Home ReviewsRefund
Home/Ford/Probe/Ford Probe I (1988-1992)/Repair manual/Specifications/Engine Controls - Specifications - 4-cyl
Contents Section: Specifications All sections

Engine Controls - Specifications - 4-cyl Ford Probe I

Specifications 6 illustrations ~269 words

INTRODUCTION

Use this article to quickly find specifications related to servicing and on-vehicle adjustments. This article may be used for quick reference when you are familiar with proper adjustment procedures and only need a specification.

BATTERY SPECIFICATIONS

Application & GroupAmp Hr. Rating
Escort, Mustang, Tempo & Topaz 58CN/A
Probe BX-56N/A
2.5L 4-Cyl. (Taurus Only)
Automatic Transmission BXT-65650
Optional BXT-65850
Manual Transmission BX-58CN/A

BATTERY SPECIFICATIONS

FLUID CAPACITIES

ApplicationQuantity
Crankcase (Includes Filter)
1.9L4.0 qts. (3.8L)
2.2L & 2.3L5.0 qts. (4.7L)
2.5L4.5 qts. (4.2L)
Cooling System (Includes Heater)
1.9L
With A/C
Auto. Trans.7.3 qts. (6.9L)
Man. Trans.6.8 qts. (6.4L)
Without A/C7.9 qts. (7.5L)
2.2L7.9 qts. (7.5L)
2.3L HSC (Incl. MA)7.3 qts. (6.9L)
2.3L OHC & 2.5L CFI8.3 qts. (7.9L)
Man. Transaxle (Type F, Dexron-II or Mercon ATF)
MTX II & III 4 & 5-Speed6.1 pts. (2.9L)
Probe Transaxle (Mercon ATF)
Non-Turbo7.1 pts. (3.4L)
Turbo7.7 pts. (3.7L)
Man. Transmission (Type F, Dexron-II or Mercon ATF)
M5R2 (Dexron-II)6.3 pts. (3.0L)
T5OD 5-Speed Overdrive5.6 pts. (2.6L)
Auto. Transaxle (Mercon ATF)
ATX8.3 qts. (7.9L)
AXOD12.8 qts. (12.1L)
G4A-EL8.3 qts. (7.9L)
Auto. Transmission (Dexron-II)
AOD12.3 qts. (11.6L)
A4LD9.5 qts. (9.0L)
C38.0 qts. (7.6L)
Differential (SAE 80W-90/API GL-5)
Mustang3.5 pts. (1.7L)
Tempo & Topaz AWD1.3 pts. (.6L)

FLUID CAPACITIES

SERVICE INTERVALS & SPECIFICATIONS

ComponentInterval (Miles)
Air Filter30,000
Cam Timing Belt60,000
Coolant30,000
Oil & Filter(1) 7500
PCV Filter30,000
Spark Plugs30,000
(1) Replace at 5000 mile intervals on turbo model.
(1)Replace at 5000 mile intervals on turbo model.

REPLACEMENT INTERVALS

DRIVE BELT ADJUSTMENT

ApplicationNew Belt - Lbs. (kg)Used Belt - Lbs. (kg)
Standard "V" Belts
1/4"50-80 (23-36)40-60 (18-27)
All Others120-160 (54-73)90-120 (41-54)
Ribbed "V" Belts
4-Rib
Air Pump Only90-130 (41-59)90-120 (41-54)
All Others110-150 (50-68)110-130 (50-59)
5-Rib130-170 (59-77)120-150 (54-68)
6-Rib
Fixed150-190 (68-85)140-160 (64-75)
With Tensioner85-140 (39-64)80-140 (36-64)
(1) Using standard belt tension gauge.
(1)Using standard belt tension gauge.

BELT ADJUSTMENT (1)

ENGINE COMPRESSION

ApplicationCompression Ratio
1.9L9.0:1
2.2L Non-Turbo8.5:1
2.2L Turbo7.8:1
2.3L HSC & HSC MA (1)9.0:1
2.3L OHC9.5:1
2.5L9.0:1
(1) MA engine is a High Output engine with Mass Air Flow Meter.
(1)MA engine is a High Output engine with Mass Air Flow Meter.

COMPRESSION SPECIFICATIONS

VALVE CLEARANCE

Note. All models use hydraulic valve lifters. No adjustments are required.

IGNITION COIL

ApplicationPrimary (Ohms)Secondary (Ohms)
Probe
Non-Turbo1.04-1.277100-9700
Turbo.72-.8810,300-13,900
Except Probe.3-1.0800-11,500

IGNITION COIL RESISTANCE

HIGH TENSION WIRE RESISTANCE

Application (1)Ohms
Probe5000 Per Foot
Except Probe700 Per Foot
(1) DIS systems are 30,000 ohms total per wire.
(1)DIS systems are 30,000 ohms total per wire.

HIGH TENSION WIRE RESISTANCE

SPARK PLUG SPECIFICATIONS

ApplicationMotorcraft No.
1.9L CFI & MPFI MA
Exc. Calibration 8-07E-R10(1) AGSF-34C
Calibration 8-07E-R10(1) AGSF-24C
2.2LAGSP-33C
2.3L
MPFI HSCAWSF-42C
MPFI HSC MAAWSF-42C
MPFI OHCAWSF-44C
2.5L CFI HSCAWSF-32C
(1) Spark plug has an extended tip with a full-thread tapered seat.
(1)Spark plug has an extended tip with a full-thread tapered seat.

SPARK PLUG TYPE

ApplicationGap - In. (mm)Torque - Ft. Lbs. (N.m)
1.9L.044 (1.1)8-15 (11-20)
2.2L.043 (1.1)11-17 (15-23)
2.3L
HSC & HSO.054 (1.4)5.5-10.5 (7.5-14)
OHC.044 (1.1)5.5-10.5 (7.5-14)
2.5L.044 (1.1)7-15 (9-20)

SPARK PLUG SPECIFICATIONS

1.9L Firing Order & Timing Marks. Scheme 1

Scheme 1: 1.9L Firing Order & Timing Marks
Scheme 1: 1.9L Firing Order & Timing Marks

2.2L FWD Firing Order & Timing Marks. Scheme 2

Scheme 2: 2.2L FWD Firing Order & Timing Marks
Scheme 2: 2.2L FWD Firing Order & Timing Marks

Scheme 3

Scheme 3: 2.3L FWD FIRING ORDER & TIMING MARKS
Scheme 3: 2.3L FWD FIRING ORDER & TIMING MARKS

2.3L RWD Firing Order & Timing Marks. Scheme 4

Scheme 4: 2.3L RWD Firing Order & Timing Marks
Scheme 4: 2.3L RWD Firing Order & Timing Marks

Scheme 5

Scheme 5: 2.3L RWD SPARK PLUG WIRE ROUTING
Scheme 5: 2.3L RWD SPARK PLUG WIRE ROUTING

2.5L CFI HSC Firing Order & Timing Marks. Scheme 6

Scheme 6: 2.5L CFI HSC Firing Order & Timing Marks
Scheme 6: 2.5L CFI HSC Firing Order & Timing Marks

IGNITION TIMING

Application &/or Calibration Code(1) Degrees BTDC @ RPM
1.9L TBI10 @ 760-840
1.9L PFI10 @ 900-1100
2.2L PFI
Non Turbo (1)6 @ 750
Turbo9 @ 750
2.3L OHC
8-05A-R10 & 8-06A-R1010 @ 770-830
All Others
Auto. Trans.10 @ 790-850
Man. Trans.10 @ 820-880
2.3L HSC PFI
Auto Trans.15 @ 690-750
Man. Trans.15 @ 820-880
2.3L HSC MA PFI (2)
9-25C-R10 & 9-26D-R10
Auto Trans.15 @ 680-760
Man. Trans.15 @ 810-890
All Others
Auto Trans.15 @ 690-750
Man. Trans.15 @ 820-880
2.5L TBI10 @ 675-725
(1) With automatic transmission in Drive. (2) MA engine is a High Output engine with Mass Airflow Meter.
(1)With automatic transmission in Drive.
(2)MA engine is a High Output engine with Mass Airflow Meter.

BASE IGNITION TIMING

ApplicationDegrees BTDC @ RPM
1.9L MA PFI (1)31-34 @ 950-1050
1.9L TBI17-22 @ 820-900
2.3L OHC PFI16-22 @ 850-900
2.3L HSC MA PFI (1)3-14 @ 830-880
2.3L HSC PFI17-19 @ 840-880
2.5L TBI22-25 @ 820-850
(1) MA engine is a High Output engine with Mass Airflow Meter.
(1)MA engine is a High Output engine with Mass Airflow Meter.

COMPUTED IGNITION TIMING

DISTRIBUTOR SPECIFICATIONS

Note. The 2.2L Probe non-turbo has a vacuum operated advance/retard control unit, and a centrifugal advance inside the distributor housing.

ComponentDegrees Advance
Centrifugal12.5 @ 2400 RPM
Centrifugal15.5 @ 3400 RPM
Centrifugal22 @ 4500 RPM
Vacuum Control Unit
Advance20 @ 10.8 in. Hg
Retard6 @ 7.9 in. Hg

IGNITION TIMING ADVANCE SPECIFICATIONS

FUEL PUMP SPECIFICATIONS

Note. For fuel pressure specifications, see FUEL PRESSURE SPECIFICATIONS article.

Note. Fuel pump performance is a measurement of fuel pressure and volume availability, not regulated fuel pressure.

ApplicationSpecification
Pressure
CFI (1.9L)(1)
CFI (2.5L)(1)
MPFI (Probe)(1)
MPFI (All Others)(1)
Volume
CFI1 Pt. (.5L) in 20 seconds
MPFI1.5 Pts. (.72L) in 30 seconds
(1) For fuel pressure specifications, see FUEL PRESSURE SPECIFICATIONS article.
(1)For fuel pressure specifications, see FUEL PRESSURE SPECIFICATIONS article.

FUEL PUMP PERFORMANCE

IDLE SPEED & MIXTURE

Note. No idle mixture adjustments are possible. If engine performance is unsatisfactory, see appropriate TESTS W/CODES article or TESTS W/O CODES article in this section.

ModelRPM
Except 2.2L(1)
2.2L700-750
(1) Refer to underhood decal for specification.
(1)Refer to underhood decal for specification.

IDLE SPEED SPECIFICATIONS

FAST IDLE SPEED

Note. Refer to underhood engine decal for engine fast idle RPM specification.

THROTTLE POSITION SENSOR/SWITCH

ApplicationClosed Throttle VoltageWide Open Throttle Voltage
4-Cylinder.9-1.14.0

TPS VOLTAGE SPECIFICATIONS

Red Wire Reference VoltageWhite Wire Closed Throttle VoltageWhite Wire Wide Open Throttle Voltage
4.50-4.590.37-0.543.58-4.23
4.60-4.690.38-0.553.66-4.32
4.70-4.790.39-0.563.74-4.41
4.80-4.890.40-0.573.82-4.51
4.90-4.990.40-0.583.90-4.60
5.00-5.090.41-0.603.97-4.70
5.10-5.190.42-0.614.05-4.79
5.20-5.290.43-0.624.13-4.88
5.30-5.390.44-0.634.21-4.98
5.40-5.490.44-0.644.29-5.07
5.500.44-0.664.29-5.17

TPS VOLTAGE SPECIFICATIONS

More articles — Engine Performance