Having problems with your 1997 Chevrolet Monte Carlo ?
Emissions problems - 1997 Chevrolet Monte Carlo
Change the transmission modulator,.. first , check the vaccum hose from modulator, and observ for rest of oil... if it is... change the modulator immediatly and run the engine until the emission over...
Repair Help & Product Troubleshooting for 1997 Chevrolet Monte Carlo
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