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 MANUALSCHEVROLET2001CAVALIER LS, 2.4 TREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 35 (ENGINE CONTROLS SELF-DIAGNOSTICS - 2.2L)DIAGNOSTIC TESTSDTC P0105: MAP/TP SENSOR PERFORMANCEDIAGNOSTIC AIDS
2001 Chevrolet Cavalier LS, 2.4 T
Diagnostic Aids
2001 Chevrolet Cavalier LS, 2.4 TSECTION Diagnostic Aids
WARNING: This page is about a different car, the 2002 Pontiac Sunfire, 2002 Pontiac Grand Am, 2002 Oldsmobile Alero, and 2002 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.
- If a DTC P0105 cannot be duplicated, information included in FREEZE FRAME/FAILURE RECORDS data can be useful. Use scan tool DTC information data in order to determine status of DTC.
- A DTC P0105 may set due to any condition that may cause an unreasonably high or low MAP value including incorrect cam timing, restricted exhaust, worn piston rings or low fuel pressure.
- A TP sensor that is stuck may attempt to auto zero every time engine runs. If this happens, TP percentage will be zero percent and TP voltage will be high.
- MAP sensor needs a dedicated vacuum source. Check MAP sensor and MAP sensor vacuum source for a vacuum leak.
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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.