— SALE ON IGNITION COILS AND HIGH IGNITABILITY PLUGS —
Use your unique promo code to receive your discount. Don't have a code already? Click here.
NGK.com specializes in hard to find NGK products. We are not NGK Spark Plugs USA. To contact them, click here.
Determine the intake manifold pressure or vacuum.
ECM uses the signal from the MAP sensor to determine the engine load and ensure proper air/fuel ratio.
Intake manifold, throttle body or remote mounted under hood.