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Home >> Chevrolet >> 1989 >> Cavalier Z24, 2D Convertible, Automatic >> Repair and Diagnosis >> Engine Performance >> Specifications >> Fuel Injection System Design (Throttle Body) Specifications - PFI >> Specifications

Fuel Injection System Design (Throttle Body) Specifications - PFI: Specifications

2.0L TURBO (VIN M)

Application Specification
Throttle Body Part No. 10042029
Min. Air Rate (RPM) No RPM setting - Minimum air rate (IAC valve position) is reset by ECM when vehicle is driven at about 35 MPH
TPS Voltage Not adjustable - Less than 1.25 volt with throttle closed at idle or with ignition on
2.3L "QUAD 4" (VIN D)

Application Specifications
Throttle Body Part No. 17089087, 10042029
Min. Air Rate (RPM) (1) No RPM setting - IAC valve acceptable value is 5-45 "Counts" on SCAN tool at stable idle condition with cooling fan and accessories off
TPS Voltage 0.49 - 0.59
2.8L (VIN S & W)

Application Specification
Throttle Body Part No. 17085024, 17085025, 17089082, 17089083, 17089084, 17089085, 17089087, 17089088
Min. Air Rate (RPM) No RPM setting - IAC valve acceptable value is 10-15 "Counts" on SCAN tool at stable idle condition with cooling fan and accessories off
TPS Voltage
VIN S 0.45-0.65
VIN W Not Adjustable - ECM has auto-zero ability. Any voltage value below 0.85 volt is used as closed throttle (idle) condition
3.1L (VIN T)

Application Specification
Throttle Body Part No. 17089084
Min. Air Rate (RPM) No RPM setting - IAC valve acceptable value is 10-15 "Counts" on SCAN tool at stable idle condition with cooling fan and accessories off
TPS Voltage Not Adjustable - ECM has auto-zero ability - Any voltage value below 0.85 volt is used as closed throttle (idle) condition
3.1L TURBO (VIN V)

Application Specification
Throttle Body Part No. 17089084
Min. Air Rate (RPM) No information available.
TPS Voltage No information available.
3.3L "3300" (VIN N)

Application Specification
Throttle Body Part No. 25535135
Min. Air Rate (RPM) No RPM setting - IAC valve position is reset by ECM by grounding ALDL connector for 5 seconds
TPS Voltage 0.33 - 0.46
3.8L "3800" (VIN C)

Application Specification
Throttle Body Part No. 25530233
Min. Air Rate (RPM) No RPM setting - IAC valve position will be reset by ECM when ignition is turned on, then off
TPS Voltage 0.33 - 0.46
3.8L TURBO (VIN 7)

Application Specification
Throttle Body Part No. 25525359
Min. Air Rate (RPM) 450-550 Auto. Trans. In Drive
TPS Voltage 0.33 - 0.46
5.0L (VIN F)

Application Specification
Throttle Body Part No. 17089023
Min. Air Rate (RPM) 400-450 Auto. Trans. In Drive
TPS Voltage 0.46 - 0.62
5.7L (VIN 8)

Application Specification
Throttle Body Part No. 17089023
Min. Air Rate (RPM) 400-450 Auto. Trans. In Drive
TPS Voltage 0.46 - 0.62