s - Testing for 2026
Example reply from a 2025 Toyota 4Runner.
Bits 0 to 15 of the reply, 16 bits.
0x0000 = 0 → (0 × 0.0609756098) = 0 kPa
- Formula
(val × 0.0609756098)- Range
- 0 to 3996 kPa
- Unit
- kPa
Confirmed for 2025. In testing for 2026. Not supported for 2011, 2013, 2016 to 2017, 2020, 2023.
Fuel pump/speed status on 4RUNNER_FUEL_PMP_SPD_STAT_ONConfirmed
- Request
21 39 - Service 21
PID 39 - Module
7E0 → 7E8 - Every
250 ms - Testing for 1988 to 2014, 2017 to 2026
Example reply from a 2016 Toyota 4Runner.
Bit 14 of the reply.
0b0 = 0 → 0
- Formula
val- Range
- 0 to 1
- Unit
- Number
Confirmed for 2015 to 2016. In testing for 1988 to 2014, 2017 to 2024, 2026. Not supported for 2025.
Fuel system 1 status FUELSYS1SAE J1979Confirmed
- Request
01 03 - Service 01
PID 03 - Module
7E0 → 7E8 - Every
250 ms
Bits 0 to 7 of the reply, 8 bits.
- Unit
- Named states
| Raw value | State | Meaning |
|---|---|---|
0 | OFF | Engine is off |
1 | OL | Open loop - has not yet satisfied conditions to go closed loop |
2 | CL | Closed loop - using oxygen sensor(s) as feedback for fuel control |
4 | OL-Drive | Open loop due to driving conditions (e.g. power enrichment, deceleration enleanment) |
8 | OL-Fault | Open loop - due to detected system fault |
16 | CL-Fault | Closed loop, but fault with at least one oxygen sensor - may be using single oxygen sensor for fuel control |
32 | OL B2 | Open loop - has not yet satisfied conditions to go closed loop (Bank 2) |
64 | OL-Drive B2 | Open loop due to driving conditions (Bank 2) (e.g. power enrichment, deceleration enleanment, cylinder deactivation) |
128 | OL-Fault B2 | Open loop - due to detected system fault (Bank 2) |
Confirmed for 2015 to 2016, 2020 to 2023. Supported for 2005 to 2006, 2008, 2010 to 2014, 2017 to 2019, 2024 to 2026.
Fuel system 2 status FUELSYS2SAE J1979Confirmed
- Request
01 03 - Service 01
PID 03 - Module
7E0 → 7E8 - Every
250 ms
Bits 8 to 15 of the reply, 8 bits.
- Unit
- Named states
| Raw value | State | Meaning |
|---|---|---|
0 | OFF | Engine is off |
1 | OL | Open loop - has not yet satisfied conditions to go closed loop |
2 | CL | Closed loop - using oxygen sensor(s) as feedback for fuel control |
4 | OL-Drive | Open loop due to driving conditions (e.g. power enrichment, deceleration enleanment) |
8 | OL-Fault | Open loop - due to detected system fault |
16 | CL-Fault | Closed loop, but fault with at least one oxygen sensor - may be using single oxygen sensor for fuel control |
32 | OL B2 | Open loop - has not yet satisfied conditions to go closed loop (Bank 2) |
64 | OL-Drive B2 | Open loop due to driving conditions (Bank 2) (e.g. power enrichment, deceleration enleanment, cylinder deactivation) |
128 | OL-Fault B2 | Open loop - due to detected system fault (Bank 2) |
Confirmed for 2015 to 2016, 2020 to 2023. Supported for 2005 to 2006, 2008, 2010 to 2014, 2017 to 2019, 2024 to 2026.
Fuel tank level FLISAE J1979Confirmed
Pelican can show this parameter as the fuel tank level.
- Request
01 2F - Service 01
PID 2F - Module
7E0 → 7E8 - Every
1 s
Bits 0 to 7 of the reply, 8 bits.
- Formula
(val × 100 ÷ 255)- Range
- 0 to 100 %
- Unit
- %
Confirmed for 2020 to 2024. Supported for 2025 to 2026.
High fuel pressure, actual 4RUNNER_HFP_ACTUALConfirmed
- Request
22 1F 6D - Service 22
DID 1F6D - Module
700 → 708 - Every
1 s - Testing for 2026
Example reply from a 2025 Toyota 4Runner.
Bits 24 to 39 of the reply, 16 bits.
0x018D = 397 → (397 × 10) = 3,970 kPa
- Formula
(val × 10)- Range
- 0 to 655350 kPa
- Unit
- kPa
Confirmed for 2025. In testing for 2026. Not supported for 2011, 2013, 2016 to 2017, 2020, 2023.
High fuel pressure, target 4RUNNER_HFP_TARGETConfirmed
- Request
22 1F 6D - Service 22
DID 1F6D - Module
700 → 708 - Every
1 s - Testing for 2026
Example reply from a 2025 Toyota 4Runner.
Bits 8 to 23 of the reply, 16 bits.
0x0135 = 309 → (309 × 10) = 3,090 kPa
- Formula
(val × 10)- Range
- 0 to 655350 kPa
- Unit
- kPa
Confirmed for 2025. In testing for 2026. Not supported for 2011, 2013, 2016 to 2017, 2020, 2023.
Low fuel pressure 4RUNNER_LFPConfirmed
- Request
22 10 CD - Service 22
DID 10CD - Module
700 → 708 - Every
1 s - Testing for 2026
Example reply from a 2025 Toyota 4Runner.
Bits 0 to 15 of the reply, 16 bits.
0x8F4F = 36687 → (36687 ÷ 10 − 3276.8) = 391.9 kPa
- Formula
(val ÷ 10 − 3276.8)- Range
- 0 to 3276.7 kPa
- Unit
- kPa
Confirmed for 2025. In testing for 2026. Not supported for 2013, 2020.
Low fuel pressure 4RUNNER_LOW_FUEL_PRESSUREConfirmed
- Request
22 1F 6D - Service 22
DID 1F6D - Module
700 → 708 - Every
1 s - Testing for 2026
Example reply from a 2025 Toyota 4Runner.
Bits 64 to 79 of the reply, 16 bits.
0x0028 = 40 → (40 × 10) = 400 kPa
- Formula
(val × 10)- Range
- 0 to 655350 kPa
- Unit
- kPa
Confirmed for 2025. In testing for 2026. Not supported for 2011, 2013, 2016 to 2017, 2020, 2023.
Target air-fuel equivalence ratio 4RUNNER_LAMBDA_TARGETConfirmed
- Request
21 04 - Service 21
PID 04 - Module
7E0 → 7E8 - Every
1 s - Testing for 1988 to 2012, 2014, 2017 to 2019, 2021 to 2026
Example reply from a 2020 Toyota 4Runner.
Bits 0 to 15 of the reply, 16 bits.
0x7FF2 = 32754 → (32754 × 1.99 ÷ 65535) = 0.99459
- Formula
(val × 1.99 ÷ 65535)- Range
- 0 to 1.99
- Unit
- Number
Confirmed for 2013, 2015 to 2016, 2020. In testing for 1988 to 2012, 2014, 2017 to 2019, 2021 to 2024, 2026. Not supported for 2025.
Vehicle fuel rate 4RUNNER_VEH_FUEL_RATE
- Request
22 F1 9D - Service 22
DID F19D - Module
700 → 708 - Every
1 s - Testing
Bits 16 to 31 of the reply, 16 bits.
- Formula
(val ÷ 50)- Range
- 0 to 1310.7 g/s
- Unit
- g/s
In testing for 2026. Not supported for 2011, 2016 to 2017, 2023, 2025.
Vehicle fuel rate VFUEL_RATESAE J1979Confirmed
- Request
01 9D - Service 01
PID 9D - Module
7E0 → 7E8 - Every
250 ms
Bits 16 to 31 of the reply, 16 bits.
- Formula
(val ÷ 50)- Range
- 0 to 1310.7 g/s
- Unit
- g/s
Confirmed for 2020 to 2023. Supported for 2026.
