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1989 Geo Spectrum 1.5L MIL Lamp on
Posted to GM Driveability on 2/9/2001

Power OK at solenoid. MIL is on intermittently at any temp with no apparent way to consistently cause it; ie, driving procedures. Will clear at engine start and occasionally while driving. Coil resistance is 46 ohms (within 1 ohm of other valves). It is suppos...

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car Vehicle Data

1989 Geo Spectrum

VIN J81RF2170K
Engine1.5 L / 4 cyl / GAS
Trans3-speed Automatic
DeliveryCARB / 2 Stage 2 bbl
SymptomsMIL Lamp On
OccursIntermittently
Misc.Fed Emission Cal

Trouble Codes

25Vac Swit Valve AIR induction control solenoid on firewall
Message Closed

car Vehicle Data

1989 Geo Spectrum

VIN J81RF2170K
Engine1.5 L / 4 cyl / GAS
Trans3-speed Automatic
DeliveryCARB / 2 Stage 2 bbl
SymptomsMIL Lamp On
OccursIntermittently
Misc.Fed Emission Cal

Trouble Codes

25Vac Swit Valve AIR induction control solenoid on firewall