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HOMESERVICE MANUALSFORD2021F-150 LIMITED, 3.5L ENG VIN 8, RWDREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEMENGINE CONTROLS - REFERENCE VALUES (DIESEL)1.5L TRANSIT CONNECTTYPICAL DIAGNOSTIC REFERENCE VALUES
2021 Ford F-150 Limited, 3.5L Eng VIN 8, RWD
Typical Diagnostic Reference Values
2021 Ford F-150 Limited, 3.5L Eng VIN 8, RWDSECTION Typical Diagnostic Reference Values
| Inputs | Component/PID Only | Measured/PID Values | Units Measured/PID | |||
|---|---|---|---|---|---|---|
| KOEO | Hot Idle | 48 KM/H (30 MPH) | 89 KM/H (55 MPH) | |||
| AAT | AAT Sensor | 8 (46.4) | 7 (44.6) | 3 (37.4) | 2 (35.6) | DEG C (DEGF) |
| AAT_V | AAT Sensor | 3.61 | 3.65 | 3.81 | 3.86 | VOLTS |
| AC_ REQ | PID | OFF | OFF | OFF | OFF | ON/OFF |
| APP | APP Sensor | 0 | 0 | 16 | 15 | % |
| APP1 | APP Sensor | 0.78 | 0.78 | 1.36 | 1.34 | VOLTS |
| APP1 (APP_D) | APP Sensor | 15 | 15 | 27 | 27 | % |
| APP2 | APP Sensor | 0.39 | 0.39 | 0.69 | 0.68 | VOLTS |
| APP2 (APP_E) | APP Sensor | 15 | 15 | 27 | 27 | % |
| APP_ MODE | PID | NO PEDAL | NO PEDAL | PART PEDAL | PART PEDAL | NO PEDAL/PART PEDAL |
| BARO | PID | 99 (14.36) | 99 (14.36) | 99 (14.36) | 99 (14.36) | kPa (PSI) |
| BOO1 | BPP Switch | FALSE | FALSE | FALSE | FALSE | TRUE/FALSE |
| BOO2 | BPP Switch | FALSE | FALSE | FALSE | FALSE | TRUE/FALSE |
| BRKOVRD_POSS | PID | 44 | 44 | 45 | 45 | NUMERIC VALUE |
| BRKOVR_ACTION | PID | 0 | 0 | 0 | 0 | NUMERIC VALUE |
| CACCT | CAC Coolant Temperature Sensor | 17 (62.6) | 17 (62.6) | 15 (59) | 6 (42.8) | DEG C (DEGF) |
| CACCT_V | CAC Coolant Temperature Sensor | 3.30 | 3.29 | 3.42 | 3.82 | VOLTS |
| CACT_V | CAC Coolant Temperature Sensor | 1.69 | 1.67 | 2.30 | 2.96 | VOLTS |
| CAC_T_11 | CACT Sensor | 45 (113) | 46 (114.8) | 31 (87.8) | 17 (62.6) | DEG C (DEGF) |
| CHT2_V | CHT2 Sensor | 0.83 | 0.83 | 0.62 | 3.26 | VOLTS |
| CLRDIST | PID | 1 (0.62) | 1 (0.62) | 1 (0.62) | 3 (1.86) | KM (MILES) |
| DECHOKE | PID | NO | NO | NO | NO | YES/NO |
| DEF_CON | Reductant Level Sensor | 33 | 33 | 33 | 33 | % |
| DEF_LVL | Reductant Level Sensor | 100 | 100 | 100 | 100 | % |
| DEF_T | Reductant Level Sensor | 14 (57.2) | 14 (57.2) | 14 (57.2) | 14 (57.2) | DEG C (DEGF) |
| DIST_BRKOVRD | PID | 81 (50.33) (E) | 81 (50.33) (E) | 81 (50.33) (E) | 82 (50.95) (E) | KM (MILES) |
| DPF_INP | DPFP11 Sensor | 0 | 1 (0.15) | 5.40 (0.78) | 10.60 (1.54) | kPa (PSI) |
| DPF_INP_V | DPFP11 Sensor | 0.45 | 0.55 | 0.74 | 1.03 | VOLTS |
| DPF_REGEN_PCT | PID | 8.24 | 8.24 | 8.24 | 8.24 | % |
| DPF_REGN_AVGD | PID | 346 (214.99) (C) | 346 (214.99) (C) | 346 (214.99) (C) | 346 (214.99) (C) | KM (MILES) |
| DPF_SOOT_INF | PID | 3.35 | 3.35 | 3.67 | 3.86 | Grams/Liters |
| DPF_SOOT_LOAD | PID | 0 | 0 | 0 | 0 | NUMERIC VALUE |
| DPF_V | DPFP11 Sensor | 0.45 | 0.55 | 0.74 | 1.02 | VOLTS |
| DTCCNT | PID | 0 | 0 | 0 | 0 | NUMERIC VALUE |
| ECT1 | ECT Sensor | 93 (199.4) | 93 (199.4) | 92 (197.6) | 92 (197.6) | DEG C (DEGF) |
| ECT1_V | ECT Sensor | 0.81 | 0.81 | 0.82 | 0.82 | VOLTS |
| EGRCOT_V | EGRT12 Sensor | 3.04 | 2.88 | 2.86 | 3.24 | VOLTS |
| EGRT_C | EGRT12 Sensor | 80 (176) | 84 (183.2) | 84 (183.2) | 72 (161.6) | DEG °C (°F) |
| EGRVP | EGR Valve | 0.72 | 1.39 | 1.45 | 1.77 | VOLTS |
| EGR_A_ACT | EGR Valve | 1 | 21 | 20 | 31 | % |
| EGT11 | EGT11 Sensor | 205 (401) | 205 (401) | 255 (491) | 360 (680) | DEG °C (°F) |
| EGT11_V | EGT11 Sensor | 1.30 | 1.30 | 1.40 | 1.58 | VOLTS |
| EGT12 | EGT12 Sensor | 240 (464) | 250 (482) | 230 (446) | 275 (527) | DEG °C (°F) |
| EGT12_V | EGT12 Sensor | 1.37 | 1.39 | 1.35 | 1.44 | VOLTS |
| EGT13 | EGT13 Sensor | 220 (428) | 235 (455) | 230 (446) | 235 (455) | DEG °C (°F) |
| EGT13_V | EGT13 Sensor | 1.33 | 1.35 | 1.35 | 1.35 | VOLTS |
| EOP_PRESS | EOP Sensor | 101 (14.65) | 286 (41.48) | 515 (74.69) | 432 (62.66) | kPa (psi) |
| EOT | EOT Sensor | 93 (199.4) | 94 (201.2) | 93 (199.4) | 94 (201.2) | DEG C (DEGF) |
| FLI | Fuel Level Sensor | 83 (A) | 83 (A) | 83 (A) | 83 (A) | % |
| FLP | Fuel Pressure And Temperature Sensor | 128 (18.56) | 551 (79.92) | 545 (79.05) | 549 (79.63) | kPa (PSI) |
| FPM | PID | 40 | 40 | 40 | 40 | % |
| FRP_A | FRP Sensor | 18.67 (2707.86) | 26.59 (3856.55) | 106.64 (15466.82) | 119.84 (17381.32) | MPa (PSI) |
| FRT | FRT Sensor | 25 (77) | 25 (77) | 25 (77) | 25 (77) | DEG C (DEGF) |
| FRT_A | FRT Sensor | 25 (77) | 25 (77) | 25 (77) | 25 (77) | DEG C (DEGF) |
| FRT_A_RAW | FRPT Sensor | 25 (77) | 25 (77) | 25 (77) | 25 (77) | DEG C (DEGF) |
| FRT_V | FRT Sensor | 1.88 | 1.92 | 1.87 | 1.92 | VOLTS |
| IAT11 | IAT Sensor | 15 (59) | 12 (53.6) | 10 (50) | 8 (46.4) | DEG C (DEGF) |
| IAT12 | IAT2 Sensor | 42 (107.6) | 38 (100.4) | 25 (77) | 16 (60.8) | VOLTS/DEG C (DEG F) |
| IAT1_V | IAT Sensor | 2.91 | 3.05 | 3.14 | 3.21 | VOLTS |
| IAT | IAT Sensor | 15 (59) | 12 (53.6) | 10 (50) | 8 (46.4) | VOLTS/DEG C (DEG F) |
| LOAD | PID | 0.00 (B) | 19 | 92 | 95 | % |
| MAF | MAF Sensor | 1.66 | 5.97 | 36.22 | 50.69 | g/s |
| MAF_HZ | MAF Sensor | 948 | 2681 | 5970 | 6856 | kHz |
| MAP | MAP Sensor | 99 (14.36) | 101 (14.65) | 191 (27.70) | 243 (35.24) | kPa (PSI) |
| MAP_V | MAP Sensor | 1.22 | 1.23 | 2.48 | 3.16 | VOLTS |
| MIL_DIS | PID | 0 | 0 | 0 | 0 | KM (MILES) |
| MP_LRN | PID | TRUE | TRUE | TRUE | TRUE | TRUE/FALSE |
| NOx11 | PID | 1996 | 155 | 783 | 988 | NUMERIC VALUE |
| NOx12 | PID | 1996 | 0 | 1996 | 0 | NUMERIC VALUE |
| O2S11_PCT | PID | 22 | 14 | 8 | 10 | % |
| O2S12_PCT | PID | 21 | 14 | 21 | 7 | % |
| O2S21_PCT | PID | 32.77 | 32.77 | 32.77 | 32.77 | % |
| OSS_SRC | OSS Sensor | 0 | 0 | 1580 | 2878 | RPM |
| PM11 | PID | 0 | 0 | 0 | 0 | % |
| PM11_ACTIVE | PID | NO | YES | NO | NO | YES/NO |
| PM11_REGEN | PID | NO | NO | YES | YES | YES/NO |
| REDUCT_LITERS | PID | 15.30 | 15.28 | 15.52 | 15.52 | Liters |
| REDUCT_TNK_LV | PID 6.7L Reductant Heater And Sender Assembly | 100 | 100 | 100 | 100 | % |
| REDUCT_TNK_T | Reductant Temperature Sensor | 12 (53.6) | 12 (53.6) | 12 (53.6) | 12 (53.6) | DEG C (DEGF) |
| RPM | CKP Sensor | 0 | 778 | 2282 | 1782 | RPM |
| SCR_LEVEL_LOW | Reductant Quality Module | NO | NO | NO | NO | YES/NO |
| SYNC | PID | NO | YES | YES | YES | YES/NO |
| TCBP | TCBP Sensor | 99.7 (14.46) | 101.3 (14.69) | 105.6 (15.32) | 160.4 (23.26) | kPa (PSI) |
| TCBP_V | TCBP Sensor | 1.22 | 1.24 | 1.29 | 2.01 | VOLTS |
| TP1_V | ETBTPS | 0.65 | 0.64 | 0.64 | 0.64 | VOLTS |
| VGT_A_POS | Turbocharger | 0 | 94.90 | 76.47 | 91.37 | % |
| VGT_POS_V | Turbocharger | 1 | 3.71 | 3.19 | 3.61 | VOLTS |
| VSS | PID | 0 | 0 | 48 km/h (30 MPH) | 89 km/h (55 MPH) | km/h/MPH |
| Outputs | Component/PID Only | Measured/PID Values | Units Measured/PID | |||
|---|---|---|---|---|---|---|
| KOEO | Hot Idle | 48 KM/H (30 MPH) | 89 KM/H (55 MPH) | |||
| AEIS_ACTION | PID | 0 | 0 | 0 | 0 | NUMERIC VALUE |
| AEIS_POSS | PID | 0 | 0 | 0 | 0 | NUMERIC VALUE |
| BOOSTP_EVAL | PID | NO | NO | NO | YES | YES/NO |
| DIST_AEIS | PID | 44 (27.34) | 44 (27.34) | 44 (27.34) | 44 (27.34) | KM (MILES) |
| EGRCBV | EGR Cooler Bypass Valve | 0 | 0 | 0 | 0 | % |
| EGRTP_CMD | PID | 100 | 100 | 100 | 100 | % |
| EGRVPDES | PID | 0 | 12 | 14 | 25 | % |
| EGR_A_CMD | PID | 0 | 12 | 17 | 27 | % |
| FAN_DSD | PID | 7 | 7 | 7 | 7 | % |
| FP | Fuel Pump Control Module | 70 | 47 | 48 | 48 | %/ON/OFF |
| FRP_DSD | PID | 25.30 (3669.46) | 26.26 (3808.69) | 109.40 (15867.13) | 119.64 (17352.31) | MPa (PSI) |
| F_VCV | Fuel Injection Pump | 0 | 0 | 0 | 0 | % |
| GP_LMP | PID | OFF | OFF | OFF | OFF | ON/OFF |
| MAP_DMD | MAP Sensor | 99.75 (14.47) | 100.75 (14.61) | 195.25 (28.32) | 247.25 (35.86) | kPa (PSI) |
| MIL | PID | OFF | OFF | OFF | OFF | ON/OFF |
| PATSENABL | PID | ENABLED | ENABLED | ENABLED | ENABLED | ENABLED/DISABLED |
| PCVHC | PCV Heater | 0 | 0 | 0 | 0 | % |
| REDUCT__FRZEN | PID | FALSE | FALSE | FALSE | FALSE | TRUE/FALSE |
| REDUCT_RATE | PID | 0 | 1.4 | 1.4 | 1.4 | NUMERIC VALUE |
| RPMDSD | PID | 780 | 780 | 800 | 800 | RPM |
| SCR_AMMONIA | PID | 3 | 3 | 3 | 3 | grams/mg |
| VGTDC | PID | 0 | 95 | 77 | 92 | % |
| Other | Component/PID Only | Measured/PID Values | Units Measured/PID | |||
|---|---|---|---|---|---|---|
| KOEO | Hot Idle | 48 KM/H (30 MPH) | 89 KM/H (55 MPH) | |||
| VPWR | PID | VBAT | VBAT | VBAT | VBAT | VOLTS |
| VREF | PID | 5 | 5 | 5 | 5 | VOLTS |
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.