Premium Engine Knock Detonation Sensor KS For 1985-1989 Chevrolet and GMC V6 and V8

•Manufacturer: AIP Electronics•100% New Construction•High Quality OEM Replacement Part•Fit and Quality Guaranteed•Ready for Install Straight out of the box Symptoms of a bad knock sensor include a sluggish engine poor acceleration and poor fuel economy. Knock sensors rarely fail outright and more often get 'soft' over time and cause false signals to be sent to the ECU which thinks the engine is knocking when it's really not. Restore engine performance with this brand new OEM replacement quality knock sensor for your vehicle.** Emissions Note: For sale and use on Emissions Controlled Vehicles when used in accordance with the manufacturers application guide because it is a direct or consolidated replacement part.Fitment1986-1989 Chevrolet Astro 4.3L 262Cu. In. V6 GAS OHV1987-1989 Chevrolet Blazer 5.7L 350Cu. In. V8 GAS OHV1985-1986 Chevrolet C10 4.3L 262Cu. In. V6 GAS OHV Calif. Emissions1988-1989 Chevrolet C1500 5.7L 350Cu. In. V8 GAS OHV1985-1989 GMC C1500 4.3L 262Cu. In. V6 GAS OHV198