Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSFORD1999MUSTANG GT, 2D CONVERTIBLE, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1904 (ENGINE CONTROLS - REFERENCE VALUES (EXCEPT DIESEL & HYBRID))2.0L 4V FOCUSTYPICAL DIAGNOSTIC REFERENCE VALUES
1999 Ford Mustang GT, 2D Convertible, Standard
Typical Diagnostic Reference Values
1999 Ford Mustang GT, 2D Convertible, StandardSECTION Typical Diagnostic Reference Values
WARNING: This page does not describe the selected car, but rather 32 other vehicles, including the 2008 Mercury Sable, 2008 Mercury Mountaineer, 2008 Mercury Milan, 2008 Mercury Mariner, and 2008 Mercury Grand Marquis. However, it is still accessible from the selected car via links, so may be relevant.
| Sensors/Inputs | PCM Pin/PID only | Measured/PID Values | Units Measured/PID | |||
|---|---|---|---|---|---|---|
| KOEO | Hot Idle | 48 KM/H (30 MPH) | 89 KM/H (55 MPH) | |||
| BOO1 | B13 | OFF | ON (E) | OFF | OFF | ON/OFF |
| APP1 | B28 | 0.77/15.29 | 0.77/15.29 | 1.38/25.49 | 1.45/28.24 | DCV/% |
| APP2 | B29 | 0.38/7.45 | 0.38/7.45 | 0.69/13.73 | 0.73/14.51 | DCV/% |
| ACP_PRESS | B31 | 1.56/66.55 | 1.69/74.53 | 1.45/59.30 | 1.39/55.69 | DCV/PSI |
| FPM | B32 | 0 | 100 | 100 | 100 | % |
| MAF | B40 | 0 | 0.6 | 1.83 | 1.87 | DCV |
| BOO2 | B46 | OFF | ON (E) | OFF | OFF | ON/OFF |
| IAT | B47 | 1.78/120.2 (K) | 1.99/111.2 (K) | 2.53/93.2 (K) | 2.66/87.8 (K) | DCV/DEG F |
| FTP | B65 | 2.6/0 | 2.6/0 | 2.6/0 | 2.6/0 | DCV/PSI |
| O2S11 | E11 | (L) | switching (C) | switching (C) | switching (C) | DCV |
| CHT | E15 | 3.2/224.6 | 3.56/204.8 | 0.67/186.8 | 0.67/186.8 | DCV/DEG F |
| IMRC1M (PZEV) | E25 | 0.1 | 0.1 | 4.98 | 4.98 | DCV |
| MAP | E40 | 4.02/14.35 (W) | 1.15/4.06(W) | 2.42/8.70 (W) | 3.15/11.31 (W) | DCV/PSI |
| TP1 | E44 | 4.10 | 4.33 | 3.90 | 4.06 | DCV |
| TP2 | E45 | 1.19 | 0.72 | 1.60 | 1.27 | DCV |
| HTRCM11 | E52 | 1.58 | 1.58 | 1.65 | 1.65 | AMPS |
| O2S13 (PZEV) | T7 | 0.1 | (D) | (D) | (D) | DCV |
| O2S12 | T16 | (L) | (D) | (D) | (D) | DCV |
| HTRCM12 | T18 | 676 | 676 | 634 | 634 | mA |
| TFT (A/T) | T19 | 118 (K) | 117 (K) | 147 (K) | 144 (K) | DEG F |
| TFTV (A/T) | T19 | 1.9 (K) | 1.9 (K) | 1.3 (K) | 1.4 (K) | DCV |
| PSP | T29 | OFF | OFF | OFF | OFF | ON/OFF |
| TCC (A/T) | T30 | 0 | 0 | 0 | 99.61 | % |
| TSS_SRC (A/T) | T37 | 0 | 731 | 1513 | 1844 | RPM |
| APP | PID | 0 | 0 | 19 | 21 | % |
| APP_ MAXDIFF |
PID | 0 | 0 | 0 | -0.06 | DEG |
| BARO | PID | 14.5/29.53 | 14.5/29.53 | 14.5/29.53 | 14.5/29.53 | PSI/IN HG |
| B+ | PID | VBAT | VBAT | VBAT | VBAT | DCV |
| CPP/PNP | PID | NEUTRAL | NEUTRAL | DRIVE | DRIVE | MODE |
| DECHOKE | PID | YES | NO | NO | NO | YES/NO |
| ETC_ACT | PID | 7.73 | 1.48 | 7.79 | 8.25 | DEG |
| ETC_DSD | PID | 7.60 | 1.45 | 7.71 | 8.12 | DEG |
| ETC_TRIM | PID | 0 | 0 | 0.01 | 0.02 | DEG |
| GENMON | PID | 0 | 54.9 | 18.96 | 22.1 | % |
| LOAD | PID | 0 (L) | 27 | 55.29 | 74.9 | % |
| MISFIRE | PID | NO | NO | NO | NO | YES/NO |
| O2BANK1 | PID | VARIES | VARIES | VARIES | VARIES | RICH/LEAN |
| RPM | PID | 0 | 702 | 2527 | 1887 | RPM |
| TP_MAXDIFF | PID | -4 | -8 | -8 | -8 | DEG |
| TR (A/T) | PID | PARK | PARK | OVERDRIVE | OVERDRIVE | MODE |
| VSS | PID | 0 | 0 | 30 | 55 | MPH |
| Actuators/Outputs | PCM Pin/PID only | Measured/PID Values | Units Measured/PID | |||
|---|---|---|---|---|---|---|
| KOEO | Hot Idle | 48 KM/H (30 MPH) | 89 KM/H (55 MPH) | |||
| FP | B19 | 0/OFF | 100/ON | 100/ON | 100/ON | %/ON-OFF |
| EVAPCV | B20 | 0/OFF | 0/OFF | 0/OFF | 0/OFF | %/ON-OFF |
| EVMV | B55 | 0/OFF | 0/OFF | 500-900 (F)/VARYING |
500-900 (F)/VARYING |
mA/OFF- VARYING |
| IMRC (PZEV) | E22 | ON | ON | OFF | OFF | ON/OFF |
| HTR11 | E52 | OFF (O) | ON | ON | ON | ON/OFF |
| SSA (SS1) (A/T) | T11 | OFF | ON | OFF | OFF | ON/OFF |
| HTR12 | T18 | OFF (O) | ON | ON | ON | ON/OFF |
| SSB (SS2) (A/T) | T23 | 0/OFF | 0/OFF | 0/OFF | 100/ON | %/ON-OFF |
| HTR13 (PZEV) | T25 | OFF (O) | ON | ON | ON | ON/OFF |
| EGRPCT | PID | 0 | 0.78 | 43.14 | 49.02 | % |
| EGR_STEP | PID | 0 | 1 | 23 | 26 | 0-52 |
| EVAP020C | PID | NO | NO | NO | NO | YES/NO |
| EVAPSOAK | PID | YES | YES | YES | YES | YES/NO |
| FUELSYS1 | PID | OPEN LOOP | CLOSED LOOP | CLOSED LOOP | CLOSED LOOP | OPEN/ CLOSED LOOP |
| GENCMD | PID | 0 | 0 (Q) | 0 (Q) | 0 (Q) | % |
| HFC | PID | OFF | ON (B) | OFF | OFF | ON/OFF |
| LFC | PID | OFF | ON (B) | OFF | OFF | ON/OFF |
| LONGFT1 | PID | (L) | (-)20-(+)20 | (-)20-(+)20 | (-)20-(+)20 | % |
| LOOP_ CONTRL |
PID | OPEN | OPEN | CLOSED | CLOSED | OPEN/ CLOSED |
| PATSENABL | PID | ENABLED | ENABLED | ENABLED | ENABLED | ENABLED/ DISABLED |
| SHRTFT1 | PID | (L) | (-)10-(+)10 | (-)10-(+)10 | (-)10-(+)10 | % |
| SPARKADV | PID | 10 | 9.75 | 39.75 | 23.75 | DEG |
| Other | PCM Pin/PID only | Measured/PID Values | Units Measured/PID | |||
|---|---|---|---|---|---|---|
| KOEO | Hot Idle | 48 KM/H (30 MPH) | 89 KM/H (55 MPH) | |||
| VREF | B52, E63, T70 | 5 | 5 | 5 | 5 | DCV |
| VPWR | B67/68 | VBAT | VBAT | VBAT | VBAT | DCV |
RENDER: 1.0x
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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.