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 MANUALSCHEVROLET1988CAVALIER RS, 2D COUPE, AUTOMATICREPAIR AND DIAGNOSISENGINE PERFORMANCESPECIFICATIONSPFI DESIGN SPECIFICATIONSSPECIFICATIONS
1988 Chevrolet Cavalier RS, 2D Coupe, Automatic
PFI Design Specifications: Specifications
1988 Chevrolet Cavalier RS, 2D Coupe, AutomaticSECTION Specifications
PORT FUEL INJECTION SPECIFICATIONS
| Application | Specifications | ||
|---|---|---|---|
| 2.0L Turbo (VIN M) | |||
| Throttle Body Part No. 10042029 | |||
| Min. Air Rate (RPM) | 550-650 | ||
| ..... | Minimum air rate is reset by ECM when | ||
| ..... | when vehicle is driven at about 35 MPH. | ||
| TPS Voltage | Less than 1.25 volt with throttle | ||
| ..... | closed at idle or with ignition on. | ||
| 2.3L "Quad 4" (VIN D) | |||
| Throttle Body Part No. 17087259, 17087260 | |||
| Min. Air Rate (RPM) | No RPM setting. IAC acceptable | ||
| ..... | value is 5-45 "counts" on "SCAN"too. | ||
| TPS Voltage | 0.49-0.59 | ||
| 2.8L (VIN S, W & 9) | |||
| Throttle Body Part No. 10031441, 17085023, 17085024, 17085025 | |||
| Min. Air Rate (RPM) | M/T @ 600-700 | ||
| TPS Voltage | 0.45-0.65 | ||
| Throttle Body Part No. 17088116, 17088117, 17088118, 17088119 | |||
| Min. Air Rate (RPM) | A/T @ 500-600 | ||
| ..... | Auto. Trans. in Drive. | ||
| TPS Voltage | 0.45-0.65 | ||
| 3.0L (VIN L) | |||
| Throttle Body Part No. 17086041 | |||
| Min. Air Rate (RPM) | 450-550 | ||
| ..... | Auto. Trans. in Drive. | ||
| TPS Voltage | 0.50-0.59 | ||
| 3.8L (VIN 3) | |||
| Throttle Body Part No. 25524565 | |||
| Min. Air Rate (RPM) | 450-550 | ||
| ..... | Auto. Trans. in Drive. | ||
| TPS Voltage | 0.36-0.44 | ||
| ..... | Maximum voltage value of 0.44 volt. | ||
| 3.8L "3800" (VIN C) | |||
| Throttle Body Part No. 25530233 | |||
| Min. Air Rate (RPM) | No RPM setting. Minimum | ||
| ..... | air rate will be reset by ECM when | ||
| ..... | ignition is turned on, then off. | ||
| TPS Voltage | 0.38-0.42 | ||
| 3.8L Turbo (VIN 7) | |||
| Throttle Body Part No. 25525359 | |||
| Min. Air Rate (RPM) | 450-550 | ||
| ..... | Auto. Trans. in Drive. | ||
| TPS Voltage | 0.36-0.44 | ||
| ..... | Maximum voltage value of 0.44 volt. | ||
| 5.0L (VIN F) | |||
| Throttle Body Part No. 17086051 | |||
| Min. Air Rate (RPM) | 400 | ||
| ..... | Auto. Trans. in Neutral. | ||
| TPS Voltage | 0.465-0.615 | ||
| 5.7L (VIN 8) | |||
| Throttle Body Part No. 17086051 | |||
| Min. Air Rate (RPM) | 450 | ||
| ..... | Auto. Trans. in Neutral. | ||
| TPS Voltage | 0.465-0.615 | ||
RENDER: 1.0x
NO RELATED
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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.