A crank sensor, also called a crankshaft position sensor, is a vital part of the engine of the 2000 Pontiac Sunfire. The sensor calculates the revolutions per minute (RPM) of the engine and the firing order of the engine cylinders, allowing the engine to run smoothly and efficiently. Problems with the crank sensor can cause issues with your engine and the way your Sunfire runs.
Pontiac revised the styling of the 2000 Sunfire. A new front fascia gives it a fresh appearance. Integral fog lamps on GT coupe and convertible give them a sportier appearance. Rounded turn signals integrated into the front fascia are used on the SE models. Side ribs and new rocker panel moldings on the SE models add some surface excitement for a more aggressive look. A new rear fascia with rounded backup lamps similar to those on the recently redesigned Grand Am reinforces the Pontiac brand image. A rear decklid spoiler is standard on all Sunfire coupes.
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With the engine misfires and performance problems that result from a bad crank sensor, the fuel economy of your Sunfire will suffer. According to the U.S. Department of Energy website, a 2000 Sunfire in optimal condition is estimated to get an average of 23 miles per gallon with 19 miles in the city and 28 on the freeway. While a Sunfire on the actual road likely does not get those numbers, the fuel economy will decrease dramatically as the crank sensor fails.
MATT - I had a roommate in my single days who was a Pontiac enthusiast and his ride-of-choice was a '69 Pontiac GTO with a four-on-the-floor transmission. I thought of that car when I was driving this week's test car, the 2000 Pontiac Sunfire. It came with a five-speed transmission and has some of that hot-rod appeal of that oldGTO.